ram.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A3 16535 11693
encoding utf-8
Sheet 3 16
Title "Wugo PCII System Board"
Date ""
Rev "1.0"
Comp ""
Comment1 "Schematics Copyright (c) 2020 David J. Fiddes <D.J@fiddes.net>"
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC43
U 1 1 5F5B3FD0
P 1900 1700
F 0 "IC43" H 2150 1750 50  0000 L CNN
F 1 "TMS4256" H 2150 1650 50  0000 L CNN
F 2 "" H 1900 2400 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 1900 2400 50  0001 C CNN
	1    1900 1700
	1    0    0    -1  
$EndComp
Text Label 1350 1000 0    50   ~ 0
MA0
Text Label 1350 1100 0    50   ~ 0
MA1
Text Label 1350 1200 0    50   ~ 0
MA2
Text Label 1350 1300 0    50   ~ 0
MA3
Text Label 1350 1400 0    50   ~ 0
MA4
Text Label 1350 1500 0    50   ~ 0
MA5
Text Label 1350 1600 0    50   ~ 0
MA6
Text Label 1350 1700 0    50   ~ 0
MA7
Text Label 1350 1800 0    50   ~ 0
MA8
Wire Wire Line
	1350 1000 1600 1000
Wire Wire Line
	1350 1100 1600 1100
Wire Wire Line
	1350 1200 1600 1200
Wire Wire Line
	1350 1300 1600 1300
Wire Wire Line
	1350 1400 1600 1400
Wire Wire Line
	1350 1500 1600 1500
Wire Wire Line
	1350 1600 1600 1600
Wire Wire Line
	1350 1700 1600 1700
Wire Wire Line
	1350 1800 1600 1800
Wire Wire Line
	850  2000 1600 2000
Wire Wire Line
	1100 2100 1600 2100
Wire Wire Line
	1300 2200 1600 2200
Wire Wire Line
	1300 2400 1600 2400
Wire Wire Line
	2200 2400 2250 2400
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC44
U 1 1 5F5B987F
P 3250 1700
F 0 "IC44" H 3450 1750 50  0000 L CNN
F 1 "TMS4256" H 3450 1650 50  0000 L CNN
F 2 "" H 3250 2400 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 3250 2400 50  0001 C CNN
	1    3250 1700
	1    0    0    -1  
$EndComp
Text Label 2700 1000 0    50   ~ 0
MA0
Text Label 2700 1100 0    50   ~ 0
MA1
Text Label 2700 1200 0    50   ~ 0
MA2
Text Label 2700 1300 0    50   ~ 0
MA3
Text Label 2700 1400 0    50   ~ 0
MA4
Text Label 2700 1500 0    50   ~ 0
MA5
Text Label 2700 1600 0    50   ~ 0
MA6
Text Label 2700 1700 0    50   ~ 0
MA7
Text Label 2700 1800 0    50   ~ 0
MA8
Text Label 2700 2000 0    50   ~ 0
~RAS0~
Text Label 2700 2100 0    50   ~ 0
~CAS0~
Text Label 2700 2200 0    50   ~ 0
~MWE~
Wire Wire Line
	2700 1000 2950 1000
Wire Wire Line
	2700 1100 2950 1100
Wire Wire Line
	2700 1200 2950 1200
Wire Wire Line
	2700 1300 2950 1300
Wire Wire Line
	2700 1400 2950 1400
Wire Wire Line
	2700 1500 2950 1500
Wire Wire Line
	2700 1600 2950 1600
Wire Wire Line
	2700 1700 2950 1700
Wire Wire Line
	2700 1800 2950 1800
Wire Wire Line
	2700 2000 2950 2000
Wire Wire Line
	2700 2100 2950 2100
Wire Wire Line
	2700 2200 2950 2200
Wire Wire Line
	2700 2400 2950 2400
Wire Wire Line
	3550 2400 3750 2400
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC45
U 1 1 5F5C2EFA
P 4400 1700
F 0 "IC45" H 4600 1750 50  0000 L CNN
F 1 "TMS4256" H 4600 1650 50  0000 L CNN
F 2 "" H 4400 2400 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 4400 2400 50  0001 C CNN
	1    4400 1700
	1    0    0    -1  
$EndComp
Text Label 3850 1000 0    50   ~ 0
MA0
Text Label 3850 1100 0    50   ~ 0
MA1
Text Label 3850 1200 0    50   ~ 0
MA2
Text Label 3850 1300 0    50   ~ 0
MA3
Text Label 3850 1400 0    50   ~ 0
MA4
Text Label 3850 1500 0    50   ~ 0
MA5
Text Label 3850 1600 0    50   ~ 0
MA6
Text Label 3850 1700 0    50   ~ 0
MA7
Text Label 3850 1800 0    50   ~ 0
MA8
Text Label 3850 2000 0    50   ~ 0
~RAS0~
Text Label 3850 2100 0    50   ~ 0
~CAS0~
Text Label 3850 2200 0    50   ~ 0
~MWE~
Text Label 3850 2400 0    50   ~ 0
MD1
Text Label 4900 2400 2    50   ~ 0
MD1
Wire Wire Line
	3850 1000 4100 1000
Wire Wire Line
	3850 1100 4100 1100
Wire Wire Line
	3850 1200 4100 1200
Wire Wire Line
	3850 1300 4100 1300
Wire Wire Line
	3850 1400 4100 1400
Wire Wire Line
	3850 1500 4100 1500
Wire Wire Line
	3850 1600 4100 1600
Wire Wire Line
	3850 1700 4100 1700
Wire Wire Line
	3850 1800 4100 1800
Wire Wire Line
	3850 2000 4100 2000
Wire Wire Line
	3850 2100 4100 2100
Wire Wire Line
	3850 2200 4100 2200
Wire Wire Line
	3850 2400 4100 2400
Wire Wire Line
	4700 2400 4900 2400
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC46
U 1 1 5F5C4B74
P 5550 1700
F 0 "IC46" H 5750 1750 50  0000 L CNN
F 1 "TMS4256" H 5750 1650 50  0000 L CNN
F 2 "" H 5550 2400 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 5550 2400 50  0001 C CNN
	1    5550 1700
	1    0    0    -1  
$EndComp
Text Label 5000 1000 0    50   ~ 0
MA0
Text Label 5000 1100 0    50   ~ 0
MA1
Text Label 5000 1200 0    50   ~ 0
MA2
Text Label 5000 1300 0    50   ~ 0
MA3
Text Label 5000 1400 0    50   ~ 0
MA4
Text Label 5000 1500 0    50   ~ 0
MA5
Text Label 5000 1600 0    50   ~ 0
MA6
Text Label 5000 1700 0    50   ~ 0
MA7
Text Label 5000 1800 0    50   ~ 0
MA8
Text Label 5000 2000 0    50   ~ 0
~RAS0~
Text Label 5000 2100 0    50   ~ 0
~CAS0~
Text Label 5000 2200 0    50   ~ 0
~MWE~
Text Label 5000 2400 0    50   ~ 0
MD2
Text Label 6050 2400 2    50   ~ 0
MD2
Wire Wire Line
	5000 1000 5250 1000
Wire Wire Line
	5000 1100 5250 1100
Wire Wire Line
	5000 1200 5250 1200
Wire Wire Line
	5000 1300 5250 1300
Wire Wire Line
	5000 1400 5250 1400
Wire Wire Line
	5000 1500 5250 1500
Wire Wire Line
	5000 1600 5250 1600
Wire Wire Line
	5000 1700 5250 1700
Wire Wire Line
	5000 1800 5250 1800
Wire Wire Line
	5000 2000 5250 2000
Wire Wire Line
	5000 2100 5250 2100
Wire Wire Line
	5000 2200 5250 2200
Wire Wire Line
	5000 2400 5250 2400
Wire Wire Line
	5850 2400 6050 2400
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC47
U 1 1 5F5C6F4C
P 6700 1700
F 0 "IC47" H 6900 1750 50  0000 L CNN
F 1 "TMS4256" H 6900 1650 50  0000 L CNN
F 2 "" H 6700 2400 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 6700 2400 50  0001 C CNN
	1    6700 1700
	1    0    0    -1  
$EndComp
Text Label 6150 1000 0    50   ~ 0
MA0
Text Label 6150 1100 0    50   ~ 0
MA1
Text Label 6150 1200 0    50   ~ 0
MA2
Text Label 6150 1300 0    50   ~ 0
MA3
Text Label 6150 1400 0    50   ~ 0
MA4
Text Label 6150 1500 0    50   ~ 0
MA5
Text Label 6150 1600 0    50   ~ 0
MA6
Text Label 6150 1700 0    50   ~ 0
MA7
Text Label 6150 1800 0    50   ~ 0
MA8
Text Label 6150 2000 0    50   ~ 0
~RAS0~
Text Label 6150 2100 0    50   ~ 0
~CAS0~
Text Label 6150 2200 0    50   ~ 0
~MWE~
Text Label 6150 2400 0    50   ~ 0
MD3
Text Label 7200 2400 2    50   ~ 0
MD3
Wire Wire Line
	6150 1000 6400 1000
Wire Wire Line
	6150 1100 6400 1100
Wire Wire Line
	6150 1200 6400 1200
Wire Wire Line
	6150 1300 6400 1300
Wire Wire Line
	6150 1400 6400 1400
Wire Wire Line
	6150 1500 6400 1500
Wire Wire Line
	6150 1600 6400 1600
Wire Wire Line
	6150 1700 6400 1700
Wire Wire Line
	6150 1800 6400 1800
Wire Wire Line
	6150 2000 6400 2000
Wire Wire Line
	6150 2100 6400 2100
Wire Wire Line
	6150 2200 6400 2200
Wire Wire Line
	6150 2400 6400 2400
Wire Wire Line
	7000 2400 7200 2400
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC48
U 1 1 5F5CA195
P 7850 1700
F 0 "IC48" H 8050 1750 50  0000 L CNN
F 1 "TMS4256" H 8050 1650 50  0000 L CNN
F 2 "" H 7850 2400 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 7850 2400 50  0001 C CNN
