Problem No2:
Like I mentioned, if I use the Marvell controller I can install Windows (only tried Vista32 & Vista64). Everything seems to be in working order until I go and install drivers. The combination of the latest Audio drivers (Sigma something, the intergrated audio chip) and Catalyst (7.2, 7.3 with and without CCC) just gives me BSOD's till I drop. I haven't seen so many BSOD's since WinME, no trouble in safe mode though.
So I can either install the audio's latest drivers, and use the MS-supplied driver for the x1600. Or use the latest Catalyst, and use the default Vista32/64 audio driver.
The board is a rev.505, came with BIOS2333, but I upgraded it to the latest (2674) in hope of solving this. No luck though.
I haven't even got the chance of tweaking/OC'ing the hardware. I've got the QX6700 at 266FSB and 12X multiplier (3.20 GHz) and I'm running the 266/800 strap with 4-4-4-12 timings at 2.16/2.20V. I guess that's a small OC, never ran it at stock speeds hihi. I have disabled all watchdog-like features, although I can still see the multiplier go down in CPUZ when I'm doing nothing (the time I got it stable before updating the sound driver)
Now, my question. Is this something that more of you have experienced. Or is my mobo a lemon?
I tried to give as much info as possible (all by heart, at work now where there's a working computer at my disposal

) I hope some of you have some things I can try.
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