Gemei G9
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| Gemei G9 | |
|---|---|
 | |
| Manufacturer | Gemei Technologies (Defunct) |
| Dimensions | 244mm x 187mm x 12mm |
| Release Date | February 2012 |
| Website | |
| Specifications | |
| SoC | A10 @ 1Ghz |
| DRAM | 1GiB DDR3 @ 432MHz/480MHz (4x NT5CB256M8DN-CG) |
| NAND | 16GB (2x Micron MT29F64G08CBAAAWP MLC) |
| Power | DC 5V @ 3A, 8000mAh 3.7V Li-Ion battery |
| Features | |
| LCD | 1024x768 (9.7" 4:3) (LG LP097X02-SLQ2) |
| Touchscreen | 10-finger capacitive (Goodix GT801 2+1) |
| Video | HDMI (Type C - mini) |
| Audio | 3.5mm headphone plug, HDMI, internal stereo speakers, internal speaker, internal microphone |
| Network | WiFi 802.11 b/g/n (Realtek RTL8188CUS) |
| Storage | µSD |
| USB | 1 USB2.0 Host, 1 USB2.0 OTG |
| Camera | 1.3MP (1280x1024) front, 5MP (2560x1920) rear |
| Other | Accelerometer (Bosch BMA250) |
| Headers | UART |
Identification
In android, under Settings->About Tablet, you will find:
- Model Number: MID970
- Build Number: 03F2-P1-H1-H01-AH40.20120330
- Kernel version: 3.0.8+ inet_dada@InetSoftware #162
Sunxi support
Mainline status
u-boot supported since 2015.4
- Use
sunxi_Gemei_G9_defconfigtarget
Linux kernel supported since 4.1
sun4i-a10-gemei-g9.dts
Things todo
- Audio input (need A10 codec support)
- Battery management (axp209 powersupply driver)
- Camera interface (no CSI driver)
- NAND
- Touchscreen (no gt801_2plus1 driver)
- USB OTG (host mode part works)
sunxi-3.4 status
Somewhat supported. Wifi doesn't work
- The .fex file can be found in sunxi-boards as gemei_g9.fex.
Everything else is the same as the manual build howto.
Tips, Tricks, Caveats
Add MANUFACTURER DEVICE specific tips, tricks, Caveats and nice to have changes here.
FEL mode
The something button triggers FEL mode.
...
Adding a serial port (voids warranty)
Device disassembly
Remove the two screws on the connectors side. Gently pry the back cover off with your plastic tool.
Locating the UART
There are clearly labelled UART pads under the touchscreen cable. Just solder on some wires according to our UART howto.
