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3/4/5) CPU_FAN / SYS_FAN / PWR_FAN (Cooler Fan Power Connector)
The cooler fan power connector supplies a +12V power voltage via a
Most coolers are designed with
Remember to connect the CPU/system fan cable to the CPU_FAN/SYS_FAN connector to prevent CPU damage or system hanging caused by overheating.
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| CPU_FAN: |
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| Pin No. | Definition |
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| 1 | 1 | GND |
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| 2 | +12V/Speed Control | |
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CPU_FAN |
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| 3 | Sense | ||||||
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| 4 | Speed Control |
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| SYS_FAN/PWR_FAN: | ||
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SYS_FAN |
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| Pin No. | Definition | ||||||
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| 1 | GND |
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| 2 | +12V |
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| 3 | Sense | |
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PWR_FAN |
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6)NB_FAN (Chip Fan Power Connector)
The chip fan will not work if you install it in the wrong direction and sometimes the chip fan will be damaged.
| Pin No. | Definition | |
1 | 1 | GND | |
2 | +12V | ||
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| 3 | NC |
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