	1    7850 1700
	1    0    0    -1  
$EndComp
Text Label 7300 1000 0    50   ~ 0
MA0
Text Label 7300 1100 0    50   ~ 0
MA1
Text Label 7300 1200 0    50   ~ 0
MA2
Text Label 7300 1300 0    50   ~ 0
MA3
Text Label 7300 1400 0    50   ~ 0
MA4
Text Label 7300 1500 0    50   ~ 0
MA5
Text Label 7300 1600 0    50   ~ 0
MA6
Text Label 7300 1700 0    50   ~ 0
MA7
Text Label 7300 1800 0    50   ~ 0
MA8
Text Label 7300 2000 0    50   ~ 0
~RAS0~
Text Label 7300 2100 0    50   ~ 0
~CAS0~
Text Label 7300 2200 0    50   ~ 0
~MWE~
Text Label 7300 2400 0    50   ~ 0
MD4
Text Label 8350 2400 2    50   ~ 0
MD4
Wire Wire Line
	7300 1000 7550 1000
Wire Wire Line
	7300 1100 7550 1100
Wire Wire Line
	7300 1200 7550 1200
Wire Wire Line
	7300 1300 7550 1300
Wire Wire Line
	7300 1400 7550 1400
Wire Wire Line
	7300 1500 7550 1500
Wire Wire Line
	7300 1600 7550 1600
Wire Wire Line
	7300 1700 7550 1700
Wire Wire Line
	7300 1800 7550 1800
Wire Wire Line
	7300 2000 7550 2000
Wire Wire Line
	7300 2100 7550 2100
Wire Wire Line
	7300 2200 7550 2200
Wire Wire Line
	7300 2400 7550 2400
Wire Wire Line
	8150 2400 8350 2400
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC49
U 1 1 5F5CDD93
P 9000 1700
F 0 "IC49" H 9200 1750 50  0000 L CNN
F 1 "TMS4256" H 9200 1650 50  0000 L CNN
F 2 "" H 9000 2400 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 9000 2400 50  0001 C CNN
	1    9000 1700
	1    0    0    -1  
$EndComp
Text Label 8450 1000 0    50   ~ 0
MA0
Text Label 8450 1100 0    50   ~ 0
MA1
Text Label 8450 1200 0    50   ~ 0
MA2
Text Label 8450 1300 0    50   ~ 0
MA3
Text Label 8450 1400 0    50   ~ 0
MA4
Text Label 8450 1500 0    50   ~ 0
MA5
Text Label 8450 1600 0    50   ~ 0
MA6
Text Label 8450 1700 0    50   ~ 0
MA7
Text Label 8450 1800 0    50   ~ 0
MA8
Text Label 8450 2000 0    50   ~ 0
~RAS0~
Text Label 8450 2100 0    50   ~ 0
~CAS0~
Text Label 8450 2200 0    50   ~ 0
~MWE~
Text Label 8450 2400 0    50   ~ 0
MD5
Text Label 9500 2400 2    50   ~ 0
MD5
Wire Wire Line
	8450 1000 8700 1000
Wire Wire Line
	8450 1100 8700 1100
Wire Wire Line
	8450 1200 8700 1200
Wire Wire Line
	8450 1300 8700 1300
Wire Wire Line
	8450 1400 8700 1400
Wire Wire Line
	8450 1500 8700 1500
Wire Wire Line
	8450 1600 8700 1600
Wire Wire Line
	8450 1700 8700 1700
Wire Wire Line
	8450 1800 8700 1800
Wire Wire Line
	8450 2000 8700 2000
Wire Wire Line
	8450 2100 8700 2100
Wire Wire Line
	8450 2200 8700 2200
Wire Wire Line
	8450 2400 8700 2400
Wire Wire Line
	9300 2400 9500 2400
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC50
U 1 1 5F602A6D
P 10150 1700
F 0 "IC50" H 10350 1750 50  0000 L CNN
F 1 "TMS4256" H 10350 1650 50  0000 L CNN
F 2 "" H 10150 2400 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 10150 2400 50  0001 C CNN
	1    10150 1700
	1    0    0    -1  
$EndComp
Text Label 9600 1000 0    50   ~ 0
MA0
Text Label 9600 1100 0    50   ~ 0
MA1
Text Label 9600 1200 0    50   ~ 0
MA2
Text Label 9600 1300 0    50   ~ 0
MA3
Text Label 9600 1400 0    50   ~ 0
MA4
Text Label 9600 1500 0    50   ~ 0
MA5
Text Label 9600 1600 0    50   ~ 0
MA6
Text Label 9600 1700 0    50   ~ 0
MA7
Text Label 9600 1800 0    50   ~ 0
MA8
Text Label 9600 2000 0    50   ~ 0
~RAS0~
Text Label 9600 2100 0    50   ~ 0
~CAS0~
Text Label 9600 2200 0    50   ~ 0
~MWE~
Text Label 9600 2400 0    50   ~ 0
MD6
Text Label 10650 2400 2    50   ~ 0
MD6
Wire Wire Line
	9600 1000 9850 1000
Wire Wire Line
	9600 1100 9850 1100
Wire Wire Line
	9600 1200 9850 1200
Wire Wire Line
	9600 1300 9850 1300
Wire Wire Line
	9600 1400 9850 1400
Wire Wire Line
	9600 1500 9850 1500
Wire Wire Line
	9600 1600 9850 1600
Wire Wire Line
	9600 1700 9850 1700
Wire Wire Line
	9600 1800 9850 1800
Wire Wire Line
	9600 2000 9850 2000
Wire Wire Line
	9600 2100 9850 2100
Wire Wire Line
	9600 2200 9850 2200
Wire Wire Line
	9600 2400 9850 2400
Wire Wire Line
	10450 2400 10650 2400
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC51
U 1 1 5F6091A7
P 11300 1700
F 0 "IC51" H 11500 1750 50  0000 L CNN
F 1 "TMS4256" H 11500 1650 50  0000 L CNN
F 2 "" H 11300 2400 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 11300 2400 50  0001 C CNN
	1    11300 1700
	1    0    0    -1  
$EndComp
Text Label 10750 1000 0    50   ~ 0
MA0
Text Label 10750 1100 0    50   ~ 0
MA1
Text Label 10750 1200 0    50   ~ 0
MA2
Text Label 10750 1300 0    50   ~ 0
MA3
Text Label 10750 1400 0    50   ~ 0
MA4
Text Label 10750 1500 0    50   ~ 0
MA5
Text Label 10750 1600 0    50   ~ 0
MA6
Text Label 10750 1700 0    50   ~ 0
MA7
Text Label 10750 1800 0    50   ~ 0
MA8
Text Label 10750 2000 0    50   ~ 0
~RAS0~
Text Label 10750 2100 0    50   ~ 0
~CAS0~
Text Label 10750 2200 0    50   ~ 0
~MWE~
Text Label 10750 2400 0    50   ~ 0
MD7
Text Label 11800 2400 2    50   ~ 0
MD7
Wire Wire Line
	10750 1000 11000 1000
Wire Wire Line
	10750 1100 11000 1100
Wire Wire Line
	10750 1200 11000 1200
Wire Wire Line
	10750 1300 11000 1300
Wire Wire Line
	10750 1400 11000 1400
Wire Wire Line
	10750 1500 11000 1500
Wire Wire Line
	10750 1600 11000 1600
Wire Wire Line
	10750 1700 11000 1700
Wire Wire Line
	10750 1800 11000 1800
Wire Wire Line
	10750 2000 11000 2000
Wire Wire Line
	10750 2100 11000 2100
Wire Wire Line
	10750 2200 11000 2200
Wire Wire Line
	10750 2400 11000 2400
Wire Wire Line
	11600 2400 11800 2400
Text Label 3750 2400 2    50   ~ 0
MD0
Text Label 2700 2400 0    50   ~ 0
MD0
Wire Wire Line
	11300 800  10150 800 
Connection ~ 3250 800 
Wire Wire Line
	3250 800  1900 800 
Connection ~ 4400 800 
Wire Wire Line
	4400 800  3250 800 
Connection ~ 5550 800 
Wire Wire Line
	5550 800  4400 800 
Connection ~ 6700 800 
Wire Wire Line
	6700 800  5550 800 
Connection ~ 7850 800 
Wire Wire Line
	7850 800  6700 800 
Connection ~ 9000 800 
Wire Wire Line
	9000 800  7850 800 
Connection ~ 10150 800 
Wire Wire Line
	10150 800  9000 800 
Wire Wire Line
	1900 2600 3250 2600
Connection ~ 3250 2600
Wire Wire Line
	3250 2600 4400 2600
Connection ~ 4400 2600
Wire Wire Line
	4400 2600 5550 2600
Connection ~ 5550 2600
Wire Wire Line
	5550 2600 6700 2600
Connection ~ 6700 2600
Wire Wire Line
	6700 2600 7850 2600
Connection ~ 7850 2600
Wire Wire Line
	7850 2600 9000 2600
Connection ~ 9000 2600
Wire Wire Line
	9000 2600 10150 2600
Connection ~ 10150 2600
Wire Wire Line
	10150 2600 11300 2600
$Comp
L power:GND #PWR097
U 1 1 5F658B16
P 11800 2600
F 0 "#PWR097" H 11800 2350 50  0001 C CNN
F 1 "GND" H 11805 2427 50  0000 C CNN
F 2 "" H 11800 2600 50  0001 C CNN
F 3 "" H 11800 2600 50  0001 C CNN
	1    11800 2600
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR096
U 1 1 5F65911E
P 11800 800
F 0 "#PWR096" H 11800 650 50  0001 C CNN
F 1 "+5V" H 11815 973 50  0000 C CNN
F 2 "" H 11800 800 50  0001 C CNN
F 3 "" H 11800 800 50  0001 C CNN
	1    11800 800 
	1    0    0    -1  
$EndComp
Wire Wire Line
	11800 800  11300 800 
Connection ~ 11300 800 
Wire Wire Line
	11800 2600 11300 2600
Connection ~ 11300 2600
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC57
U 1 1 5F6B5360
P 1900 3950
F 0 "IC57" H 2150 4000 50  0000 L CNN
F 1 "TMS4256" H 2150 3900 50  0000 L CNN
