Machinist X99 Mr9a Pro Bios Portable 📥
You can raise the Base Clock from 100MHz to 102-105MHz.
These CPUs are abundant on the used market, offering 10, 14, or even 18 cores for a fraction of the price of modern consumer chips. However, these processors were originally designed for servers. To make them sing in a desktop environment—supporting high-speed RAM, overclocking, and modern storage—requires a competent BIOS. machinist x99 mr9a pro bios
: Where you can manage Secure Boot and TPM settings, essential for Windows 11 compatibility. You can raise the Base Clock from 100MHz to 102-105MHz
| Setting | Value | | :--- | :--- | | | Enabled | | CSM | Disabled (UEFI mode) | | Boot Order | UEFI USB → UEFI OS (NVMe) | | SATA Mode | AHCI | | XMP | Profile 1 (or manual 2666MHz) | | CPU C-States | Enabled (for power saving) | | VT-d | Enabled (if using VMs) | | Fast Boot | Disabled (until stable, then enabled) | | Secure Boot | Disabled (Windows 10/11 will work without it) | To make them sing in a desktop environment—supporting
The Machinist X99-MR9A PRO is a popular choice for high-power Xeon-based builds due to its robust 10-layer PCB and strong VRM. However, its stock BIOS is often described as "janky," lacking support for sleep states and memory timing adjustments.
Flashing a BIOS on a Chinese motherboard can be risky. Unlike major brands that have robust recovery tools, a failed flash on a Machinist board can brick the motherboard.
A frequent issue with this board is NVMe drives not appearing in the Boot menu despite being detected in Device Manager. Use these steps to enable NVMe boot:


