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MERCURY127

Win9x vs GTX 1070 - VDD initialization crash, protection error

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Have some news... Very bad news. 

I try trace and debug Windows loading process in softice. 

I found, that machine always crash on address c000:ffff, executing random instruction from ff's or other bytes.

It's see as if some int 10h interrupt function was called from vxd code, and wrong vbios code flow was executed, cause no return issue... 

But main problem that, even we find, what exactly code in vbios cause fault, and even if we can fix it, we can't do patch for vbios, because Pascal firmware is signed, and there is no known tools for modding... :(

Edited by MERCURY127

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C000-CFFF is a typical SCSI BIOS address. Perhaps try in system.ini

[386Enh]
EMMExclude=C000-FFFF - There still can just be enough free memory below C000

Edited by Goodmaneuver

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