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Hello, Can any one plz guide me which address should I use in order to communicate with PC/104 bus for 8-bit I/O cycles.. From the manual I can see the Physical Address Region for 8 bit I/O cycle is 0x11E00000 thru 0x11E003FF but while I m trying to write to this location I get this... "Unable to handle kernel paging request at virtual address 81e00000" In my earlier attempt to write the HPI driver over PC/104 bus, I could write to the location by memory mapping the device.. but in my recent pgm I am not getting hold on that.. If any one can share Kernel Mode driver for PC/104 bus would be great help.. Thanks in Advance, Manish.
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