In the ever-evolving landscape of used server parts and “Chinese motherboard” gambles, few boards have earned as much notoriety and respect as the X99-Turbo v1.31. This ATX motherboard, sold under various no-name brands (often Jingsha, Machinist, or Atermiter), is a fascinating anomaly: a modern board for an ancient chipset.
The magic of v1.31 lies in its modification of the MSR (Model Specific Register) 0x1FC. Stock BIOS limits the time the CPU can spend in "Turbo" mode. Version 1.31 effectively sets the turbo time window to infinite while forcing the chip to ignore the default per-core ratio limits.
To understand the x99-turbo, one must first understand its ecosystem. Intel’s X99 chipset (Haswell-E/Broadwell-E) was originally the domain of enthusiasts willing to spend $1,000 on a CPU like the 5960X. Fast forward a decade, and those same CPUs are e-waste. Enter the Shenzhen recycling and re-manufacturing market. Companies salvaged server dies (Xeon E5 v3/v4) from dismantled data centers and paired them with newly manufactured, generic motherboards.
The "x99-turbo" is a reference design from this grey market. The "v1.31" suffix denotes a specific PCB revision, likely correcting power delivery issues found in earlier versions (v1.1, v1.2). It is not a board you buy from Amazon Prime; it is a board you find on AliExpress, Taobao, or eBay for roughly $50 to $80. Its purpose is singular: to breathe life into a 14-core Xeon E5-2680 v4 that cost $30. x99-turbo v1.31
Disable. (Required for macOS Hackintosh).Enabled then adjust Non-Turbo Ratio.Disabled until you stabilize your RAM. The v1.31 is notoriously picky about Rank 2 (Dual Rank) memory.x99-turbo v1.31.rom file (available via tech forums or archive.org).While earlier X99 clone boards were plagued with issues (unstable RAM slots, throttling VRMs), the v1.31 revision represents a maturation of the design. The “Turbo” moniker is not just marketing; it refers to a physical toggle switch on the board that instantly switches between two BIOS profiles.
For users running a $20 Xeon E5-2666 v3, flipping this switch can turn a 2.9GHz chip into a 3.5GHz all-core beast without touching software.
Before you download the x99-turbo v1.31.rom file, verify your hardware. This BIOS is specifically tailored for the Huananzhi X99-TF, Machinist X99-RS9, Jingsha X99-8D, and generic "X99 Turbo" motherboards with the C612 chipset. The X99-Turbo v1
Confirmed Working CPUs:
Do NOT flash if:
By: The Dev Team | Date: October 26, 2023 Chipset → South Bridge → Audio Controller: Disable
The moment you’ve been waiting for is here. We are thrilled to announce the official release of x99-turbo v1.31.
If you’ve been following our nightly builds, you know we’ve been teasing a significant overhaul of the core architecture. Version 1.31 isn’t just a maintenance patch; it is a refinement of everything we’ve built over the last year, focusing heavily on stability, speed, and the quality of life features our community has been requesting.
Whether you are a sysadmin running legacy hardware or a hobbyist squeezing every ounce of performance out of your rig, this update is for you.