
CPUFAN1/CASFAN1/PWRFAN1: FAN Power Connector
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 | Pin | Signal Name | Function | 
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| 1 | GND | System Ground | |
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| 2 | +12V | Power +12V | |
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| 3 | Sense | Sensor | |
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COM1
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 | Pin | 
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 | 1 | DCD | 
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 | 2 | RxD | 
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 | 3 | TxD | 
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| 1 | 2 | 3 | 4 | 
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| 6 | 7 | 8 | 
 | 9 | 4 | DTR | 
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 | 5 | Ground | 
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 | 6 | DSR | 
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 | 7 | RTS | 
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 | 8 | CTS | 
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 | 9 | RI | 
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| LPT | 
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 | Pin | Signal Name | Pin | Signal Name | 
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 | 1 | STROBE | 13 | SLCT | 
| Front Side View | 2 | PD0 | 14 | ALF | 
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 | 3 | PD1 | 15 | ERROR | 
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 | 4 | PD2 | 16 | INIT | 
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 | 5 | PD3 | 17 | SLCTIN | 
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 | 6 | PD4 | 18 | GROUND | 
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 | 7 | PD5 | 19 | GROUND | 
| Pinout  | 8 | PD6 | 20 | GROUND | 
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 | 9 | PD7 | 21 | GROUND | 
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 | 10 | ACK | 22 | GROUND | 
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 | 11 | BUSY | 23 | GROUND | 
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 | 12 | PE | 24 | GROUND | 
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 | 25 | GROUND | 
| Chapter 5 | 80 | 
