Locate the clear coin-cell on the motherboard. Remove the battery using a small flathead screwdriver.
This "top" modded BIOS is highly sought after because it transforms the MR9A PRO, offering several key features missing from the stock firmware:
Stock Intel behavior drops the CPU clock speed as more cores are utilized to keep power draw low. The Turbo Boost Unlock replaces the CPU microcode loaded by the BIOS during boot with an empty or modified driver payload. Combined with a voltage offset (undervolting), the CPU maintains its highest possible clock rate across all cores under full load without hitting thermal or power walls. The Risk and General Process
The Machinist X99 MR9A Pro is a popular, budget-friendly LGA2011-3 motherboard used for building affordable workstations and gaming PCs using Intel Xeon E5 V3 and V4 processors. Maximizing the performance of this Chinese motherboard requires a deep dive into its BIOS settings. machinist x99 mr9a pro bios top
Enable this option if you are using cheap DDR4 ECC Registered server memory. Disable it for standard desktop RAM. 3. Power and CPU Management
Are you currently trying to resolve a (like sleep mode or RAM speed), or are you aiming for a performance unlock ?
If you experience instability after tweaking settings or flashing: Locate the clear coin-cell on the motherboard
The most recent stable official BIOS version, as seen in hardware probes, is v5.11 , with a release date of April 29, 2023 . This version is generally pre-installed on newer revisions of the board and ensures broad compatibility with standard Xeon E5 v3/v4 CPUs. For most users looking for a stable, "plug-and-play" experience, this is the recommended starting point.
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is a popular budget LGA 2011-3 motherboard that has garnered a reputation for its excellent price-to-performance ratio, particularly when paired with Xeon E5-2600 v3/v4 processors . While the hardware is robust, the stock BIOS is often criticized for being basic, lacking, and "janky". The Turbo Boost Unlock replaces the CPU microcode
The Pro version includes dedicated headers with PWM support, though this is often restricted to the CPU fan. The Technical Trade-offs
: Natively supports Intel Xeon E5 v3 and v4 series and 5th/6th Gen Core i7 processors.
If Windows 11 states your PC is unsupported, ensure Secure Boot is enabled in the BIOS, and check if Intel PTT (Platform Trust Technology) can be toggled on to emulate TPM 2.0. Note that many older Xeon CPUs are still officially omitted from Microsoft's list, requiring a bypassed Windows installer.