well, /dev/mem let me only access real memory, not the adress space of the pci cards ....
I positive that you CAN in fact access pci card address space via /dev/mem, because this is how XFree86 does it when it's running in non accelerated cards.
in the end, i used ltsp to boot from network ( i didn't go that smoothly ... )
and I wrote a small kernel driver that looks for the pci card, and makes a '/dev/mem'-like char device that lets me access the pci card's memory.
Oh well, the kernel module approach is much cleaner anyway.
Gilad :-)
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