F 2 "" H 1900 4650 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 1900 4650 50  0001 C CNN
	1    1900 3950
	1    0    0    -1  
$EndComp
Text Label 1350 3250 0    50   ~ 0
MA0
Text Label 1350 3350 0    50   ~ 0
MA1
Text Label 1350 3450 0    50   ~ 0
MA2
Text Label 1350 3550 0    50   ~ 0
MA3
Text Label 1350 3650 0    50   ~ 0
MA4
Text Label 1350 3750 0    50   ~ 0
MA5
Text Label 1350 3850 0    50   ~ 0
MA6
Text Label 1350 3950 0    50   ~ 0
MA7
Text Label 1350 4050 0    50   ~ 0
MA8
Text Label 1350 4450 0    50   ~ 0
~MWE~
Text Label 1300 4650 0    50   ~ 0
MDP_IN
Text Label 2550 4650 2    50   ~ 0
MDP_OUT
Wire Wire Line
	1350 3250 1600 3250
Wire Wire Line
	1350 3350 1600 3350
Wire Wire Line
	1350 3450 1600 3450
Wire Wire Line
	1350 3550 1600 3550
Wire Wire Line
	1350 3650 1600 3650
Wire Wire Line
	1350 3750 1600 3750
Wire Wire Line
	1350 3850 1600 3850
Wire Wire Line
	1350 3950 1600 3950
Wire Wire Line
	1350 4050 1600 4050
Wire Wire Line
	1100 4250 1600 4250
Wire Wire Line
	1350 4350 1600 4350
Wire Wire Line
	1350 4450 1600 4450
Wire Wire Line
	1300 4650 1600 4650
Wire Wire Line
	2200 4650 2550 4650
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC58
U 1 1 5F6B5382
P 3250 3950
F 0 "IC58" H 3450 4000 50  0000 L CNN
F 1 "TMS4256" H 3450 3900 50  0000 L CNN
F 2 "" H 3250 4650 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 3250 4650 50  0001 C CNN
	1    3250 3950
	1    0    0    -1  
$EndComp
Text Label 2700 3250 0    50   ~ 0
MA0
Text Label 2700 3350 0    50   ~ 0
MA1
Text Label 2700 3450 0    50   ~ 0
MA2
Text Label 2700 3550 0    50   ~ 0
MA3
Text Label 2700 3650 0    50   ~ 0
MA4
Text Label 2700 3750 0    50   ~ 0
MA5
Text Label 2700 3850 0    50   ~ 0
MA6
Text Label 2700 3950 0    50   ~ 0
MA7
Text Label 2700 4050 0    50   ~ 0
MA8
Text Label 2700 4250 0    50   ~ 0
~RAS1~
Text Label 2700 4350 0    50   ~ 0
~CAS1~
Text Label 2700 4450 0    50   ~ 0
~MWE~
Wire Wire Line
	2700 3250 2950 3250
Wire Wire Line
	2700 3350 2950 3350
Wire Wire Line
	2700 3450 2950 3450
Wire Wire Line
	2700 3550 2950 3550
Wire Wire Line
	2700 3650 2950 3650
Wire Wire Line
	2700 3750 2950 3750
Wire Wire Line
	2700 3850 2950 3850
Wire Wire Line
	2700 3950 2950 3950
Wire Wire Line
	2700 4050 2950 4050
Wire Wire Line
	2700 4250 2950 4250
Wire Wire Line
	2700 4350 2950 4350
Wire Wire Line
	2700 4450 2950 4450
Wire Wire Line
	2700 4650 2950 4650
Wire Wire Line
	3550 4650 3750 4650
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC59
U 1 1 5F6B53A2
P 4400 3950
F 0 "IC59" H 4600 4000 50  0000 L CNN
F 1 "TMS4256" H 4600 3900 50  0000 L CNN
F 2 "" H 4400 4650 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 4400 4650 50  0001 C CNN
	1    4400 3950
	1    0    0    -1  
$EndComp
Text Label 3850 3250 0    50   ~ 0
MA0
Text Label 3850 3350 0    50   ~ 0
MA1
Text Label 3850 3450 0    50   ~ 0
MA2
Text Label 3850 3550 0    50   ~ 0
MA3
Text Label 3850 3650 0    50   ~ 0
MA4
Text Label 3850 3750 0    50   ~ 0
MA5
Text Label 3850 3850 0    50   ~ 0
MA6
Text Label 3850 3950 0    50   ~ 0
MA7
Text Label 3850 4050 0    50   ~ 0
MA8
Text Label 3850 4250 0    50   ~ 0
~RAS1~
Text Label 3850 4350 0    50   ~ 0
~CAS1~
Text Label 3850 4450 0    50   ~ 0
~MWE~
Text Label 3850 4650 0    50   ~ 0
MD1
Text Label 4900 4650 2    50   ~ 0
MD1
Wire Wire Line
	3850 3250 4100 3250
Wire Wire Line
	3850 3350 4100 3350
Wire Wire Line
	3850 3450 4100 3450
Wire Wire Line
	3850 3550 4100 3550
Wire Wire Line
	3850 3650 4100 3650
Wire Wire Line
	3850 3750 4100 3750
Wire Wire Line
	3850 3850 4100 3850
Wire Wire Line
	3850 3950 4100 3950
Wire Wire Line
	3850 4050 4100 4050
Wire Wire Line
	3850 4250 4100 4250
Wire Wire Line
	3850 4350 4100 4350
Wire Wire Line
	3850 4450 4100 4450
Wire Wire Line
	3850 4650 4100 4650
Wire Wire Line
	4700 4650 4900 4650
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC60
U 1 1 5F6B53C4
P 5550 3950
F 0 "IC60" H 5750 4000 50  0000 L CNN
F 1 "TMS4256" H 5750 3900 50  0000 L CNN
F 2 "" H 5550 4650 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 5550 4650 50  0001 C CNN
	1    5550 3950
	1    0    0    -1  
$EndComp
Text Label 5000 3250 0    50   ~ 0
MA0
Text Label 5000 3350 0    50   ~ 0
MA1
Text Label 5000 3450 0    50   ~ 0
MA2
Text Label 5000 3550 0    50   ~ 0
MA3
Text Label 5000 3650 0    50   ~ 0
MA4
Text Label 5000 3750 0    50   ~ 0
MA5
Text Label 5000 3850 0    50   ~ 0
MA6
Text Label 5000 3950 0    50   ~ 0
MA7
Text Label 5000 4050 0    50   ~ 0
MA8
Text Label 5000 4250 0    50   ~ 0
~RAS1~
Text Label 5000 4350 0    50   ~ 0
~CAS1~
Text Label 5000 4450 0    50   ~ 0
~MWE~
Text Label 5000 4650 0    50   ~ 0
MD2
Text Label 6050 4650 2    50   ~ 0
MD2
Wire Wire Line
	5000 3250 5250 3250
Wire Wire Line
	5000 3350 5250 3350
Wire Wire Line
	5000 3450 5250 3450
Wire Wire Line
	5000 3550 5250 3550
Wire Wire Line
	5000 3650 5250 3650
Wire Wire Line
	5000 3750 5250 3750
Wire Wire Line
	5000 3850 5250 3850
Wire Wire Line
	5000 3950 5250 3950
Wire Wire Line
	5000 4050 5250 4050
Wire Wire Line
	5000 4250 5250 4250
Wire Wire Line
	5000 4350 5250 4350
Wire Wire Line
	5000 4450 5250 4450
Wire Wire Line
	5000 4650 5250 4650
Wire Wire Line
	5850 4650 6050 4650
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC61
U 1 1 5F6B53E6
P 6700 3950
F 0 "IC61" H 6900 4000 50  0000 L CNN
F 1 "TMS4256" H 6900 3900 50  0000 L CNN
F 2 "" H 6700 4650 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 6700 4650 50  0001 C CNN
	1    6700 3950
	1    0    0    -1  
$EndComp
Text Label 6150 3250 0    50   ~ 0
MA0
Text Label 6150 3350 0    50   ~ 0
MA1
Text Label 6150 3450 0    50   ~ 0
MA2
Text Label 6150 3550 0    50   ~ 0
MA3
Text Label 6150 3650 0    50   ~ 0
MA4
Text Label 6150 3750 0    50   ~ 0
MA5
Text Label 6150 3850 0    50   ~ 0
MA6
Text Label 6150 3950 0    50   ~ 0
MA7
Text Label 6150 4050 0    50   ~ 0
MA8
Text Label 6150 4250 0    50   ~ 0
~RAS1~
Text Label 6150 4350 0    50   ~ 0
~CAS1~
Text Label 6150 4450 0    50   ~ 0
~MWE~
Text Label 6150 4650 0    50   ~ 0
MD3
Text Label 7200 4650 2    50   ~ 0
MD3
Wire Wire Line
	6150 3250 6400 3250
Wire Wire Line
	6150 3350 6400 3350
Wire Wire Line
	6150 3450 6400 3450
Wire Wire Line
	6150 3550 6400 3550
Wire Wire Line
	6150 3650 6400 3650
Wire Wire Line
	6150 3750 6400 3750
Wire Wire Line
	6150 3850 6400 3850
Wire Wire Line
	6150 3950 6400 3950
Wire Wire Line
	6150 4050 6400 4050
Wire Wire Line
	6150 4250 6400 4250
Wire Wire Line
	6150 4350 6400 4350
Wire Wire Line
	6150 4450 6400 4450
Wire Wire Line
	6150 4650 6400 4650
Wire Wire Line
	7000 4650 7200 4650
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC62
U 1 1 5F6B5408
P 7850 3950
F 0 "IC62" H 8050 4000 50  0000 L CNN
F 1 "TMS4256" H 8050 3900 50  0000 L CNN
F 2 "" H 7850 4650 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 7850 4650 50  0001 C CNN
	1    7850 3950
	1    0    0    -1  
$EndComp
Text Label 7300 3250 0    50   ~ 0
MA0
Text Label 7300 3350 0    50   ~ 0
MA1
Text Label 7300 3450 0    50   ~ 0
MA2
Text Label 7300 3550 0    50   ~ 0
MA3
Text Label 7300 3650 0    50   ~ 0
MA4
Text Label 7300 3750 0    50   ~ 0
