Official Images from OLIMEX
A20 Debian 4GB SD-card image release-2 with:
- Linux Kernel 3.0.0+
- XFCE4 desktop environment
- Mplayer CLI
- GCC 4.6
- 4.3"(480x272), 7"(800x480) and 10" (1024x600) LCD and touchscreen support
- USB WIFI RTL8188CU, Ethernet AX88772B
- Audio (MIC and Headphones)
- Python 2.7
- A13-LCD 4.3″TS 4.3″ LCD with backlight and touchscreen 480×272 pixels
- A13-LCD7″TS 7″ LCD with backlight and touchscreen 800×480 pixels
- A10-LCD10″TS 10.1″ LCD with backlight and touchscreen 1024×600 pixels
- Micro SD card
- SD/MMC card
- OTG USB
- HIGH SPEED HOST1 USB
- HIGH SPEED HOST2 USB
- ETHERNET 100MBIT
- Audio IN
- Audio OUT
- Default Login: root/olimex
Note: the A20-Debian-SD card which we have on our webshop contain same image on 4GB Class10 fast micro sd-card, if you want to use this image please use Class10 fast card or the performance of Linux will slow down
A20-OLinuXino-MICRO preliminary Android NAND image
A20-SDK torrent for building Android images
A20-OLinuXino-MICRO and A20-OLinuXino-MICRO-4GB basic dimensions in mils: image in PNG format
To update the Android image (located on the NAND) you need the PhoenixSuit program (and not LiveSuit as in A13 and A10s boards).
To write a Linux image to an SD card under Windows you might use Win32 Disk Imager: Win32 Disk Imager Win32 Disk Imager
NOTE! The default username/password combination is root/olimex
Q: How to download new Android image to the NAND memory of my A20 board?
A: To repair the image on the NAND re-upload it following these steps:
- 2. Go to firmware tab of the program and point to a valid Android image (the latest official one may also be downloaded above).
- 3. Disconnect the power supply and USB cable from the A20 board.
- 4. Make sure NAND_E jumper is closed.
- 5. Press and hold RECOVERY button, apply power supply (6-16)V, release RECOVERY button.
- 6. Connect USB cable to the mini USB connector.
- 7. You will be asked for drivers for the bootloader. Navigate to the folder where you extracted the PhoenixSuit and install the drivers from the respective executables (or manually point the installer to the drivers folder in the PhoenixSuit installation path).
- 8. PhoenixSuit will detect the board and would ask for the method of writing the image. Choose method of writing the image and confirm your wish to write the image.
- 9. Wait till upgrade succeeds
Q: How do I upload a Linux image to an SD card which I want to use with my A20 board?
A: To write a Linux image to an SD card under Windows we use Win32 Disk Imager:
- Download Win32 Disk Imager Win32 Disk Imager
- Insert card
- Start program
- Select file
- Click "write"
To write a Linux image to an SD card under Linux:
For instance you have an image with the file name of "debian_2g.img". It would be downloaded to the SD card connected to a Linux machine using one of the following commands:
- # dd bs=4M oflag=sync if=debian_2g.img of=/dev/sdX
- # cp debian_2g.img /dev/sdX
where X is the uSD card.