| Bios name |
Remarks |
| MS51S004 |
Initial Bios. |
| MS51S005 |
Date code: 03/01/2002 checksum: 0100H Fixed showing 1 bank of ram when 2 bank of ram installed. |
| MS51S006 |
Date code: 05/18/2002 checksum: 1800H Fix P4 Celeron 1.7G show as Pentium 4 1.7GHz. |