Not sure what caused the treachery, but figured I'd tell you guys just in case you wanted to try SP2
This was on my regular desktop, running the Gigabyte MA790GP-DS4H (F3).
Totally plain system, using IGP, Phenom 8750, 4GB 1066, Vista 32 SP1. Only thing NOT bone stock was AMD RAID 1 (2xWD 320s)
The system was running fine, but as I have a technet subscription, I figured I must be smart and should try SP2
Well, it caused TOTAL THERMONUCLEAR MELTDOWN!!!
I ran the standalone installer, and halfway through the installation, the screen went dark and the monitor went into standby. This could have been nothing, but alas, it stayed there for 10 minutes. I then rebooted, and lo and behold, the screen was still black. Argh. Rebooted again, and I got the windows boot options screen, selected normal startup (thinking that SP2 installer would continue), and screen went black. Tried Safe mode too, but No video either. But wait, it gets Much more interesting.!
This cycle went on for a couple more times, but then I got a new screen that said "Service Pack 2 did not install correctly, changes will be reverted". HOPE has returned...... NOT!
After that reboot, black screen, then another reboot, chkdsk with zillions of errors, then reboot, then black screen,... etc. etc. etc... You get the picture. I tried shutting off RAID in BIOS, hoping the single disk would stand a chance, NOT. More chkdsk, more reboots, more black screens.
Story's not over yet, installed a new disk, did a clean install of vista on it, when it went for its first restart after copying windows files, THAT disk went into chkcsk, with a zillion errors. Then the machine wouldn't boot at all.
Tried again with another disk, which finally booted. Turns out that BOTH original disks in the RAID1 set were both TRASHED, signatures destroyed, and Boot partitions annihilated. Fortunately, 1 of them still had my D: partition in it where I keep most of my data, so I was able to salvage it. I was also able to scavenge some of the C: partition data on that disk as well with some tools.
End of story is, that I decided to completely zero out both original disks, and did a complete rebuild putting it back to plain Vista SP1 with a RAID1 pair.
So, not sure whether it is an AMD RAID problem, an SP2 problem, an installer problem, Cat drivers or AMD motherboard drivers... But either way, a painful experience.!!!
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