1. Introduction
This manual provides detailed instructions for the installation, configuration, and troubleshooting of the MACHINIST E5 MR9A V1.0 X99 Motherboard. Please read this manual carefully before proceeding with the installation and use of the product.
Product Overview Video: A visual guide to the MACHINIST E5 MR9A V1.0 X99 Motherboard's features and design.

The MACHINIST E5 MR9A V1.0 X99 Motherboard and its retail packaging.
2. Specifications
The MACHINIST E5 MR9A V1.0 X99 Motherboard is designed for high compatibility and robust performance. Below are its key specifications:

Detailed product information table outlining various features and specifications.
| Category | Specification |
|---|---|
| Processor | Compatible with Intel 5th/6th generation Core i7 processors and XEON E5 V3/V4 series processors, not compatible with LGA 2011 CPUs. |
| Southbridge | B85 Chipset |
| RAM Technology | 4 Channel DDR4 |
| Maximum RAM Capacity | 64GB (16GB*4) |
| Memory Slots | 4 * DDR4 |
| PS/2 Ports | Green: mouse. Purple: keyboard |
| Display Interface | NO |
| Rear USB Ports | 6 * USB 2.0; 2 * USB3.0 |
| Ethernet | 1 * Gigabit LAN |
| Audio Ports | 1 (Mic-in, Line-out, Line-in) |
| CFAN | 1 * 4PIN |
| SFAN | 2 * 3PIN, 1 * 4PIN |
| ATXPWR Interface | 1 * 8PIN Power Socket; 1 * 24PIN Power Socket |
| Front USB2.0 | 1 |
| Front USB3.0 | 1 |
| M.2 Slots | 1 * NVME M.2; 1 * SATA M.2; 1 * WiFi M.2 |
| SATA Interface | 4 * SATA3.0, 2 * SATA 2.0 |
| Front Audio | 1 |
| JCOM | 1 |
| JCMOS Port | 1 |
| PCIe Slots | 2 * PCIe x16; 1 * PCIe x4; 1 * PCIe x1 |
| JME | 1 |
| JLPC | 1 |
| JTPM | 1 |
| SPEAK | 1 |
| 2PIN 5V FAN | 2 |
| Working Environment Temperature | 0~50°C |
| Working Environment Humidity | 5%~95% |
| Storage Environment Temperature | -20~70°C |
| Storage Environment Humidity | 5%~95% |
| Physical Size | 285mm * 215 mm |

Dimensions of the MACHINIST E5 MR9A V1.0 X99 Motherboard.
3. Setup and Installation
Before installing any components, ensure the power supply is disconnected. Always handle components with care to prevent damage from static electricity.
3.1. Package Contents
Verify that all items are present in the package:
- MACHINIST E5 MR9A V1.0 LGA 2011-3 Motherboard *1
- I/O shield *1
- SATA cable *1
- Radiator bracket *1

Included accessories: SATA cable, I/O shield, and CPU fan bracket.
3.2. CPU & Fan Installation
Install the CPU into the LGA 2011-3 CPU socket as shown in the diagram below.
- Press the lever with your hand and lift it up.
- Lift the CPU slot buckle cover and remove the black protective cover.
- Align the CPU base with the card slot on top of the CPU. After confirming it is correct, lower the CPU carefully and place it in place.
- After installation, put down the CPU slot buckle cover and snap back the lever.

Step-by-step diagram for CPU installation into the LGA 2011-3 socket.
Important Notes for CPU Installation:
- Ensure the motherboard supports your specific CPU model.
- Always unplug the power cord before installing or removing the CPU.
- Retain the CPU protective cap for future use.
- Do not power on the computer without a CPU cooler installed to prevent damage.
- Confirm the CPU heatsink forms a tight seal with the CPU.
- Apply an even layer of thermal paste between the CPU and heatsink.
- Protect CPU socket pins with the plastic cap when no CPU is installed.
- Do not force the CPU into the socket.
- Connect the CPU heatsink's 4-pin fan power connector to the 4-pin CPU fan header.
- Plug in the 8-PIN power supply to power the CPU.
3.3. Memory Installation
The motherboard supports 4 DDR4 ECC DIMM slots with a maximum capacity of 128GB. Install memory modules as follows:
- Wrench the latches on both sides of the memory slot outwards.
- Insert the memory into the slot by aligning it with the notch.
- Flip the latches on both sides of the slot to lock the memory.

