
CPU_FAN: Cooling Fan Power Connectors
| 
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 | Pin | 
 | Signal Name | 
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 | Function | 
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| 
 | 1 | 
 | GND | 
 | System Ground | |||
| 
 | 2 | 
 | +12V | 
 | Power +12V | |||
| 
 | 3 | 
 | Sense | 
 | Sensor | 
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 | |
| 
 | 4 | 
 | PWM | 
 | CPU FAN control | |||
| SYS_FAN: Cooling Fan Power Connector | 
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| 
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 | Pin | 
 | Signal Name | 
 | 
 | Function | 
 | 
| 
 | 1 | 
 | GND | 
 | System Ground | |||
| 
 | 2 | 
 | +12V | 
 | Power +12V | |||
| 
 | 3 | 
 | Sense | 
 | Sensor | 
 | 
 | |
| 
 | 4 | 
 | PWM | 
 | CPU FAN control | |||
| ATX1:ATX  | 
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| 
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 | Pin | 
 | Signal Name | 
 | Pin | Signal Name | 
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| 
 | 
 | 1 | 
 | +3.3V | 
 | 13 | +3.3V | 
 | 
| 
 | 2 | 
 | +3.3V | 
 | 14 | 
 | ||
| 
 | 3 | 
 | Ground | 
 | 15 | COM | 
 | |
| 
 | 4 | 
 | +5V | 
 | 16 | PS_ON | 
 | |
| 
 | 5 | 
 | Ground | 
 | 17 | Ground | 
 | |
| 
 | 6 | 
 | +5V | 
 | 18 | Ground | 
 | |
| 
 | 7 | 
 | Ground | 
 | 19 | Ground | 
 | |
| 
 | 8 | 
 | PWRGD | 
 | 20 | 
 | ||
| 
 | 9 | 
 | +5VSB | 
 | 21 | +5V | 
 | |
| 
 | 10 | 
 | +12V | 
 | 22 | +5V | 
 | |
| 
 | 11 | 
 | +12V | 
 | 23 | +5V | 
 | |
| 
 | 12 | 
 | +3.3V | 
 | 24 | Ground | 
 | |
ATX_12V: ATX 12V Power Connector
| Pin | Signal Name | 
| 1 | Ground | 
| 2 | Ground | 
| 3 | +12V | 
| 4 | +12V | 
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