MA5
Text Label 7300 3850 0    50   ~ 0
MA6
Text Label 7300 3950 0    50   ~ 0
MA7
Text Label 7300 4050 0    50   ~ 0
MA8
Text Label 7300 4250 0    50   ~ 0
~RAS1~
Text Label 7300 4350 0    50   ~ 0
~CAS1~
Text Label 7300 4450 0    50   ~ 0
~MWE~
Text Label 7300 4650 0    50   ~ 0
MD4
Text Label 8350 4650 2    50   ~ 0
MD4
Wire Wire Line
	7300 3250 7550 3250
Wire Wire Line
	7300 3350 7550 3350
Wire Wire Line
	7300 3450 7550 3450
Wire Wire Line
	7300 3550 7550 3550
Wire Wire Line
	7300 3650 7550 3650
Wire Wire Line
	7300 3750 7550 3750
Wire Wire Line
	7300 3850 7550 3850
Wire Wire Line
	7300 3950 7550 3950
Wire Wire Line
	7300 4050 7550 4050
Wire Wire Line
	7300 4250 7550 4250
Wire Wire Line
	7300 4350 7550 4350
Wire Wire Line
	7300 4450 7550 4450
Wire Wire Line
	7300 4650 7550 4650
Wire Wire Line
	8150 4650 8350 4650
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC63
U 1 1 5F6B542A
P 9000 3950
F 0 "IC63" H 9200 4000 50  0000 L CNN
F 1 "TMS4256" H 9200 3900 50  0000 L CNN
F 2 "" H 9000 4650 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 9000 4650 50  0001 C CNN
	1    9000 3950
	1    0    0    -1  
$EndComp
Text Label 8450 3250 0    50   ~ 0
MA0
Text Label 8450 3350 0    50   ~ 0
MA1
Text Label 8450 3450 0    50   ~ 0
MA2
Text Label 8450 3550 0    50   ~ 0
MA3
Text Label 8450 3650 0    50   ~ 0
MA4
Text Label 8450 3750 0    50   ~ 0
MA5
Text Label 8450 3850 0    50   ~ 0
MA6
Text Label 8450 3950 0    50   ~ 0
MA7
Text Label 8450 4050 0    50   ~ 0
MA8
Text Label 8450 4250 0    50   ~ 0
~RAS1~
Text Label 8450 4350 0    50   ~ 0
~CAS1~
Text Label 8450 4450 0    50   ~ 0
~MWE~
Text Label 8450 4650 0    50   ~ 0
MD5
Text Label 9500 4650 2    50   ~ 0
MD5
Wire Wire Line
	8450 3250 8700 3250
Wire Wire Line
	8450 3350 8700 3350
Wire Wire Line
	8450 3450 8700 3450
Wire Wire Line
	8450 3550 8700 3550
Wire Wire Line
	8450 3650 8700 3650
Wire Wire Line
	8450 3750 8700 3750
Wire Wire Line
	8450 3850 8700 3850
Wire Wire Line
	8450 3950 8700 3950
Wire Wire Line
	8450 4050 8700 4050
Wire Wire Line
	8450 4250 8700 4250
Wire Wire Line
	8450 4350 8700 4350
Wire Wire Line
	8450 4450 8700 4450
Wire Wire Line
	8450 4650 8700 4650
Wire Wire Line
	9300 4650 9500 4650
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC64
U 1 1 5F6B544C
P 10150 3950
F 0 "IC64" H 10350 4000 50  0000 L CNN
F 1 "TMS4256" H 10350 3900 50  0000 L CNN
F 2 "" H 10150 4650 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 10150 4650 50  0001 C CNN
	1    10150 3950
	1    0    0    -1  
$EndComp
Text Label 9600 3250 0    50   ~ 0
MA0
Text Label 9600 3350 0    50   ~ 0
MA1
Text Label 9600 3450 0    50   ~ 0
MA2
Text Label 9600 3550 0    50   ~ 0
MA3
Text Label 9600 3650 0    50   ~ 0
MA4
Text Label 9600 3750 0    50   ~ 0
MA5
Text Label 9600 3850 0    50   ~ 0
MA6
Text Label 9600 3950 0    50   ~ 0
MA7
Text Label 9600 4050 0    50   ~ 0
MA8
Text Label 9600 4250 0    50   ~ 0
~RAS1~
Text Label 9600 4350 0    50   ~ 0
~CAS1~
Text Label 9600 4450 0    50   ~ 0
~MWE~
Text Label 9600 4650 0    50   ~ 0
MD6
Text Label 10650 4650 2    50   ~ 0
MD6
Wire Wire Line
	9600 3250 9850 3250
Wire Wire Line
	9600 3350 9850 3350
Wire Wire Line
	9600 3450 9850 3450
Wire Wire Line
	9600 3550 9850 3550
Wire Wire Line
	9600 3650 9850 3650
Wire Wire Line
	9600 3750 9850 3750
Wire Wire Line
	9600 3850 9850 3850
Wire Wire Line
	9600 3950 9850 3950
Wire Wire Line
	9600 4050 9850 4050
Wire Wire Line
	9600 4250 9850 4250
Wire Wire Line
	9600 4350 9850 4350
Wire Wire Line
	9600 4450 9850 4450
Wire Wire Line
	9600 4650 9850 4650
Wire Wire Line
	10450 4650 10650 4650
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC65
U 1 1 5F6B546E
P 11300 3950
F 0 "IC65" H 11500 4000 50  0000 L CNN
F 1 "TMS4256" H 11500 3900 50  0000 L CNN
F 2 "" H 11300 4650 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 11300 4650 50  0001 C CNN
	1    11300 3950
	1    0    0    -1  
$EndComp
Text Label 10750 3250 0    50   ~ 0
MA0
Text Label 10750 3350 0    50   ~ 0
MA1
Text Label 10750 3450 0    50   ~ 0
MA2
Text Label 10750 3550 0    50   ~ 0
MA3
Text Label 10750 3650 0    50   ~ 0
MA4
Text Label 10750 3750 0    50   ~ 0
MA5
Text Label 10750 3850 0    50   ~ 0
MA6
Text Label 10750 3950 0    50   ~ 0
MA7
Text Label 10750 4050 0    50   ~ 0
MA8
Text Label 10750 4250 0    50   ~ 0
~RAS1~
Text Label 10750 4350 0    50   ~ 0
~CAS1~
Text Label 10750 4450 0    50   ~ 0
~MWE~
Text Label 10750 4650 0    50   ~ 0
MD7
Text Label 11800 4650 2    50   ~ 0
MD7
Wire Wire Line
	10750 3250 11000 3250
Wire Wire Line
	10750 3350 11000 3350
Wire Wire Line
	10750 3450 11000 3450
Wire Wire Line
	10750 3550 11000 3550
Wire Wire Line
	10750 3650 11000 3650
Wire Wire Line
	10750 3750 11000 3750
Wire Wire Line
	10750 3850 11000 3850
Wire Wire Line
	10750 3950 11000 3950
Wire Wire Line
	10750 4050 11000 4050
Wire Wire Line
	10750 4250 11000 4250
Wire Wire Line
	10750 4350 11000 4350
Wire Wire Line
	10750 4450 11000 4450
Wire Wire Line
	10750 4650 11000 4650
Wire Wire Line
	11600 4650 11800 4650
Text Label 3750 4650 2    50   ~ 0
MD0
Text Label 2700 4650 0    50   ~ 0
MD0
Wire Wire Line
	11300 3050 10150 3050
Connection ~ 3250 3050
Wire Wire Line
	3250 3050 1900 3050
Connection ~ 4400 3050
Wire Wire Line
	4400 3050 3250 3050
Connection ~ 5550 3050
Wire Wire Line
	5550 3050 4400 3050
Connection ~ 6700 3050
Wire Wire Line
	6700 3050 5550 3050
Connection ~ 7850 3050
Wire Wire Line
	7850 3050 6700 3050
Connection ~ 9000 3050
Wire Wire Line
	9000 3050 7850 3050
Connection ~ 10150 3050
Wire Wire Line
	10150 3050 9000 3050
Wire Wire Line
	1900 4850 3250 4850
Connection ~ 3250 4850
Wire Wire Line
	3250 4850 4400 4850
Connection ~ 4400 4850
Wire Wire Line
	4400 4850 5550 4850
Connection ~ 5550 4850
Wire Wire Line
	5550 4850 6700 4850
Connection ~ 6700 4850
Wire Wire Line
	6700 4850 7850 4850
Connection ~ 7850 4850
Wire Wire Line
	7850 4850 9000 4850
Connection ~ 9000 4850
Wire Wire Line
	9000 4850 10150 4850
Connection ~ 10150 4850
Wire Wire Line
	10150 4850 11300 4850
$Comp
L power:GND #PWR099
U 1 1 5F6B54B0
P 11800 4850
F 0 "#PWR099" H 11800 4600 50  0001 C CNN
F 1 "GND" H 11805 4677 50  0000 C CNN
F 2 "" H 11800 4850 50  0001 C CNN
F 3 "" H 11800 4850 50  0001 C CNN
	1    11800 4850
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR098
U 1 1 5F6B54B6
P 11800 3050
F 0 "#PWR098" H 11800 2900 50  0001 C CNN
F 1 "+5V" H 11815 3223 50  0000 C CNN
F 2 "" H 11800 3050 50  0001 C CNN
F 3 "" H 11800 3050 50  0001 C CNN
	1    11800 3050
	1    0    0    -1  
$EndComp
Wire Wire Line
	11800 3050 11300 3050
Connection ~ 11300 3050
Wire Wire Line
	11800 4850 11300 4850
Connection ~ 11300 4850
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC72
U 1 1 5F6E1EBA
P 1900 6250
F 0 "IC72" H 2150 6300 50  0000 L CNN
F 1 "TMS4256" H 2150 6200 50  0000 L CNN
F 2 "" H 1900 6950 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 1900 6950 50  0001 C CNN
	1    1900 6250
	1    0    0    -1  
$EndComp
Text Label 1350 5550 0    50   ~ 0
MA0
Text Label 1350 5650 0    50   ~ 0
MA1
Text Label 1350 5750 0    50   ~ 0
MA2
