First post, by Paar
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Hi. I made this system recently, with motherboard using VIA VP3 chipset (586B southbridge). I works pretty well and is quite speedy, but I have problem with Tyrian. This game freezes ingame after some time and no matter what I set in BIOS, the result is the same. Well, not always - it works fine with disabled SFX. Other games I tried work fine so far.
Tried:
1. Slowing down CPU.
2. Changed VGA card.
3. Changed sound card.
4. Reverted back to unmodified BIOS (I have modified it for proper UDMA mode detection in DOS).
Nothing helps. Tyrian is quite notorious for various problem with sound cards, perhaps it has problems with VIA chipsets too (I know that on some old 486 chipsets the sound doesn't work at all).
Any idea how to solve it, if it can be solved at all? Perhaps some TSR? Who knows what's happening, perhaps some DMA problem.