The only PSU-related thing left (if your PSUs are known-good) is negative voltages. Do your PSUs supply -5V and -12V? If not that could conceivably be what the seller is referring to. Not at all sure that's the case. I have the uATX version of this board and has never refused any PSU I threw at it …

If it's an i815 your 866 should work. Have you tried: - resetting cmos - another stick of PC-133 SDRam - with an AGP or PCI VGA - check individual components on another M/B. I am not sure the PSU is really the culprit here. Have you tried the PSU on another mainboard? - I did reset cmos - yes, the …

First of all, hello to all and sorry that my first topic on here is a pathetic cry for help but there you go. I need help with a socket 370 mb and a psu This is the board in question. https://microdream.co.uk/compaq-deskpro-en-socket-370-agp-motherboard-187498-001-010630-101.html#.Xl60dKgzZjE Anyone …