8-pin atx

Forum discussion tagged with 8-pin atx.
  1. Tamramsy

    [SOLVED] Old power supply with 4-pin CPU connector powers just fine, new one with 8-pin CPU connector gives red CPU light and no POST.

    The old power supply was pulled from an old office PC, the new one is a thermaltake toughpower gf1 650w. Whenever I power on the PC with the new PSU (8-pin ATX CPU connector) it won't POST and gives me a red light on the motherboard indicating a problem with the CPU. The old PSU (4-pin ATX CPU...