I recently built a high end system and until I added an AGP card, I had no problems. Since then, I have had nothing but problems. Original specs: ASRock G Pro motherboard (latest BIOS), Intel 2.4 GHz 533 FSB CPU, 256 MB Lifetime RAM, Windows XP SP1, DigitalDoc5 thermal sensor, 420W PS. I built the system and everything was fine, but when I went to add a Ti4600 AGP card (that ASRock says will work on the board) I began getting random STOP errors – 0A, 7F, … After replacing the motherboard and RAM and reformatting and reinstalling the OS, everything was working fine except that the BIOS was showing 1.8 GHz @ 100 bus instead of 2.4 @ 133 bus. After changing BIOS settings, I now get the STOP errors again. But I also noticed that the DigitalDoc5 would show a real quick power spike right when the STOP error occurs. Is this normal for a STOP error, or do I have a bad power supply or a bad CPU?
