This board uses a Legacy BIOS , not UEFI. This creates compatibility issues with newer graphics cards (like the NVIDIA GTX 700 series or newer), which typically require a UEFI-compliant BIOS to boot. Notable Versions & Compatibility BIOS Version Key Details 5.xx
Before diving into the BIOS, let’s clarify what this board is. The MS-7613 (version 1.1) is a micro-ATX motherboard manufactured by MSI but sold primarily through OEM channels. It is commonly found in: ms-7613 ver 1.1 bios
A: Normal behavior. The BIOS retrains memory and re-enumerates PCIe devices after a flash. This board uses a Legacy BIOS , not UEFI
The ICH7 southbridge does not natively support AHCI in many early BIOS versions—only IDE mode. This cripples SSD performance. Some later BIOS revisions unlock AHCI, boosting random read/write speeds significantly. This board uses a Legacy BIOS