2 x M.2 NVMe slots (Note: one may be incorrectly labeled as SATA). 1 x M.2 Wi-Fi/Bluetooth slot. Multiple PCIe 3.0 x16 and x4 slots. 6 x SATA 6Gb/s ports. BIOS Features & Optimization
Disable CSM (Compatibility Support Module) to enable UEFI-only booting for faster starts and NVMe support.
The Machinist X99 MR9A Pro is an affordable LGA2011-3 motherboard designed for Intel Xeon E5 v3/v4 processors. Its BIOS is a typical interface, often customized with a blue or grey background. The "Top Menu" refers to the horizontal bar at the top of the main BIOS screen.
This involves flashing a BIOS from a different but compatible motherboard, such as the Huananzhi X99-BD4. The community has reported that these boards are highly "crossflashable" because they share similar chipsets and hardware, and the firmware often works seamlessly on the MR9A Pro. This carries a higher risk of bricking your board , and certain functions like USB ports may not work properly afterward. Always have a hardware programmer ready for recovery. machinist x99 mr9a pro bios top
There are two ways. The easiest is to locate the JCMOS1 jumper on the motherboard, and short the two pins with a jumper cap or a screwdriver for about 10 seconds while the system is off and unplugged. Alternatively, you can remove the coin-cell CMOS battery for a few minutes before reinstalling it.
The Machinist X99 MR9A Pro motherboard offers a powerful foundation for building high-performance workstations or servers. By understanding its features and optimizing the BIOS settings, you can unlock the full potential of your system, achieving better performance, stability, and efficiency for your computing needs. Always refer to the official documentation and support resources for the most accurate and detailed information.
| Component | "Top" Setting (Performance) | Stable Daily Setting | | :--- | :--- | :--- | | | BCLK: 103MHz (3.0 GHz all-core) | BLCK: 100MHz (2.9 GHz stock) | | RAM (Samsung B-die) | 3200MHz @ 1.35V CL16 | 2666MHz @ 1.20V CL19 | | CPU Cache | 3.2 GHz @ 1.1V | 2.8 GHz @ 0.95V | | Fan Curve | Custom: 70% @ 60°C | Default: Silent | 6 x SATA 6Gb/s ports
Because the Machinist X99 MR9A Pro uses recycled server chipsets (often B85, C216, or Q87 masquerading as X99), you may encounter post-configuration hiccups. Systematic BIOS Reset (Clear CMOS)
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These settings are not visible in the standard BIOS. You will likely need to flash a modded BIOS that has unlocked the hidden IntelRCSetup menu, where these advanced PCIe configuration options are located. Its BIOS is a typical interface, often customized
: Enables voltage offset controls to reduce heat and power consumption.
The stock firmware is where the board's limitations become most apparent. The most significant grievances from the user community include:
supports quad-channel memory. To ensure you are running at maximum capacity: Navigate to > Memory Configuration .
The Machinist X99-MR9A Pro motherboard features a 6-phase VRM and quad-channel memory, but often requires BIOS modifications to unlock advanced features like memory timing adjustments or reliable sleep states. Users frequently employ cross-flashed BIOS versions, such as those for the Huananzhi X99-8M-F, and modified firmware to enable All-Core Turbo on Xeon E5 v3 processors. For comprehensive guides and BIOS modifications, consult GitHub - 0x8008/mr9a .