Text Label 1350 5850 0    50   ~ 0
MA3
Text Label 1350 5950 0    50   ~ 0
MA4
Text Label 1350 6050 0    50   ~ 0
MA5
Text Label 1350 6150 0    50   ~ 0
MA6
Text Label 1350 6250 0    50   ~ 0
MA7
Text Label 1350 6350 0    50   ~ 0
MA8
Text Label 1350 6750 0    50   ~ 0
~MWE~
Text Label 1300 6950 0    50   ~ 0
MDP_IN
Text Label 2550 6950 2    50   ~ 0
MDP_OUT
Wire Wire Line
	1350 5550 1600 5550
Wire Wire Line
	1350 5650 1600 5650
Wire Wire Line
	1350 5750 1600 5750
Wire Wire Line
	1350 5850 1600 5850
Wire Wire Line
	1350 5950 1600 5950
Wire Wire Line
	1350 6050 1600 6050
Wire Wire Line
	1350 6150 1600 6150
Wire Wire Line
	1350 6250 1600 6250
Wire Wire Line
	1350 6350 1600 6350
Wire Wire Line
	1100 6550 1600 6550
Wire Wire Line
	1350 6650 1600 6650
Wire Wire Line
	1350 6750 1600 6750
Wire Wire Line
	1300 6950 1600 6950
Wire Wire Line
	2200 6950 2550 6950
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC73
U 1 1 5F6E1EDC
P 3250 6250
F 0 "IC73" H 3450 6300 50  0000 L CNN
F 1 "TMS4256" H 3450 6200 50  0000 L CNN
F 2 "" H 3250 6950 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 3250 6950 50  0001 C CNN
	1    3250 6250
	1    0    0    -1  
$EndComp
Text Label 2700 5550 0    50   ~ 0
MA0
Text Label 2700 5650 0    50   ~ 0
MA1
Text Label 2700 5750 0    50   ~ 0
MA2
Text Label 2700 5850 0    50   ~ 0
MA3
Text Label 2700 5950 0    50   ~ 0
MA4
Text Label 2700 6050 0    50   ~ 0
MA5
Text Label 2700 6150 0    50   ~ 0
MA6
Text Label 2700 6250 0    50   ~ 0
MA7
Text Label 2700 6350 0    50   ~ 0
MA8
Text Label 2700 6550 0    50   ~ 0
~RAS2~
Text Label 2700 6650 0    50   ~ 0
~CAS2~
Text Label 2700 6750 0    50   ~ 0
~MWE~
Wire Wire Line
	2700 5550 2950 5550
Wire Wire Line
	2700 5650 2950 5650
Wire Wire Line
	2700 5750 2950 5750
Wire Wire Line
	2700 5850 2950 5850
Wire Wire Line
	2700 5950 2950 5950
Wire Wire Line
	2700 6050 2950 6050
Wire Wire Line
	2700 6150 2950 6150
Wire Wire Line
	2700 6250 2950 6250
Wire Wire Line
	2700 6350 2950 6350
Wire Wire Line
	2700 6550 2950 6550
Wire Wire Line
	2700 6650 2950 6650
Wire Wire Line
	2700 6750 2950 6750
Wire Wire Line
	2700 6950 2950 6950
Wire Wire Line
	3550 6950 3750 6950
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC74
U 1 1 5F6E1EFC
P 4400 6250
F 0 "IC74" H 4600 6300 50  0000 L CNN
F 1 "TMS4256" H 4600 6200 50  0000 L CNN
F 2 "" H 4400 6950 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 4400 6950 50  0001 C CNN
	1    4400 6250
	1    0    0    -1  
$EndComp
Text Label 3850 5550 0    50   ~ 0
MA0
Text Label 3850 5650 0    50   ~ 0
MA1
Text Label 3850 5750 0    50   ~ 0
MA2
Text Label 3850 5850 0    50   ~ 0
MA3
Text Label 3850 5950 0    50   ~ 0
MA4
Text Label 3850 6050 0    50   ~ 0
MA5
Text Label 3850 6150 0    50   ~ 0
MA6
Text Label 3850 6250 0    50   ~ 0
MA7
Text Label 3850 6350 0    50   ~ 0
MA8
Text Label 3850 6550 0    50   ~ 0
~RAS2~
Text Label 3850 6650 0    50   ~ 0
~CAS2~
Text Label 3850 6750 0    50   ~ 0
~MWE~
Text Label 3850 6950 0    50   ~ 0
MD1
Text Label 4900 6950 2    50   ~ 0
MD1
Wire Wire Line
	3850 5550 4100 5550
Wire Wire Line
	3850 5650 4100 5650
Wire Wire Line
	3850 5750 4100 5750
Wire Wire Line
	3850 5850 4100 5850
Wire Wire Line
	3850 5950 4100 5950
Wire Wire Line
	3850 6050 4100 6050
Wire Wire Line
	3850 6150 4100 6150
Wire Wire Line
	3850 6250 4100 6250
Wire Wire Line
	3850 6350 4100 6350
Wire Wire Line
	3850 6550 4100 6550
Wire Wire Line
	3850 6650 4100 6650
Wire Wire Line
	3850 6750 4100 6750
Wire Wire Line
	3850 6950 4100 6950
Wire Wire Line
	4700 6950 4900 6950
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC75
U 1 1 5F6E1F1E
P 5550 6250
F 0 "IC75" H 5750 6300 50  0000 L CNN
F 1 "TMS4256" H 5750 6200 50  0000 L CNN
F 2 "" H 5550 6950 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 5550 6950 50  0001 C CNN
	1    5550 6250
	1    0    0    -1  
$EndComp
Text Label 5000 5550 0    50   ~ 0
MA0
Text Label 5000 5650 0    50   ~ 0
MA1
Text Label 5000 5750 0    50   ~ 0
MA2
Text Label 5000 5850 0    50   ~ 0
MA3
Text Label 5000 5950 0    50   ~ 0
MA4
Text Label 5000 6050 0    50   ~ 0
MA5
Text Label 5000 6150 0    50   ~ 0
MA6
Text Label 5000 6250 0    50   ~ 0
MA7
Text Label 5000 6350 0    50   ~ 0
MA8
Text Label 5000 6550 0    50   ~ 0
~RAS2~
Text Label 5000 6650 0    50   ~ 0
~CAS2~
Text Label 5000 6750 0    50   ~ 0
~MWE~
Text Label 5000 6950 0    50   ~ 0
MD2
Text Label 6050 6950 2    50   ~ 0
MD2
Wire Wire Line
	5000 5550 5250 5550
Wire Wire Line
	5000 5650 5250 5650
Wire Wire Line
	5000 5750 5250 5750
Wire Wire Line
	5000 5850 5250 5850
Wire Wire Line
	5000 5950 5250 5950
Wire Wire Line
	5000 6050 5250 6050
Wire Wire Line
	5000 6150 5250 6150
Wire Wire Line
	5000 6250 5250 6250
Wire Wire Line
	5000 6350 5250 6350
Wire Wire Line
	5000 6550 5250 6550
Wire Wire Line
	5000 6650 5250 6650
Wire Wire Line
	5000 6750 5250 6750
Wire Wire Line
	5000 6950 5250 6950
Wire Wire Line
	5850 6950 6050 6950
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC76
U 1 1 5F6E1F40
P 6700 6250
F 0 "IC76" H 6900 6300 50  0000 L CNN
F 1 "TMS4256" H 6900 6200 50  0000 L CNN
F 2 "" H 6700 6950 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 6700 6950 50  0001 C CNN
	1    6700 6250
	1    0    0    -1  
$EndComp
Text Label 6150 5550 0    50   ~ 0
MA0
Text Label 6150 5650 0    50   ~ 0
MA1
Text Label 6150 5750 0    50   ~ 0
MA2
Text Label 6150 5850 0    50   ~ 0
MA3
Text Label 6150 5950 0    50   ~ 0
MA4
Text Label 6150 6050 0    50   ~ 0
MA5
Text Label 6150 6150 0    50   ~ 0
MA6
Text Label 6150 6250 0    50   ~ 0
MA7
Text Label 6150 6350 0    50   ~ 0
MA8
Text Label 6150 6550 0    50   ~ 0
~RAS2~
Text Label 6150 6650 0    50   ~ 0
~CAS2~
Text Label 6150 6750 0    50   ~ 0
~MWE~
Text Label 6150 6950 0    50   ~ 0
MD3
Text Label 7200 6950 2    50   ~ 0
MD3
Wire Wire Line
	6150 5550 6400 5550
Wire Wire Line
	6150 5650 6400 5650
Wire Wire Line
	6150 5750 6400 5750
Wire Wire Line
	6150 5850 6400 5850
Wire Wire Line
	6150 5950 6400 5950
Wire Wire Line
	6150 6050 6400 6050
Wire Wire Line
	6150 6150 6400 6150
Wire Wire Line
	6150 6250 6400 6250
Wire Wire Line
	6150 6350 6400 6350
Wire Wire Line
	6150 6550 6400 6550
Wire Wire Line
	6150 6650 6400 6650
Wire Wire Line
	6150 6750 6400 6750
Wire Wire Line
	6150 6950 6400 6950
Wire Wire Line
	7000 6950 7200 6950
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC77
U 1 1 5F6E1F62
P 7850 6250
F 0 "IC77" H 8050 6300 50  0000 L CNN
F 1 "TMS4256" H 8050 6200 50  0000 L CNN
F 2 "" H 7850 6950 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 7850 6950 50  0001 C CNN
	1    7850 6250
	1    0    0    -1  
$EndComp
Text Label 7300 5550 0    50   ~ 0
MA0
Text Label 7300 5650 0    50   ~ 0
MA1
Text Label 7300 5750 0    50   ~ 0
MA2
Text Label 7300 5850 0    50   ~ 0
MA3
Text Label 7300 5950 0    50   ~ 0
MA4
Text Label 7300 6050 0    50   ~ 0
MA5
Text Label 7300 6150 0    50   ~ 0
MA6
Text Label 7300 6250 0    50   ~ 0
MA7
Text Label 7300 6350 0    50   ~ 0
MA8
Text Label 7300 6550 0    50   ~ 0
~RAS2~
Text Label 7300 6650 0    50   ~ 0
~CAS2~
Text Label 7300 6750 0    50   ~ 0
~MWE~
