post4d5V PCI interface (not compatible with ALIX.1C ALIX.1D). During power on self-test (POST), most PC BIOSes will write diagnostic codes to port 80h or port 84h (jumper selection). Use post4dI’ve sned up for Asus’s forums but that requires A 24-hour waiting period. Cool. yes found out that it was in the OEM Post Memory range but i also get the red cpu led that stays on so i think