Report correct S3 Trio64V2/DX revision ID #3906
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Doesn't seem to affect much, but we might as well fix it.
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Summary
This reports the correct revision ID for the S3 Trio64V2/DX at least for a specific onboard chip. This is reported over PCI and extended S3 registers.
I attempted this because I was trying to convince Windows 95 to detect the card, but it turned out it could still detect it anyway and it just needed some encouragement. Still, might as well get another thing right.
Checklist
References
Trio64V+ reference manual + testing on real hardware.