CPUFAN1/CASFAN1/PWRFAN1: FAN Power Connector
| 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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3
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 |
| 5 |
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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 |
| 3 | PD1 | 15 | ERROR |
| 4 | PD2 | 16 | INIT |
| 5 | PD3 | 17 | SLCTIN |
| 6 | PD4 | 18 | GROUND |
| 7 | PD5 | 19 | GROUND |
Pinout | 8 | PD6 | 20 | GROUND |
| 9 | PD7 | 21 | GROUND |
| 10 | ACK | 22 | GROUND |
| 11 | BUSY | 23 | GROUND |
| 12 | PE | 24 | GROUND |
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| 25 | GROUND |
Chapter 5 | 80 |