A typical MS-7613 BIOS string looks like: E7613MLN.10C or A7613MLN.20A . The last three characters indicate the revision.
Most HP BIOS installers for this motherboard are designed to run specifically within Windows 7 . If you are using Windows 10 or 11, you may need to run the installer in compatibility mode or use a temporary Windows 7 installation. How to Access and Manage BIOS ms-7613 ver 1.1 bios
A: No. That will almost certainly brick the board. The OEM BIOS has different hardware initialization routines, GPIO mappings, and ACPI tables. A typical MS-7613 BIOS string looks like: E7613MLN