Olimex Open Source Hardware Embedded ARM Linux Single board computer with dual core, dual GPU ALLWINNER A20 CORTEX-A7 A2 A20-OLinuXino-MICRO 数据表
产品代码
A20-OLinuXino-MICRO
OLIMEX© 2013
A20-OLinuXino-MICRO user's manual
4. The board might enter sleep mode very fast (especially if the Android was turned off without the
“Quick Boot” mode being ticked on). Try pressing or holding down the PWR_BUT for a couple of
seconds to wake it up.
“Quick Boot” mode being ticked on). Try pressing or holding down the PWR_BUT for a couple of
seconds to wake it up.
Q: How do I write the Linux image to a micro SD card to use with my A20 board?
A: To write a Linux image to an SD card under Windows we use Win32 Disk Imager:
A: To write a Linux image to an SD card under Windows we use Win32 Disk Imager:
Download Win32 Disk Imager software
Insert card
Start program
Select file
Click "write"
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:
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
or
or
# cp debian_2g.img /dev/sdX
where X is the uSD card.
Q: How to detect and enable the Ethernet controller (if it is disabled by default)?
A: You can enable it by following these two steps:
A: You can enable it by following these two steps:
1. To check under what name the LAN is associated write "ifconfig –a"
2. If, for example, it is under eth0 name, then write: "dhclient eth0"
This should enable the Ethernet and then SSH would also be available.
You can also enable auto detection of Ethernet on power-up by uncommenting #auto eth0 in
/etc/network/interfaces in the Linux image.
/etc/network/interfaces in the Linux image.
Q: How to generate boot-able SD-card Debian Linux image for A20-OLinuXino?
Follow our blog post with step by step instructions (at link:
Follow our blog post with step by step instructions (at link:
) note that Linux-Sunxi Kernel is a work-in-
progress, this means you can try the current stage/sunxi-3.4 branch but if something is broken and
doesn't work just revert to the git tags we give in the blog and they should work for sure.
doesn't work just revert to the git tags we give in the blog and they should work for sure.
To write the images on the SD card you will need PhoenixSuit and to follow these steps:
•
Install and run PhoenixSuit.
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