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First, connect to the console and use CTRL-P (it seems that you have
to use CTRL-P twice) to enter the comBIOS monitor and set
ConSpeed=9600.  Disconnect and reconnect with at 9600 baud.  (e.g. tip
usbcuw4_9600)

> set ConSpeed=9600

Boot the node.  When the flash will not boot it falls back on 
PXE boot, and should succeed.  If the flash is bootable but you 
want to PXE boot anyway, enter the comBIOS monitor and do:

> boot F0

It will drop into single user after boot.  The root filesystem is
on cuw at /exports/cuwpxe/root, so place the image you want to
flash in there.  You can then dd the flash.  Boot once to change 
the ConSpeed back to 19200, then reboot normally.

# dd if=/staboot.img of=/dev/rwd0d bs=8k

You must use an image built for the net4526 geometry if you are
flashing a Soekris board. If you are flashing a Sandisk 64MB card you
must use the sandisk64 geometry image. If you are flashing some other
kind of card you need to get the disk geometry right and do a custom
build.

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