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- Wed Oct 15, 2003 2:48 pm
- Forum: Video (VGA) and other BIOS/Firmware
- Topic: output on address 0x3BB doesn't work on new PCs (BIOS ?)
- Replies: 2
- Views: 4198
output on address 0x3BB doesn't work on new PCs (BIOS ?)
hi all i've got an isa card that "maps" itself at 0x3B8-0x3BB and communicates w/ an application (16 bit, under WFW 3.11) through these addresses. It works perfectly on old PCs (486, first penthiums): i'm able to read/write at those addresses with in/outport and with debug. On newer hardware (Penthi...