MSI have released new bios files for their Motherboards! Hit read more for the full List.

MSI 845 Pro2-C (MS-6562 v1.x) 1.1

MSI 845 Pro2/-R (MS-6528 v1.0) 1.5

MSI 845 Ultra-ARU (MS-6398 v1.0) 3.4

MSI 845 Ultra-C (MS-6566 v1.0) 1.2

MSI 850 Pro5 (MS-6545 v1.0) 1.6

MSI MS-6524 (MS-6524 v1.x) 1.3

MSI MS-6526 (MS-6526 v2.x) 3.1

MSI MS-6534 (MS-6534 v1.0) 1.4

Please recheck the BIOS versions and the accompanying motherboard. Only flash when necessary.