Text Label 7300 6950 0    50   ~ 0
MD4
Text Label 8350 6950 2    50   ~ 0
MD4
Wire Wire Line
	7300 5550 7550 5550
Wire Wire Line
	7300 5650 7550 5650
Wire Wire Line
	7300 5750 7550 5750
Wire Wire Line
	7300 5850 7550 5850
Wire Wire Line
	7300 5950 7550 5950
Wire Wire Line
	7300 6050 7550 6050
Wire Wire Line
	7300 6150 7550 6150
Wire Wire Line
	7300 6250 7550 6250
Wire Wire Line
	7300 6350 7550 6350
Wire Wire Line
	7300 6550 7550 6550
Wire Wire Line
	7300 6650 7550 6650
Wire Wire Line
	7300 6750 7550 6750
Wire Wire Line
	7300 6950 7550 6950
Wire Wire Line
	8150 6950 8350 6950
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC78
U 1 1 5F6E1F84
P 9000 6250
F 0 "IC78" H 9200 6300 50  0000 L CNN
F 1 "TMS4256" H 9200 6200 50  0000 L CNN
F 2 "" H 9000 6950 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 9000 6950 50  0001 C CNN
	1    9000 6250
	1    0    0    -1  
$EndComp
Text Label 8450 5550 0    50   ~ 0
MA0
Text Label 8450 5650 0    50   ~ 0
MA1
Text Label 8450 5750 0    50   ~ 0
MA2
Text Label 8450 5850 0    50   ~ 0
MA3
Text Label 8450 5950 0    50   ~ 0
MA4
Text Label 8450 6050 0    50   ~ 0
MA5
Text Label 8450 6150 0    50   ~ 0
MA6
Text Label 8450 6250 0    50   ~ 0
MA7
Text Label 8450 6350 0    50   ~ 0
MA8
Text Label 8450 6550 0    50   ~ 0
~RAS2~
Text Label 8450 6650 0    50   ~ 0
~CAS2~
Text Label 8450 6750 0    50   ~ 0
~MWE~
Text Label 8450 6950 0    50   ~ 0
MD5
Text Label 9500 6950 2    50   ~ 0
MD5
Wire Wire Line
	8450 5550 8700 5550
Wire Wire Line
	8450 5650 8700 5650
Wire Wire Line
	8450 5750 8700 5750
Wire Wire Line
	8450 5850 8700 5850
Wire Wire Line
	8450 5950 8700 5950
Wire Wire Line
	8450 6050 8700 6050
Wire Wire Line
	8450 6150 8700 6150
Wire Wire Line
	8450 6250 8700 6250
Wire Wire Line
	8450 6350 8700 6350
Wire Wire Line
	8450 6550 8700 6550
Wire Wire Line
	8450 6650 8700 6650
Wire Wire Line
	8450 6750 8700 6750
Wire Wire Line
	8450 6950 8700 6950
Wire Wire Line
	9300 6950 9500 6950
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC79
U 1 1 5F6E1FA6
P 10150 6250
F 0 "IC79" H 10350 6300 50  0000 L CNN
F 1 "TMS4256" H 10350 6200 50  0000 L CNN
F 2 "" H 10150 6950 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 10150 6950 50  0001 C CNN
	1    10150 6250
	1    0    0    -1  
$EndComp
Text Label 9600 5550 0    50   ~ 0
MA0
Text Label 9600 5650 0    50   ~ 0
MA1
Text Label 9600 5750 0    50   ~ 0
MA2
Text Label 9600 5850 0    50   ~ 0
MA3
Text Label 9600 5950 0    50   ~ 0
MA4
Text Label 9600 6050 0    50   ~ 0
MA5
Text Label 9600 6150 0    50   ~ 0
MA6
Text Label 9600 6250 0    50   ~ 0
MA7
Text Label 9600 6350 0    50   ~ 0
MA8
Text Label 9600 6550 0    50   ~ 0
~RAS2~
Text Label 9600 6650 0    50   ~ 0
~CAS2~
Text Label 9600 6750 0    50   ~ 0
~MWE~
Text Label 9600 6950 0    50   ~ 0
MD6
Text Label 10650 6950 2    50   ~ 0
MD6
Wire Wire Line
	9600 5550 9850 5550
Wire Wire Line
	9600 5650 9850 5650
Wire Wire Line
	9600 5750 9850 5750
Wire Wire Line
	9600 5850 9850 5850
Wire Wire Line
	9600 5950 9850 5950
Wire Wire Line
	9600 6050 9850 6050
Wire Wire Line
	9600 6150 9850 6150
Wire Wire Line
	9600 6250 9850 6250
Wire Wire Line
	9600 6350 9850 6350
Wire Wire Line
	9600 6550 9850 6550
Wire Wire Line
	9600 6650 9850 6650
Wire Wire Line
	9600 6750 9850 6750
Wire Wire Line
	9600 6950 9850 6950
Wire Wire Line
	10450 6950 10650 6950
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC80
U 1 1 5F6E1FC8
P 11300 6250
F 0 "IC80" H 11500 6300 50  0000 L CNN
F 1 "TMS4256" H 11500 6200 50  0000 L CNN
F 2 "" H 11300 6950 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 11300 6950 50  0001 C CNN
	1    11300 6250
	1    0    0    -1  
$EndComp
Text Label 10750 5550 0    50   ~ 0
MA0
Text Label 10750 5650 0    50   ~ 0
MA1
Text Label 10750 5750 0    50   ~ 0
MA2
Text Label 10750 5850 0    50   ~ 0
MA3
Text Label 10750 5950 0    50   ~ 0
MA4
Text Label 10750 6050 0    50   ~ 0
MA5
Text Label 10750 6150 0    50   ~ 0
MA6
Text Label 10750 6250 0    50   ~ 0
MA7
Text Label 10750 6350 0    50   ~ 0
MA8
Text Label 10750 6550 0    50   ~ 0
~RAS2~
Text Label 10750 6650 0    50   ~ 0
~CAS2~
Text Label 10750 6750 0    50   ~ 0
~MWE~
Text Label 10750 6950 0    50   ~ 0
MD7
Text Label 11800 6950 2    50   ~ 0
MD7
Wire Wire Line
	10750 5550 11000 5550
Wire Wire Line
	10750 5650 11000 5650
Wire Wire Line
	10750 5750 11000 5750
Wire Wire Line
	10750 5850 11000 5850
Wire Wire Line
	10750 5950 11000 5950
Wire Wire Line
	10750 6050 11000 6050
Wire Wire Line
	10750 6150 11000 6150
Wire Wire Line
	10750 6250 11000 6250
Wire Wire Line
	10750 6350 11000 6350
Wire Wire Line
	10750 6550 11000 6550
Wire Wire Line
	10750 6650 11000 6650
Wire Wire Line
	10750 6750 11000 6750
Wire Wire Line
	10750 6950 11000 6950
Wire Wire Line
	11600 6950 11800 6950
Text Label 3750 6950 2    50   ~ 0
MD0
Text Label 2700 6950 0    50   ~ 0
MD0
Wire Wire Line
	11300 5350 10150 5350
Connection ~ 3250 5350
Wire Wire Line
	3250 5350 1900 5350
Connection ~ 4400 5350
Wire Wire Line
	4400 5350 3250 5350
Connection ~ 5550 5350
Wire Wire Line
	5550 5350 4400 5350
Connection ~ 6700 5350
Wire Wire Line
	6700 5350 5550 5350
Connection ~ 7850 5350
Wire Wire Line
	7850 5350 6700 5350
Connection ~ 9000 5350
Wire Wire Line
	9000 5350 7850 5350
Connection ~ 10150 5350
Wire Wire Line
	10150 5350 9000 5350
Wire Wire Line
	1900 7150 3250 7150
Connection ~ 3250 7150
Wire Wire Line
	3250 7150 4400 7150
Connection ~ 4400 7150
Wire Wire Line
	4400 7150 5550 7150
Connection ~ 5550 7150
Wire Wire Line
	5550 7150 6700 7150
Connection ~ 6700 7150
Wire Wire Line
	6700 7150 7850 7150
Connection ~ 7850 7150
Wire Wire Line
	7850 7150 9000 7150
Connection ~ 9000 7150
Wire Wire Line
	9000 7150 10150 7150
Connection ~ 10150 7150
Wire Wire Line
	10150 7150 11300 7150
$Comp
L power:GND #PWR0101
U 1 1 5F6E200A
P 11800 7150
F 0 "#PWR0101" H 11800 6900 50  0001 C CNN
F 1 "GND" H 11805 6977 50  0000 C CNN
F 2 "" H 11800 7150 50  0001 C CNN
F 3 "" H 11800 7150 50  0001 C CNN
	1    11800 7150
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0100
U 1 1 5F6E2010
P 11800 5350
F 0 "#PWR0100" H 11800 5200 50  0001 C CNN
F 1 "+5V" H 11815 5523 50  0000 C CNN
F 2 "" H 11800 5350 50  0001 C CNN
F 3 "" H 11800 5350 50  0001 C CNN
	1    11800 5350
	1    0    0    -1  
$EndComp
Wire Wire Line
	11800 5350 11300 5350
Connection ~ 11300 5350
Wire Wire Line
	11800 7150 11300 7150
Connection ~ 11300 7150
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC89
U 1 1 5F742F49
P 1900 8500
F 0 "IC89" H 2150 8550 50  0000 L CNN
F 1 "TMS4256" H 2150 8450 50  0000 L CNN
F 2 "" H 1900 9200 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 1900 9200 50  0001 C CNN
	1    1900 8500
	1    0    0    -1  
$EndComp
Text Label 1350 7800 0    50   ~ 0
MA0
Text Label 1350 7900 0    50   ~ 0
MA1
Text Label 1350 8000 0    50   ~ 0
MA2
Text Label 1350 8100 0    50   ~ 0
MA3
Text Label 1350 8200 0    50   ~ 0
MA4
Text Label 1350 8300 0    50   ~ 0
MA5
Text Label 1350 8400 0    50   ~ 0
MA6
Text Label 1350 8500 0    50   ~ 0
MA7
Text Label 1350 8600 0    50   ~ 0
MA8
Text Label 1350 9000 0    50   ~ 0