Diagram illustrating the steps for installing RAM modules into the DIMM slots.
Important Notes for Memory Installation:
- Use memory of the same capacity, brand, speed, and chips for optimal compatibility.
- Memory modules have a foolproof design; they can only be installed in one direction.
- Install memory in the slot closest to the CPU first.
| DIMM1 | DIMM2 | DIMM3 | DIMM4 | |
|---|---|---|---|---|
| 1 Module | Y | |||
| 2 Modules | Y | Y | ||
| 4 Modules | Y | Y | Y | Y |
("Y"=Install memory, "--"=No Memory)
3.4. Expansion Card Installation
The motherboard provides two PCI Express 3.0 X16, one PCI Express 3.0 X4, and one PCI Express 3.0 X1 expansion slots. Insert the expansion card into an available PCI Express slot and press it until fully inserted.
Important Notes for Expansion Card Installation:
- Always turn off the power supply and unplug the power cable before adding or removing expansion cards.
- Incorrect installation can cause short circuits and damage to the card or motherboard.
3.5. M.2 SSD Installation
The motherboard provides 2 NVME M.2 (PCIe 3.0 x4) slots. Insert your M.2 SSD into the M.2 slot at a 30-degree angle and secure it with the screw.

Diagram showing the steps for installing an M.2 SSD.
3.6. WIFI M.2 Slot
The M.2 WiFi interface is compatible with WiFi AC standard expansion cards. Install the M.2 WiFi module and load the corresponding driver to use it.

Diagram illustrating the installation of a WiFi M.2 module.
3.7. Connectors Overview
Refer to the diagram below for the location of various connectors on the motherboard.

Detailed diagram of the motherboard highlighting various ports and connectors.
3.7.1. Back Panel Connectors
The rear I/O panel includes:
- PS/2 Ports: Green for mouse, Purple for keyboard.
- USB 3.0 Ports: 2 ports for USB 3.0 devices.
- USB 2.0 Ports: 6 ports for USB 2.0 devices.
- RJ45 LAN Port: Gigabit Ethernet for network connection (up to 1000Mbps/s).
- Audio Ports: Mic-in, Line-out, Line-in.

