I have couple of these 109-63000-00 MAC cards + couple of Xpert 2000 Pro 32MB 64-bit cards.

Atiflash didn't want to read flash from MAC card, so though I was clever and replaced flash chip from Xpert 2000 to MAC-one.
Of course it wasn't so easy. As a result I have ATI Xpert 2000 Pro 8MB with 64-bit membus... I think MAC-card uses the whole 128-bit bus and now BIOS configures it to use only 64-bit and sees only half of the onboard 16MB. Clocks were 120/120 in Xpress 2000 Pro and it that seemes to work.

I tried one or two BIOS from http://www.vgamuseum.info/index.php/cpu/item/ … ti-rage-128-pro but none of them worked with my card - no post after flashing.

I have read many threads about the topic and most of them ends without solution. There is register MEM_BUS_WIDTH (0=64bit, 1=128bit). Before I try to locate it from BIOS dump, does someone have a file I could flash test?