~MWE~
Text Label 1300 9200 0    50   ~ 0
MDP_IN
Text Label 2550 9200 2    50   ~ 0
MDP_OUT
Wire Wire Line
	1350 7800 1600 7800
Wire Wire Line
	1350 7900 1600 7900
Wire Wire Line
	1350 8000 1600 8000
Wire Wire Line
	1350 8100 1600 8100
Wire Wire Line
	1350 8200 1600 8200
Wire Wire Line
	1350 8300 1600 8300
Wire Wire Line
	1350 8400 1600 8400
Wire Wire Line
	1350 8500 1600 8500
Wire Wire Line
	1350 8600 1600 8600
Wire Wire Line
	1100 8800 1600 8800
Wire Wire Line
	1350 8900 1600 8900
Wire Wire Line
	1350 9000 1600 9000
Wire Wire Line
	1300 9200 1600 9200
Wire Wire Line
	2200 9200 2550 9200
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC90
U 1 1 5F742F6B
P 3250 8500
F 0 "IC90" H 3450 8550 50  0000 L CNN
F 1 "TMS4256" H 3450 8450 50  0000 L CNN
F 2 "" H 3250 9200 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 3250 9200 50  0001 C CNN
	1    3250 8500
	1    0    0    -1  
$EndComp
Text Label 2700 7800 0    50   ~ 0
MA0
Text Label 2700 7900 0    50   ~ 0
MA1
Text Label 2700 8000 0    50   ~ 0
MA2
Text Label 2700 8100 0    50   ~ 0
MA3
Text Label 2700 8200 0    50   ~ 0
MA4
Text Label 2700 8300 0    50   ~ 0
MA5
Text Label 2700 8400 0    50   ~ 0
MA6
Text Label 2700 8500 0    50   ~ 0
MA7
Text Label 2700 8600 0    50   ~ 0
MA8
Text Label 2700 8800 0    50   ~ 0
~RAS3~
Text Label 2700 8900 0    50   ~ 0
~CAS3~
Text Label 2700 9000 0    50   ~ 0
~MWE~
Wire Wire Line
	2700 7800 2950 7800
Wire Wire Line
	2700 7900 2950 7900
Wire Wire Line
	2700 8000 2950 8000
Wire Wire Line
	2700 8100 2950 8100
Wire Wire Line
	2700 8200 2950 8200
Wire Wire Line
	2700 8300 2950 8300
Wire Wire Line
	2700 8400 2950 8400
Wire Wire Line
	2700 8500 2950 8500
Wire Wire Line
	2700 8600 2950 8600
Wire Wire Line
	2700 8800 2950 8800
Wire Wire Line
	2700 8900 2950 8900
Wire Wire Line
	2700 9000 2950 9000
Wire Wire Line
	2700 9200 2950 9200
Wire Wire Line
	3550 9200 3750 9200
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC91
U 1 1 5F742F8B
P 4400 8500
F 0 "IC91" H 4600 8550 50  0000 L CNN
F 1 "TMS4256" H 4600 8450 50  0000 L CNN
F 2 "" H 4400 9200 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 4400 9200 50  0001 C CNN
	1    4400 8500
	1    0    0    -1  
$EndComp
Text Label 3850 7800 0    50   ~ 0
MA0
Text Label 3850 7900 0    50   ~ 0
MA1
Text Label 3850 8000 0    50   ~ 0
MA2
Text Label 3850 8100 0    50   ~ 0
MA3
Text Label 3850 8200 0    50   ~ 0
MA4
Text Label 3850 8300 0    50   ~ 0
MA5
Text Label 3850 8400 0    50   ~ 0
MA6
Text Label 3850 8500 0    50   ~ 0
MA7
Text Label 3850 8600 0    50   ~ 0
MA8
Text Label 3850 8800 0    50   ~ 0
~RAS3~
Text Label 3850 8900 0    50   ~ 0
~CAS3~
Text Label 3850 9000 0    50   ~ 0
~MWE~
Text Label 3850 9200 0    50   ~ 0
MD1
Text Label 4900 9200 2    50   ~ 0
MD1
Wire Wire Line
	3850 7800 4100 7800
Wire Wire Line
	3850 7900 4100 7900
Wire Wire Line
	3850 8000 4100 8000
Wire Wire Line
	3850 8100 4100 8100
Wire Wire Line
	3850 8200 4100 8200
Wire Wire Line
	3850 8300 4100 8300
Wire Wire Line
	3850 8400 4100 8400
Wire Wire Line
	3850 8500 4100 8500
Wire Wire Line
	3850 8600 4100 8600
Wire Wire Line
	3850 8800 4100 8800
Wire Wire Line
	3850 8900 4100 8900
Wire Wire Line
	3850 9000 4100 9000
Wire Wire Line
	3850 9200 4100 9200
Wire Wire Line
	4700 9200 4900 9200
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC92
U 1 1 5F742FAD
P 5550 8500
F 0 "IC92" H 5750 8550 50  0000 L CNN
F 1 "TMS4256" H 5750 8450 50  0000 L CNN
F 2 "" H 5550 9200 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 5550 9200 50  0001 C CNN
	1    5550 8500
	1    0    0    -1  
$EndComp
Text Label 5000 7800 0    50   ~ 0
MA0
Text Label 5000 7900 0    50   ~ 0
MA1
Text Label 5000 8000 0    50   ~ 0
MA2
Text Label 5000 8100 0    50   ~ 0
MA3
Text Label 5000 8200 0    50   ~ 0
MA4
Text Label 5000 8300 0    50   ~ 0
MA5
Text Label 5000 8400 0    50   ~ 0
MA6
Text Label 5000 8500 0    50   ~ 0
MA7
Text Label 5000 8600 0    50   ~ 0
MA8
Text Label 5000 8800 0    50   ~ 0
~RAS3~
Text Label 5000 8900 0    50   ~ 0
~CAS3~
Text Label 5000 9000 0    50   ~ 0
~MWE~
Text Label 5000 9200 0    50   ~ 0
MD2
Text Label 6050 9200 2    50   ~ 0
MD2
Wire Wire Line
	5000 7800 5250 7800
Wire Wire Line
	5000 7900 5250 7900
Wire Wire Line
	5000 8000 5250 8000
Wire Wire Line
	5000 8100 5250 8100
Wire Wire Line
	5000 8200 5250 8200
Wire Wire Line
	5000 8300 5250 8300
Wire Wire Line
	5000 8400 5250 8400
Wire Wire Line
	5000 8500 5250 8500
Wire Wire Line
	5000 8600 5250 8600
Wire Wire Line
	5000 8800 5250 8800
Wire Wire Line
	5000 8900 5250 8900
Wire Wire Line
	5000 9000 5250 9000
Wire Wire Line
	5000 9200 5250 9200
Wire Wire Line
	5850 9200 6050 9200
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC93
U 1 1 5F742FCF
P 6700 8500
F 0 "IC93" H 6900 8550 50  0000 L CNN
F 1 "TMS4256" H 6900 8450 50  0000 L CNN
F 2 "" H 6700 9200 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 6700 9200 50  0001 C CNN
	1    6700 8500
	1    0    0    -1  
$EndComp
Text Label 6150 7800 0    50   ~ 0
MA0
Text Label 6150 7900 0    50   ~ 0
MA1
Text Label 6150 8000 0    50   ~ 0
MA2
Text Label 6150 8100 0    50   ~ 0
MA3
Text Label 6150 8200 0    50   ~ 0
MA4
Text Label 6150 8300 0    50   ~ 0
MA5
Text Label 6150 8400 0    50   ~ 0
MA6
Text Label 6150 8500 0    50   ~ 0
MA7
Text Label 6150 8600 0    50   ~ 0
MA8
Text Label 6150 8800 0    50   ~ 0
~RAS3~
Text Label 6150 8900 0    50   ~ 0
~CAS3~
Text Label 6150 9000 0    50   ~ 0
~MWE~
Text Label 6150 9200 0    50   ~ 0
MD3
Text Label 7200 9200 2    50   ~ 0
MD3
Wire Wire Line
	6150 7800 6400 7800
Wire Wire Line
	6150 7900 6400 7900
Wire Wire Line
	6150 8000 6400 8000
Wire Wire Line
	6150 8100 6400 8100
Wire Wire Line
	6150 8200 6400 8200
Wire Wire Line
	6150 8300 6400 8300
Wire Wire Line
	6150 8400 6400 8400
Wire Wire Line
	6150 8500 6400 8500
Wire Wire Line
	6150 8600 6400 8600
Wire Wire Line
	6150 8800 6400 8800
Wire Wire Line
	6150 8900 6400 8900
Wire Wire Line
	6150 9000 6400 9000
Wire Wire Line
	6150 9200 6400 9200
Wire Wire Line
	7000 9200 7200 9200
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC94
U 1 1 5F742FF1
P 7850 8500
F 0 "IC94" H 8050 8550 50  0000 L CNN
F 1 "TMS4256" H 8050 8450 50  0000 L CNN
F 2 "" H 7850 9200 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 7850 9200 50  0001 C CNN
	1    7850 8500
	1    0    0    -1  
$EndComp
Text Label 7300 7800 0    50   ~ 0
MA0
Text Label 7300 7900 0    50   ~ 0
MA1
Text Label 7300 8000 0    50   ~ 0
MA2
Text Label 7300 8100 0    50   ~ 0
MA3
Text Label 7300 8200 0    50   ~ 0
MA4
Text Label 7300 8300 0    50   ~ 0
MA5
Text Label 7300 8400 0    50   ~ 0
MA6
Text Label 7300 8500 0    50   ~ 0
MA7
Text Label 7300 8600 0    50   ~ 0
MA8
Text Label 7300 8800 0    50   ~ 0
~RAS3~
Text Label 7300 8900 0    50   ~ 0
~CAS3~
Text Label 7300 9000 0    50   ~ 0
~MWE~
Text Label 7300 9200 0    50   ~ 0
MD4
Text Label 8350 9200 2    50   ~ 0
MD4
Wire Wire Line
	7300 7800 7550 7800
Wire Wire Line
	7300 7900 7550 7900
Wire Wire Line
	7300 8000 7550 8000
Wire Wire Line
	7300 8100 7550 8100
Wire Wire Line
	7300 8200 7550 8200
