The Machinist X99-MR9A Pro BIOS mods are community-developed, unauthorized firmware aimed at unlocking features like all-core Turbo Boost, undervolting, and Resizable BAR support. Key resources for these modded files include the Miyconst website, specialized GitHub repositories like Koshak1013's Ultimate-X99-BIOS-Toolbox, and the Xeon-e5450.ru community. Due to the high risk of bricking, users must verify their board revision (v1.0, v2.0, or Max) and take a full backup of the existing BIOS before flashing. For a comprehensive overview and resources, visit the Miyconst review page.
Machinist X99 MR9A Pro is a enthusiast-grade Chinese X99 motherboard popular for its extensive, often "exclusive" BIOS features that allow for significant performance tuning of Intel Xeon E5 V3/V4 processors. AliExpress Key "Exclusive" & Advanced BIOS Features
: Set to Disabled . This ensures the system scans for all devices (like NVMe and peripherals) during every startup.
Keep this backup.bin file on a separate, external USB drive. 2. Flashing the Unlocked BIOS machinist x99 mr9a pro bios exclusive
One custom BIOS builder offers a “Custom BIOS for MACHINIST X99-MR9A PRO MAX motherboard [ready for Resizable BAR (AMD Smart Access Memory, SAM), UEFI & Legacy Mode]”. While not officially supported by Machinist, the community has successfully integrated ReBarDxe drivers into the firmware using tools like UEFITool.
While missing in early revisions (v1.1), the latest Pro Max versions include native TPM 2.0 support for Windows 11 compatibility. BIOS Management Tips
Once you have the exclusive BIOS installed, here is your checklist to maximize performance: For a comprehensive overview and resources, visit the
Out of the box, the Machinist MR9A Pro BIOS is often described as functional but "janky". Key features like TPM 2.0 (fTPM/PTT)
Navigate to > Advanced Power Management Configuration . Set Power Technology to Custom . Set Energy Efficient Turbo to Disabled .
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Have you successfully flashed your MR9A Pro? Share your turbo frequencies and memory timings in the comments below. And remember: always backup before you mod.
Note: Gains depend on your specific Xeon model and cooling solution.
Perform a CMOS reset: unplug the power, remove the coin battery for 5 minutes, short the CMOS jumper (JBAT1).