Langcent h6s

= Identification =

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


 * Model Number: DEVICE
 * Build Number: SOC_BOARD_DEVICE_*.*

= Sunxi support =

Current status
Support has been added to sunxi-boards, but there is no u-boot patch.

Manual build specifics

 * For building u-boot, use the "MANUFACTURER_DEVICE" target.
 * The .fex file can be found in sunxi-boards as hd12-a20-v1.fex

Everything else is the same as the manual build howto.

= Tips, Tricks, Caveats =

Meminfo
ram_clk         = 360 dram_type        = 3 dram_rank_num    = 1 dram_chip_density = 4096 dram_io_width    = 16 dram_bus_width   = 16 dram_cas         = 9 dram_zq          = 0x7f 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

FEL mode
There is a button between DC-IN and SPDIF connectors that might trigger FEL mode. (UNVERIFIED)

= Adding a serial port (voids warranty) =



Device disassembly
There are no screws, only clips. Just turn the device upside down and push your plastic tool between bottom and top cover.

Locating the UART
There are RX and TX pads between the flash chip and the SoC. Just solder on some wires according to the UART howto.

= Pictures =

= Also known as =

= See also =