Open Source Hardware Embedded ARM Linux single board computer with Allwinner A20 dual core CORTEX-A7 1GB RAM and Gigabit Ethernet
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10 - 49 pcs
50 - 10000 pcs
A20-OLinuXino-LIME2 is OSHW certified Open Source Hardware with UID BG000039
Upgraded and improved version of A20-OLinuXino-LIME with double the RAM and Gigabit Ethernet We offer several variants of this board. Aside from the base version we offer a variant with extra eMMC or NAND flash memory (suffix -e4G, -e16G, or -n8G); we have a variant with 16MB SPI flash memory (suffix -s16M). We also have variants of the board suitable for industrial temperature range of operation (-40+85)C - these come with the "T2" chip and have "-IND" suffix in the name.
Allwinner A20/T2 dual core Cortex-A7 processor, each core typically running at 1GHz and dual-core Mali 400 GPU
1GB DDR3 RAM memory
8GB NAND flash memory option (in A20-OLinuXino-LIME2-n8GB)
4GB or 16GB eMMC flash memory option (in A20-OLinuXino-LIME2-e4GB or A20-OLinuXino-LIME2-e16GB)
16MB SPI flash option (-s16MB suffix)
Commercial temeprature range (industrial temeprature range option for -IND variants)
Native SATA support with connector and 5V SATA power jack
Capable of FullHD (1080p) video playback
Native HDMI support with connector
2 x USB High-speed host with power control and current limiter
USB-OTG with power control and current limiter
1000MBit native Ethernet
LiPo Battery connector with battery-charging capabilities
LCD row of pins (0.05'' step)
160 GPIOs on four GPIO rows of pins (0.05'' step)
MicroSD card connector
DEBUG-UART connector for console debug with USB-SERIAL-CABLE-F
Battery charge status LED
2KB EEPROM for MAC address storage and more
3 BUTTONS with ANDROID functionality + RESET button
4 mount holes
5V DC input power supply jack, noise immune design
I am an inexperienced user and I'm afraid to mess up initially. What are the most common errors in the initial start-up of the board?
The best idea is to download the latest Debian or Android image from the wiki and to pay attention if it is for microSD card or the NAND memory. After that ensure the image is properly written to the SD card or the NAND memory. Finally, if you are experiencing video output problems, ensure the image is set with the proper settings for the display/monitor you are going to use. Double check if the power supply is sufficient (especially if powering a display from the board).
Can I use the Linux or Android image for A20-OLinuXino-LIME or A10-OLinuXino-LIME instead of the one for A20-OLinuXino-LIME2?
No. Both Debian and Android images are specfic for each board. Make sure the image that you download and use is specifically marked as suitable for A20-OLinuXino-LIME2. The prepared cards which we sell for the board are also different.
Hello, I made a shield for my LIME board. I now own a LIME2 board. Can I use the shield with the LIME2 design?
No. The LIME2 design swaps the signals of each row of each 0.5" step header. All four GPIO headers and the LCD header are affected. Shields made for LIME boards can't be connected directly to a LIME2 board.
What do I need to connect one of the Olimex-made displays to the board?
A suitable ribbon cable with 0.05" step connectors.
I bought a supported LCD and the required cables but when I connect it to the A20-OLinuXino-LIME2 I receive no image on the display. What do I do wrong?
The default A20-OLinuXino-LIME2 Debian image is set for HDMI output and HD resolution. To use LCD or lower the resolution you would need to start the shell script in the default Debian image.
What is the operating temperature range of A20-OLinuXino-LIME2?
The board works in the commercial temperature range 0+70C.