Wire Wire Line
	7300 8300 7550 8300
Wire Wire Line
	7300 8400 7550 8400
Wire Wire Line
	7300 8500 7550 8500
Wire Wire Line
	7300 8600 7550 8600
Wire Wire Line
	7300 8800 7550 8800
Wire Wire Line
	7300 8900 7550 8900
Wire Wire Line
	7300 9000 7550 9000
Wire Wire Line
	7300 9200 7550 9200
Wire Wire Line
	8150 9200 8350 9200
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC95
U 1 1 5F743013
P 9000 8500
F 0 "IC95" H 9200 8550 50  0000 L CNN
F 1 "TMS4256" H 9200 8450 50  0000 L CNN
F 2 "" H 9000 9200 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 9000 9200 50  0001 C CNN
	1    9000 8500
	1    0    0    -1  
$EndComp
Text Label 8450 7800 0    50   ~ 0
MA0
Text Label 8450 7900 0    50   ~ 0
MA1
Text Label 8450 8000 0    50   ~ 0
MA2
Text Label 8450 8100 0    50   ~ 0
MA3
Text Label 8450 8200 0    50   ~ 0
MA4
Text Label 8450 8300 0    50   ~ 0
MA5
Text Label 8450 8400 0    50   ~ 0
MA6
Text Label 8450 8500 0    50   ~ 0
MA7
Text Label 8450 8600 0    50   ~ 0
MA8
Text Label 8450 8800 0    50   ~ 0
~RAS3~
Text Label 8450 8900 0    50   ~ 0
~CAS3~
Text Label 8450 9000 0    50   ~ 0
~MWE~
Text Label 8450 9200 0    50   ~ 0
MD5
Text Label 9500 9200 2    50   ~ 0
MD5
Wire Wire Line
	8450 7800 8700 7800
Wire Wire Line
	8450 7900 8700 7900
Wire Wire Line
	8450 8000 8700 8000
Wire Wire Line
	8450 8100 8700 8100
Wire Wire Line
	8450 8200 8700 8200
Wire Wire Line
	8450 8300 8700 8300
Wire Wire Line
	8450 8400 8700 8400
Wire Wire Line
	8450 8500 8700 8500
Wire Wire Line
	8450 8600 8700 8600
Wire Wire Line
	8450 8800 8700 8800
Wire Wire Line
	8450 8900 8700 8900
Wire Wire Line
	8450 9000 8700 9000
Wire Wire Line
	8450 9200 8700 9200
Wire Wire Line
	9300 9200 9500 9200
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC96
U 1 1 5F743035
P 10150 8500
F 0 "IC96" H 10350 8550 50  0000 L CNN
F 1 "TMS4256" H 10350 8450 50  0000 L CNN
F 2 "" H 10150 9200 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 10150 9200 50  0001 C CNN
	1    10150 8500
	1    0    0    -1  
$EndComp
Text Label 9600 7800 0    50   ~ 0
MA0
Text Label 9600 7900 0    50   ~ 0
MA1
Text Label 9600 8000 0    50   ~ 0
MA2
Text Label 9600 8100 0    50   ~ 0
MA3
Text Label 9600 8200 0    50   ~ 0
MA4
Text Label 9600 8300 0    50   ~ 0
MA5
Text Label 9600 8400 0    50   ~ 0
MA6
Text Label 9600 8500 0    50   ~ 0
MA7
Text Label 9600 8600 0    50   ~ 0
MA8
Text Label 9600 8800 0    50   ~ 0
~RAS3~
Text Label 9600 8900 0    50   ~ 0
~CAS3~
Text Label 9600 9000 0    50   ~ 0
~MWE~
Text Label 9600 9200 0    50   ~ 0
MD6
Text Label 10650 9200 2    50   ~ 0
MD6
Wire Wire Line
	9600 7800 9850 7800
Wire Wire Line
	9600 7900 9850 7900
Wire Wire Line
	9600 8000 9850 8000
Wire Wire Line
	9600 8100 9850 8100
Wire Wire Line
	9600 8200 9850 8200
Wire Wire Line
	9600 8300 9850 8300
Wire Wire Line
	9600 8400 9850 8400
Wire Wire Line
	9600 8500 9850 8500
Wire Wire Line
	9600 8600 9850 8600
Wire Wire Line
	9600 8800 9850 8800
Wire Wire Line
	9600 8900 9850 8900
Wire Wire Line
	9600 9000 9850 9000
Wire Wire Line
	9600 9200 9850 9200
Wire Wire Line
	10450 9200 10650 9200
$Comp
L PCII-System-Board-Custom-Parts:TMS4256 IC97
U 1 1 5F743057
P 11300 8500
F 0 "IC97" H 11500 8550 50  0000 L CNN
F 1 "TMS4256" H 11500 8450 50  0000 L CNN
F 2 "" H 11300 9200 50  0001 C CNN
F 3 "https://archive.org/download/tms4164datasheetnov85/TMS4164-datasheet-nov85.pdf" H 11300 9200 50  0001 C CNN
	1    11300 8500
	1    0    0    -1  
$EndComp
Text Label 10750 7800 0    50   ~ 0
MA0
Text Label 10750 7900 0    50   ~ 0
MA1
Text Label 10750 8000 0    50   ~ 0
MA2
Text Label 10750 8100 0    50   ~ 0
MA3
Text Label 10750 8200 0    50   ~ 0
MA4
Text Label 10750 8300 0    50   ~ 0
MA5
Text Label 10750 8400 0    50   ~ 0
MA6
Text Label 10750 8500 0    50   ~ 0
MA7
Text Label 10750 8600 0    50   ~ 0
MA8
Text Label 10750 8800 0    50   ~ 0
~RAS3~
Text Label 10750 8900 0    50   ~ 0
~CAS3~
Text Label 10750 9000 0    50   ~ 0
~MWE~
Text Label 10750 9200 0    50   ~ 0
MD7
Text Label 11800 9200 2    50   ~ 0
MD7
Wire Wire Line
	10750 7800 11000 7800
Wire Wire Line
	10750 7900 11000 7900
Wire Wire Line
	10750 8000 11000 8000
Wire Wire Line
	10750 8100 11000 8100
Wire Wire Line
	10750 8200 11000 8200
Wire Wire Line
	10750 8300 11000 8300
Wire Wire Line
	10750 8400 11000 8400
Wire Wire Line
	10750 8500 11000 8500
Wire Wire Line
	10750 8600 11000 8600
Wire Wire Line
	10750 8800 11000 8800
Wire Wire Line
	10750 8900 11000 8900
Wire Wire Line
	10750 9000 11000 9000
Wire Wire Line
	10750 9200 11000 9200
Wire Wire Line
	11600 9200 11800 9200
Text Label 3750 9200 2    50   ~ 0
MD0
Text Label 2700 9200 0    50   ~ 0
MD0
Wire Wire Line
	11300 7600 10150 7600
Connection ~ 3250 7600
Wire Wire Line
	3250 7600 1900 7600
Connection ~ 4400 7600
Wire Wire Line
	4400 7600 3250 7600
Connection ~ 5550 7600
Wire Wire Line
	5550 7600 4400 7600
Connection ~ 6700 7600
Wire Wire Line
	6700 7600 5550 7600
Connection ~ 7850 7600
Wire Wire Line
	7850 7600 6700 7600
Connection ~ 9000 7600
Wire Wire Line
	9000 7600 7850 7600
Connection ~ 10150 7600
Wire Wire Line
	10150 7600 9000 7600
Wire Wire Line
	1900 9400 3250 9400
Connection ~ 3250 9400
Wire Wire Line
	3250 9400 4400 9400
Connection ~ 4400 9400
Wire Wire Line
	4400 9400 5550 9400
Connection ~ 5550 9400
Wire Wire Line
	5550 9400 6700 9400
Connection ~ 6700 9400
Wire Wire Line
	6700 9400 7850 9400
Connection ~ 7850 9400
Wire Wire Line
	7850 9400 9000 9400
Connection ~ 9000 9400
Wire Wire Line
	9000 9400 10150 9400
Connection ~ 10150 9400
Wire Wire Line
	10150 9400 11300 9400
$Comp
L power:GND #PWR0103
U 1 1 5F743099
P 11800 9400
F 0 "#PWR0103" H 11800 9150 50  0001 C CNN
F 1 "GND" H 11805 9227 50  0000 C CNN
F 2 "" H 11800 9400 50  0001 C CNN
F 3 "" H 11800 9400 50  0001 C CNN
	1    11800 9400
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0102
U 1 1 5F74309F
P 11800 7600
F 0 "#PWR0102" H 11800 7450 50  0001 C CNN
F 1 "+5V" H 11815 7773 50  0000 C CNN
F 2 "" H 11800 7600 50  0001 C CNN
F 3 "" H 11800 7600 50  0001 C CNN
	1    11800 7600
	1    0    0    -1  
$EndComp
Wire Wire Line
	11800 7600 11300 7600
Connection ~ 11300 7600
Wire Wire Line
	11800 9400 11300 9400
Connection ~ 11300 9400
Text Notes 1350 800  0    50   ~ 0
Bank 0
Text Notes 1350 3050 0    50   ~ 0
Bank 1
Text Notes 1350 5350 0    50   ~ 0
Bank 2
Text Notes 1350 7600 0    50   ~ 0
Bank 3
Text GLabel 1050 10050 0    50   Input ~ 0
MA[0..8]
Wire Bus Line
	1050 10050 1550 10050
Text GLabel 1050 10300 0    50   3State ~ 0
MD[0..7]
Wire Bus Line
	1050 10300 1550 10300
Text GLabel 1300 2400 0    50   Input ~ 0
MDP_IN
Text GLabel 2250 2400 2    50   Input ~ 0
MDP_OUT
Text GLabel 1300 2200 0    50   Input ~ 0
~MWE~
Text GLabel 1100 8800 0    50   Input ~ 0
~RAS3~
Text GLabel 1350 8900 0    50   Input ~ 0
~CAS3~
Text GLabel 1350 6650 0    50   Input ~ 0
~CAS2~
Text GLabel 1100 6550 0    50   Input ~ 0
~RAS2~
Text GLabel 1350 4350 0    50   Input ~ 0
~CAS1~
Text GLabel 1100 4250 0    50   Input ~ 0
~RAS1~
Text GLabel 1100 2100 0    50   Input ~ 0
~CAS0~
Text GLabel 850  2000 0    50   Input ~ 0
~RAS0~
$EndSCHEMATC