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8.
CPU and chassis fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN)
Connect the fan cables to the fan connectors on the motherboard, ensuring that the
black wire of each cable matches the ground pin of the connector.
P8H77-M fan connectors
Do not forget to connect the fan cables to the fan connectors. Insufficient air flow inside the
system may damage the motherboard components. These are not jumpers! Do not place
jumper caps on the fan connectors!
• The CPU_FAN connector supports the CPU fan of maximum 1A (12 W) fan power.
• Only the CPU_FAN connector supports the ASUS FAN Xpert feature.
• If you install two VGA cards, we recommend that you plug the rear chassis fan cable to
1-34
P8H77-M
the motherboard connector labeled CHA_FAN for better thermal environment.
CPU_FAN
CHA_FAN
Chapter 1: Product introduction
- Quick Links:
- Motherboard Overview
- Motherboard Layout
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