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Installation Guide for Gigabyte GH-PDU21-MF

Summary

Upgrade your PC cooling with this highly compatible CPU cooler featuring an adjustable fan speed control system for optimized performance. Designed for a wide variety of platforms including Intel Pentium 4 (LGA775/mPGA478), AMD K8, and K7 sockets, the unit incorporates powerful airflow and reliable heat dissipation. This comprehensive technical guide provides step-by-step installation instructions for connecting the cooler to your motherboard—whether using a 3.5” front panel or PCI rear bracket—and details clip assembly for multiple socket types, ensuring easy setup for DIY builders using classic PC architecture.

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Page 1 Text Content

Intel® Pentium® 4 LGA775 / m PGA478 AMD K8(939/754) / K7

Installation Guide

GH-PDU21-MF

REV.1002

Page Summary Contents For Installation Guide for Gigabyte GH-PDU21-MF

Page 1 Intel® Pentium® 4 LGA775 / m PGA478 AMD K8(939/754) / K7 Installation Guide GH-PDU21-MF REV.1002
Page 2 Table of Content Checklist............................................................................................................3 Specification......................................................
Page 3 nglish Checklist (1)GH-PDU21 -MF Cooler (2)LGA775 RM (3) P4 clips (4) K8 clip (5) K7 clip (6) Heat sink paste (7) Screw (8) Fan control box (9) Speed control (11) PCI bracket (10) Power cable (12) GH-...
Page 4 Specification Heat Sink Dimension : 110x110 x 109mm Fin Material : Al fin Heatpipe Number : 4 Rated Current : 0.1 ~ 0.5A Fan Speed : 1,700~3,200 rpm Airflow : 36.2 ~ 68.5 CFM Rated Voltage : 12V Life ...
Page 5 nglish Precautions The cooler fan speed levels provided are for reference use only. Please refer to the motherboard BIOS to verify actual fan speed levels. Each connector on the fan control box is foo...
Page 6 Installation Instructions for Fan Control Box & Power Cable Connector for 3.5 Fan Speed controller Fan Control Box Power Cable connector Power connector for Cooler Connect the other end of the pow...
Page 7 nglish Power Installation and 3.5” Fan Speed Controller Installation Figure 1 Securely hold the 3.5” fan speed controller bracket in place with the screws provided(Figure 1-1). Figure 1-1 Figure 1-2 F...
Page 8 Power Installation and PCI Fan Speed Controller Installation Figure 1 Disassemble the turn knob, bolt and fan speed controller from the 3.5” bracket and reassemble these parts onto a PCI bracket Figur...
Page 9 nglish Installation Instructions for P4 LGA775RM & Cooler To install GH-PDU21-MF on LGA775 motherboard needs both LGA775 RM & P4 clips. Side A Side B Please add an adequate layer of heat sink ...
Page 10 Installation Instructions for Intel® Pentium® 4 m PGA478 Clips Figure 1 Please add an adequate layer of heat sink paste on the surface of the CPU(Figure1-1). Figure 1-2 showing the correct installatio...
Page 11 nglish Installation Instructions for AMD K8 (939 / 754) Clip Figure 1 Please add an adequate layer of heat sink paste on the surface of the CPU. Figure 1-1 Figure 1-2 Figure 2 Figure showing the corre...
Page 12 Installation Instructions for AMD K7 Clip Figure 1 Please add an adequate layer of heat sink paste on the surface of the CPU. Remove the bracket of the cooler along Figure 1-1 the direction of the arr...
Page 13 Intel® Pentium® 4 LGA775 / m PGA478 AMD K8 (939 / 754) / K7 GH-PDU21-MF
Page 14 3.5 ...................................................19 PCI ................................................................20 P4 LGA775 ................................................................
Page 15 (1) GH-PDU21-MF (2) LGA775 (6) (4) K8 (5) K7 (7) (3) P4 (9) 3.5 (11)PCI (12) GH-PDU21-MF(10) (8) (13) ( 1) GH-PDU21-MF
Page 16 : 110 x 110 x 109 mm : 0.1~ 0.5 : 4 : 36.2 ~ 68.5 CFM : 1,700 ~ 3,200 rpm : 50,000 hr : 12V : 430g : 21.3 ~40.1 d BA : Ball Bearing Intel® Pentium® 4 LGA775 840 / 670 / 570(3.8GHz) Intel® Pentium® 4 4...
Page 17 GH-PDU21-MF
Page 18 3 pin CPU fan 4 pin CPU fan (LGA775) - 18 -GH-PDU21-MF
Page 19 GH-PDU21-MF CPU fan GH-PDU21-MF
Page 20 .5 1-1) PCI 1-2) PCI 2-1) 2-1 - 20 -GH-PDU21-MF
Page 21 P4 LGA775 GH-PDU21-MF LGA775 LGA775 & P4 LGA775 LGA775 LGA775 LGA775 1) P4 LGA775 3-1) GH-PDU21-MF P4 Intel® Pentium®4 m PGA478 - 21 - GH-PDU21-MF
Page 22 Intel® Pentium® 4 m PGA478 CPU 1-1) CPU 1-2) - 22 -GH-PDU21-MF
Page 23 AMD K8 (939 / 754) CPU 3.5 2-1~ 4-2) GH-PDU21-MF
Page 24 AMD K7 CPU 1-2) - 24 -GH-PDU21-MF

Manual Details

Brand GIGABYTE
Pages 24
File Size 550.48 KB
Published June 05, 2026
47 views

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Frequently Asked Questions

What is the recommended fan speed range?

The fan operates at 1,700 to 3,200 rpm.

Does it support multiple CPU types?

Yes, it supports Intel Pentium 4 LGA775, mPGA478, AMD K8 (939/754), and K7 platforms.

How do I ensure proper operation before use?

Make sure the computer is powered off and electricity is disconnected. Always remove the bottom protective layer of the cooler first.

Which motherboard headers are compatible with this unit?

It supports both 3.5” front panel and PCI rear panels for fan control.