Intel 845 chipset (845+ICH2, Pentium 4, Socket 478, SDRAM) ATX Award BIOS (1)80820IAG.BIN BIOS for (845+ICH2), SDRAM, PCB Version [100Y532A] ONLY (Aug/2001 built core) (2)80129IAG.BIN BIOS for (845+ICH2),SDRAM, PCB version [200Y532A] and OTHERS (Jan/2002 built core) .2MBit Firmware Hub *** Important *** Please identify the PCB Version before updating the BIOS. BIOS for different PCB versions are NOT interchangeable Jan/2002