Close-up of the rear I/O ports, including PS/2, USB, Ethernet, and Audio jacks.
3.7.2. Internal Connectors
- F_PANEL1 Connector: For front panel power, reset, HDD LED, and power LED.
- SPEAK1 Connector: For system buzzer.
- JAUDIO1 Connector: For front panel audio jacks.
- SATA Connectors: 4 SATA 3.0 (6Gb/s) and 2 SATA 2.0 ports.
- ATXPWR1, JATXPWR1: 24-pin and 8-pin power connectors.
- CPU_FAN1, SYS_FAN1~3: Fan connectors.
- JUSB2: USB 2.0 header for front panel USB 2.0 ports.
- FUSB3: USB 3.0 header for front panel USB 3.0 ports.
- JCMOS1: Clear CMOS: Jumper to clear CMOS settings.
- JTPM1: TPM Module Connector: For Trusted Platform Module (TPM). Compatible with MSI TPM 2.0 modules.
- JCOM1: Serial Port Connector: For optional serial port cable.
4. Operating Instructions
4.1. BIOS Setup
The BIOS (Basic Input and Output System) manages the hardware parameters and initiates the system. To enter BIOS Setup:
- When the computer starts up, repeatedly press the
DELkey immediately after powering on. - If the message disappears too quickly, power off and restart, or press
Ctrl+Alt+Delete.
Important Notes for BIOS Setup:
- BIOS flashing is risky; only update if necessary.
- Default BIOS settings offer optimal performance. Avoid altering them unless you know what you are doing.
- BIOS items may vary slightly from the latest version; descriptions are for reference.
4.2. Reset BIOS
To restore default BIOS settings:
- Go to BIOS and press
F6to load optimized defaults. - Short the Clear CMOS jumper (JCMOS1) on the motherboard.
Important: Ensure the computer is off before clearing CMOS data.
5. Maintenance
Proper maintenance ensures the longevity and stable operation of your motherboard.
- Thermal Management: Regularly check that the CPU cooler fan is rotating correctly and that the heatsink is tightly fitted to the CPU with adequate thermal paste.
- Dust Removal: Periodically clean dust from the motherboard and components using compressed air or a soft brush.
- Power Supply: Ensure your power supply unit (PSU) is sufficient (at least 500W recommended) and stable to prevent system instability.
6. Troubleshooting (FAQs)
This section addresses common issues you might encounter.
6.1. No Boot
If the computer does not respond (fan not rotating, indicator light not lighting):
- Clear CMOS.
- Check CPU model compatibility with the motherboard.
- Verify motherboard and CPU power supplies are plugged in, and the chassis power switch is on.
- Check if the chassis power-on cable is plugged in properly.
- Ensure the power supply is functioning correctly.
- Unplug the graphics card, hard disk, USB, and other devices, then try to boot.
- Replace the CPU.
6.2. Start-up - Shutdown
If the fan turns for a while, then turns off:
- Clear CMOS.
- Check CPU model compatibility with the motherboard.
- Replace the CPU and troubleshoot for damage.
- Replace the RAM and check for damage.
- Unplug the graphics card, hard disk, USB device, and then reboot.
6.3. Repeated Reboots
If the computer restarts repeatedly:
- Clear CMOS.
- Check CPU model compatibility with the motherboard.
- Replace the CPU and troubleshoot for damage.
- Replace the RAM and check for damage.
- Unplug the graphics card, hard disk, USB, and other devices, then reboot.
6.4. No Video
If the fan is rotating but there is no video output:
Keyboard indicator does not respond:
- Clear CMOS.
- Check motherboard and CPU power supply connections.
- Verify memory stick installation and correct seating.
- Check CPU and memory model compatibility.
- Replace the CPU and check for damage.
- Replace the memory and check for damage.
Keyboard light responds:
- Check if the monitor is on.
- Check monitor display cable (DP, HDMI, DVI, VGA) connection.
- Replace the monitor cable and check for damage.
- Replace the graphics card and check for damage.
6.5. Blue Screen
If you encounter a blue screen error:
- Check for proper heat dissipation: CPU cooler fan rotation, tight fit of cooler base to CPU, and thermal paste application.
- Replace the CPU.
- Replace the memory.
- Replace the hard disk.
- Replace the system.
- Replace the power supply.
Warning: CPU Pin Bending or Broken Pin Problem!

Comparison of abnormal (bent/broken pins) and normal CPU socket pins.
Motherboards undergo strict testing before delivery. Upon receiving the package, for your personal rights, please take a complete unpacking video (including order number). If there is a situation with bent or broken pins, please contact customer service immediately.
7. User Tips
- Secure Boot: This motherboard supports Secure Boot, which can enhance system security. Check your BIOS settings to enable it if desired.
- TPM 2.0 Support: The motherboard is compatible with TPM 2.0 modules (specifically MSI TPM 2.0 modules). If you require TPM functionality, ensure you acquire a compatible module and install it correctly.
8. Warranty and Support
For detailed warranty information and technical support, please refer to the official MACHINIST documentation or contact your vendor. A comprehensive user manual in PDF format is available for download: View User Manual (PDF).