ARISTO AM-235 Intel 845 chipset (845+ICH2, Pentium 4, Socket 478) ATX Award BIOS (1)80820IAG.BIN BIOS for (845+ICH2), PCB Version [100Y532A] (Aug/2001 built core) (2)80903IAG.BIN BIOS for (845+ICH2), PCB version [200Y532A] and later (Sept/2001 built core) .2MBit Firmware Hub *** Important *** Please identify the PCB Version before updating the BIOS. BIOS for different PCB versions are NOT interchangeable Sept/2001