A70x

= Identification =

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


 * Model Number: A70X
 * Build Number: A70X 4.2.2 JDQ39 20131119 release-keys

= Sunxi support =

Current status
Not supported as u-boot patch is missing.

Manual build

 * For building u-boot, use the "" target.
 * The .fex file can be found in sunxi-boards as a70x.fex

Everything else is the same as the manual build howto.

= Tips, Tricks, Caveats =

FEL mode
The rear button triggers FEL mode, You need UART connected, Send "2" over the serial link, by holding down "2" on your keyboard.

Meminfo
Running a10-meminfo-static returned: dram_clk         = 360 dram_type        = 3 dram_rank_num    = 1 dram_chip_density = 2048 dram_io_width    = 16 dram_bus_width   = 32 dram_cas         = 9 dram_zq          = 0x12b73b7f dram_odt_en      = 0 dram_tpr0        = 0x42d899b7 dram_tpr1        = 0xa090 dram_tpr2        = 0x22a00 dram_tpr3        = 0x0 dram_emr1        = 0x4 dram_emr2        = 0x10 dram_emr3        = 0x0

But no patch was apparently ever sent into the mailing list.

= Adding a serial port (voids warranty) =

Device disassembly
Insert your plastic tool between the front and back covers, and push the back cover outwards, you should soon hear the clips pop. Start at the corner nearest the loudspeaker.

Locating the UART
The UART pads are located next to the SOC. Solder on some wires according to our UART howto.

Additionally the pads circled in yellow are in slightly different positions on some later versions of the board. They are sometimes screen printed SCK and SDA- Possibly i2c?

= Pictures =

= Also known as =


 * This device is often sold as the "Q88 Pro".
 * Eken X70

= See also =