MarsBoard A20

The MarsBoard was a short-lived credit-card sized, extendable board with an Allwinner A20 SoC.

= Identification = The board reads "www.MarsBoard.com" on top, and has an A20 SoC clearly visible.

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


 * Model Number:
 * Build Number:

= Sunxi support =

Current status
Supported

Manual build

 * For building u-boot, use the "Marsboard_A20" or "Marsboard_A20_debug" target.
 * The .fex file can be found in sunxi-boards as

Everything else is the same as the manual build howto.

Mainline U-Boot
For building mainline u-boot, use the "" target.

Mainline kernel
Use the device-tree file for the mainline kernel.

= Tips, Tricks, Caveats =

FEL mode
The button triggers  FEL mode.

= Adding a serial port (voids warranty) =



Locating the UART
On the P2 header, pins 64, 65 and 66 are ground, TX and RX, respectively. Attach some 2.0mm pitch leads according to our UART howto.

= Pictures =

= Also known as =

--

= See also =


 * MarsBoard Schematic V1.3.pdf
 * Homepage. Amazingly, no information on the Marsboard A20 is still available there. That's how shortlived this device was.
 * MarsBoard Forums (A10/A20)

Manufacturer images
Index of /marsboard