ASRock P4 Combo User Manual - Page 15

Installation of CPU Fan and Heatsink

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2.3 Installation of CPU Fan and Heatsink This motherboard is equipped with two types of CPU sockets. You may choose to install either Intel 775-Pin CPU or Intel 478-Pin CPU into this motherboard. It requires different types of heatsinks and cooling fans to fit with the installed CPU to dissipate heat. You also need to spray thermal grease between the CPU and the heatsink to improve heat dissipation. Make sure that the CPU and the heatsink are securely fastened and in good contact with each other. Then connect the CPU fan to the CPU_FAN connector (CPU_FAN1, see page 8, No. 8). For proper installation, please kindly refer to the instruction manuals of your CPU fan and heatsink. Below is an example to illustrate the installation of the heatsink for 775-Pin CPU. Step 1. Apply thermal interface material onto center of IHS on the socket surface. Step 2. Step 3. Step 4. Place the heatsink onto the socket. Ensure fan cables are oriented on side closest to the CPU fan connector on the motherboard (CPU_FAN1, see page 8, No. 8). Align fasteners with the motherboard throughholes. Rotate the fastener clockwise, then press down on fastener caps with thumb to install and lock. Repeat with remaining fasteners. If you press down the fasteners without rotating them clockwise, the heatsink cannot be secured on the motherboard. Step 5. Step 6. Connect the fan header with the CPU fan connector on the motherboard. Secure excess cable with tie-wrap to ensure cable does not interfere with fan operation or contact other components. 15

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15
2.3
Installation of CPU Fan and Heatsink
This motherboard is equipped with two types of CPU sockets. You may choose to
install either Intel 775-Pin CPU or Intel 478-Pin CPU into this motherboard. It requires
different types of heatsinks and cooling fans to fit with the installed CPU to dissipate
heat. You also need to spray thermal grease between the CPU and the heatsink to
improve heat dissipation. Make sure that the CPU and the heatsink are securely
fastened and in good contact with each other. Then connect the CPU fan to the
CPU_FAN connector (CPU_FAN1, see page 8, No. 8).
For proper installation, please kindly refer to the instruction manuals of
your CPU fan and heatsink.
Below is an example to illustrate the installation of the heatsink for 775-Pin CPU.
Step 1.
Apply thermal interface material onto center
of IHS on the socket surface.
Step 2.
Place the heatsink onto the socket. Ensure
fan cables are oriented on side closest to the
CPU fan connector on the motherboard
(CPU_FAN1, see page 8, No. 8).
Step 3.
Align fasteners with the motherboard
throughholes.
Step 4.
Rotate the fastener clockwise, then press
down on fastener caps with thumb to install
and lock. Repeat with remaining fasteners.
If you press down the fasteners without rotating them clockwise,
the heatsink cannot be secured on the motherboard.
Step 5.
Connect the fan header with the CPU fan
connector on the motherboard.
Step 6.
Secure excess cable with tie-wrap to ensure
cable does not interfere with fan operation or
contact other components.