Writing Linux preinstalled image for RouterBOARD 500 series boards

Summary:
The instructions and files below enable a user to write a Linux image to a
CF (using Windows or Linux) that will boot on a RouterBOARD 500 series.
The given images have been tested working on the RouterBOARD platform.
Note that MikroTik does not provide support service for these distributions.

Requirements:
- CompactFlash or MicroDrive drive with at least 128MB
- USB flash reader
- image writing utility for Windows (download here) or standard Linux image
  writing utility (dd)
- Linux image (download here)

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Warning: These commands are potentially dangerous as they allow you to
overwrite your system disk unintentionally, so please double-check the 
destination disk. In no event shall MikroTik be liable for any damages caused
by improper use of low-level disk write utilities or the given Debian GNU/Linux
distribution images.

Note: The PhysDiskWrite utility is written by Manuel Kasper <mk@neon1.net> 
as part of his m0n0wall project ( http://www.m0n0.ch/wall/ ). It is not required 
that you use this utility to write CompactFlash (but it is the only one that was
tested by us), so you can use any other that can write on a medium raw image of
a disk (like 'dd' utility for UNIX/Linux does)

See the homepage of the Debian GNU/Linux project for more information and
documentation: http://www.debian.org/
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To write CF:
For Linux - use the command
dd if=[image filename] of=[CF block device]

For Windows - use the PhysDiskWrite program:
physdiskwrite [image-file]

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Note that to boot from the newly written CompactFlash, you will have to set BIOS
to do that, as it is booting from the onboard NAND by default.

Connecting to Debian:
- set a terminal to 115200 (8 bata bits, 1 stop bit, no parity) baud and
connect with a serial null-modem cable
- username: root ; password: root