Pcduino8 A80 Board

The A80 Pcduino8 Board is the first commercially available board for the Allwinner A80 SoC. For most parts the Pcduino8 board is identical to the Merrii A80 Optimus board, however this one has NAND IC instead of EMMC.

= Identification =

The board has a clearly recognizable Pcduino beta label on it, and its white, a common PCB overlay color for all Pcduino products.

In android, under Settings->About Tablet, you will find:


 * Model Number: UltraOcta A80 OptimusBoard  (Its not a mistake. It actually reports a different board as the model)
 * Build Number: KOT49H

= Sunxi support =

Current status
Not supported yet.

Manual build

 * For building u-boot, use the "" target.
 * The .fex file can be found in sunxi-boards as

Everything else is the same as the manual build howto.

Mainline U-Boot
Not supported yet.

Mainline kernel
Not supported yet.

Use the device-tree file for the mainline kernel.

= Tips, Tricks, Caveats =

FEL mode
FEL mode yet to be found on the Pcduino8, one button acts as hard-reset, other one as power key(used in Android)

Android
It comes with Android 4.4.2 KOT49H, and 3.4 based kernel.

Partition Table
bootloader = /dev/block/nanda

env = /dev/block/nanda

boot = /dev/block/nandc

system = /dev/block/nandd

misc = /dev/block/nande

recovery = /dev/block/nandf

cache = /dev/block/nandg

metadata = /dev/block/nandh

private = /dev/block/nandi

UDISK(userdata) = /dev/block/nandj

Source Code
Kernel source:

A80 common device: https://github.com/skoperst/android_device_sunxi_kylincommon Pcduino8 device: https://github.com/skoperst/android_device_sunxi_kylinoptimus

How to compile CWM/AOSP based recovery for the device: . build/envsetup lunch kylin_optimus-eng make recoveryimage

= Adding a serial port =

The UART header is next to the Ethernet port. Use the provided UART cable.

= Pictures =

= See also =

Pcduino's guide to flashing android image: http://learn.linksprite.com/pcduino/quick-start/pcduino8/re-flash-android-image-to-pcduino8-beta/

Manufacturer images
Image provided by Pcduino(Should be used with PhoenixCard-309 method):

https://s3.amazonaws.com/pcduino/Images/8beta/Android/sun9iw1p1_android_optimus.img