diff --git a/systems/rockchip_rk33xx/extra-files/boot/extlinux/extlinux.conf b/systems/rockchip_rk33xx/extra-files/boot/extlinux/extlinux.conf
index 04303710..a5527a2d 100755
--- a/systems/rockchip_rk33xx/extra-files/boot/extlinux/extlinux.conf
+++ b/systems/rockchip_rk33xx/extra-files/boot/extlinux/extlinux.conf
@@ -1,18 +1,76 @@
 TIMEOUT 30
 
-DEFAULT linux
+#DEFAULT linux-pinebook-pro
+#DEFAULT linux-box
+#DEFAULT linux-box-25mv
+DEFAULT linux-box-50mv
+#DEFAULT linux-h96max-rk3318
+#DEFAULT linux-h96max-h2
+#DEFAULT linux-t9
+#DEFAULT linux-mx10
  
-MENU TITLE rockchip rk3328 tv box boot options
- 
-LABEL linux
-      MENU LABEL linux
+MENU TITLE rockchip rk33xx boot options
+
+# pinebook pro
+LABEL linux-pinebook-pro
+      MENU LABEL linux on pinebook pro
+      LINUX ../Image-KERNEL_VERSION
+      INITRD ../initrd.img-KERNEL_VERSION
+      FDT ../dtb-KERNEL_VERSION/rk3399-pinebook-pro.dtb
+      APPEND console=ttyS2,1500000n8 console=tty0 root=ROOT_PARTUUID rootwait ro fsck.fix=yes fsck.repair=yes net.ifnames=0 ipv6.disable=1 noresume
+
+# rk3328 tv box (for example h96max rk3318 tv box)
+LABEL linux-box
+      MENU LABEL linux on rk3328 tv box
+      LINUX ../Image-KERNEL_VERSION
+      INITRD ../initrd.img-KERNEL_VERSION
+      FDT ../dtb-KERNEL_VERSION/rk3328-box.dtb
+      APPEND console=ttyS2,1500000n8 console=tty0 root=ROOT_PARTUUID rootwait ro fsck.fix=yes fsck.repair=yes net.ifnames=0 ipv6.disable=1 noresume
+
+# rk3328 tv box with 25mv extra cpu voltage
+LABEL linux-box-25mv
+      MENU LABEL linux on rk3328 tv box with 25mv extra cpu voltage
+      LINUX ../Image-KERNEL_VERSION
+      INITRD ../initrd.img-KERNEL_VERSION
+      FDT ../dtb-KERNEL_VERSION/rk3328-box-25mv.dtb
+      APPEND console=ttyS2,1500000n8 console=tty0 root=ROOT_PARTUUID rootwait ro fsck.fix=yes fsck.repair=yes net.ifnames=0 ipv6.disable=1 noresume
+
+# rk3328 tv box with 50mv extra cpu voltage (for example t9 rk3328 - not the rk3318 version)
+LABEL linux-box-50mv
+      MENU LABEL linux on rk3328 tv box with 50mv extra cpu voltage
       LINUX ../Image-KERNEL_VERSION
       INITRD ../initrd.img-KERNEL_VERSION
-      # t9 rk3328 tv box (not the rk3318 version)
       FDT ../dtb-KERNEL_VERSION/rk3328-box-50mv.dtb
-      # h96max rk3318 tv box
-      #FDT ../dtb-KERNEL_VERSION/rk3328-box.dtb
-      # everything below will require a different boot block
-      # h96max h2 rk3328 tv box
-      #FDT ../dtb-KERNEL_VERSION/rk3328-h96max.dtb
+      APPEND console=ttyS2,1500000n8 console=tty0 root=ROOT_PARTUUID rootwait ro fsck.fix=yes fsck.repair=yes net.ifnames=0 ipv6.disable=1 noresume
+
+# h96max rk3318 tv box
+LABEL linux-h96max-rk3318
+      MENU LABEL linux on h96max rk3318 tv box
+      LINUX ../Image-KERNEL_VERSION
+      INITRD ../initrd.img-KERNEL_VERSION
+      FDT ../dtb-KERNEL_VERSION/rk3318-h96max.dtb
+      APPEND console=ttyS2,1500000n8 console=tty0 root=ROOT_PARTUUID rootwait ro fsck.fix=yes fsck.repair=yes net.ifnames=0 ipv6.disable=1 noresume
+
+# h96max h2 rk3328 tv box - this will require a different boot block
+LABEL linux-h96max-h2
+      MENU LABEL linux on h96max h2 rk3328 tv box with special boot block
+      LINUX ../Image-KERNEL_VERSION
+      INITRD ../initrd.img-KERNEL_VERSION
+      FDT ../dtb-KERNEL_VERSION/rk3328-h96max.dtb
+      APPEND console=ttyS2,1500000n8 console=tty0 root=ROOT_PARTUUID rootwait ro fsck.fix=yes fsck.repair=yes net.ifnames=0 ipv6.disable=1 noresume
+
+# t9 rk3328 tv box - untested, not the rk3318 version
+LABEL linux-t9
+      MENU LABEL linux on t9 rk3328 tv box
+      LINUX ../Image-KERNEL_VERSION
+      INITRD ../initrd.img-KERNEL_VERSION
+      FDT ../dtb-KERNEL_VERSION/rk3328-t9.dtb
+      APPEND console=ttyS2,1500000n8 console=tty0 root=ROOT_PARTUUID rootwait ro fsck.fix=yes fsck.repair=yes net.ifnames=0 ipv6.disable=1 noresume
+
+# mx10 rk3328 tv box - untested
+LABEL linux-mx10
+      MENU LABEL linux on mx10 rk3328 tv box
+      LINUX ../Image-KERNEL_VERSION
+      INITRD ../initrd.img-KERNEL_VERSION
+      FDT ../dtb-KERNEL_VERSION/rk3328-mx10.dtb
       APPEND console=ttyS2,1500000n8 console=tty0 root=ROOT_PARTUUID rootwait ro fsck.fix=yes fsck.repair=yes net.ifnames=0 ipv6.disable=1 noresume