GAMEMAX SIGMA 620 LCD Dual Fan CPU Cooler

Parts List

The following components are included with the SIGMA 620 CPU Cooler:

• Radiator (A12-B)
• Forward Leaf (A12-A)
• Reverse Leaf (A12-RB)
• Intel Backplate (x1)
• Universal Bracket (x1)
• Intel Screws (x4)
• AMD Screws (x4)
• Spacer for Intel LGA1851/1700/115X/1200 (x4)
• Spacer for AMD AM5/AM4 (x4)
• Thermal Grease (x1)
• Buckle Strip (x4)
• Small scraper (x1)

Installation Instructions

Ensure compatibility with your motherboard socket type: Intel LGA1851/1700/115X/1200 or AMD AM5/AM4.

Intel Installation (LGA1851/1700/115X/1200)

1. Attach the universal bracket to the motherboard.
2. Apply thermal grease to the CPU.
3. Remove the protective film from the bottom of the heat sink.
4. Mount the cooler onto the CPU, ensuring the fan frame is close to the radiator.
5. Secure the tower body using screws.

AMD Installation (AM5/AM4)

1. Keep the original back panel of the motherboard.
2. Attach the universal bracket to the motherboard.
3. Apply thermal grease to the CPU.
4. Remove the protective film from the bottom of the heat sink.
5. Mount the cooler onto the CPU, ensuring the fan frame is close to the radiator.
6. Secure the tower body using screws.

Important: Pay special attention to the installation direction and position of the fans. The fan model corresponds to the label on the back of the fan.

Driver Software Usage Instructions

The driver software for the LCD screen can be downloaded from the official GAMEMAX website: www.gamemaxpc.com.

1. Visit the website, find the "SIGMA 620" product model in the "FILE DOWNLOAD" section, and download the software.
2. The LCD screen receives power and data via a 9-pin USB interface. Ensure all wiring is complete before installing the software.
3. Decompress and install the driver software. The default installation location is the C drive.
4. Run the software by double-clicking the desktop shortcut icon.
5. The software controls the LCD screen's real-time data monitoring, data transmission, and on/off functions.
6. The driver software supports Windows 10 and above systems.

Scan the QR code [QR Code] to view detailed software usage instructions.

Software Troubleshooting Guide

1. Initialization Interface Stuck: Open the 'code.ini' file in the software directory, change '64' to '0' or '8192', save, and restart the software.
2. Missing .NET Components: Download the required .NET Framework from Microsoft's official website: https://dotnet.microsoft.com/en-us/download/dotnet-framework/net472.
3. Device Not Connected:
   • Check data line connections for adequate power supply.
   • Verify that the Windows Management Instrumentation service is running in service management. Restart it if necessary.
   • Disable other RGB control software.
   • If the device connects after replugging but not on startup, check motherboard power supply settings. In BIOS, find and adjust the ERP option (toggle between enabled/disabled).
4. Usage Problems:
   • CPU Temperature Inconsistency: Different software may use different CPU temperature sensors. Switch sensors in the software's "Settings" menu.
   • Video Card/Network Speed Not Displayed: Select the desired video card or network card in the "Settings" menu.
   • Screen Remains On After Power Off: In "Settings", adjust the device sleep time to 2 minutes and save.
   • Upgrade ROM: In "Settings", click the "Upgrade ROM" button and restart the secondary screen after a successful upgrade.

Fan Wiring

Connect the fans using the provided cables:

• Connect the 4-pin Power Cable to the CPU_FAN header on the motherboard.
• Connect the 5V ARGB Lighting SYNC Cable to the appropriate header (e.g., D_LED, ADD GEN2, ADD2_LED).
• Connect the 9-pin USB Screen Display Cable to the corresponding USB header on the motherboard.

Note: Please pay special attention to the installation direction and position of the fans. The fan model corresponds to the label on the back of the fan.