Model: BIOS, P6ISA-II PCB 1.0x, Version 1.0a
Operating System: (Note: might work with other versions of this os.)
IMPORTANT NOTE: Please check the revision of your motherboard found stamped on your motherboard next to the model of you board and check the current BIOS version to assist you in the BIOS file selection before you choose a file. If your original BIOS version is 1.X, that means your system is 4Mb BIOS. If your original BIOS version is 2.X, that means your system is 2Mb BIOS.