4W4SB0X0 BIOS Motherboard part numbers 4000402, 4000418, 4000432, 4000434, 4000446, 4000423, 4000472, 4000484, 4000485, 4000501, 4000502, 4000504, 4000509, 4000510, 4000532, 4000533, and 4000585 Which BIOS do I Have?   How to Download and Extract files   Latest Revision Filename Size Date Description 7506529.exe 606 KB 10/99 BIOS update 4W4SB0X0.15A.0015.P10 Latest Windows 2000 BIOS, Microsoft certification pending Older Revisions 7505093.exe 352 KB 6/99 BIOS update 4W4SB0X0.15A.0013.P08 Filename Size Date Description 7504971.exe 390 KB 3/99 4W4SB0X0.15A.0012.P07 BIOS update 7504689.exe 414 KB 11/98 4W4SB0X0.15A.0006.P04 BIOS update

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