Jack # | Signal | Description |
BT1 | Battery | 2-pin, 1.25mm external battery connector |
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DIMM1 | DDR2 Memory 1 | 240-pin socket for DDR2 RAM DIMM |
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DIMM2 | DDR2 Memory 2 | 240-pin socket for DDR2 RAM DIMM |
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J1 A/B | Keyboard/Mouse | 6-pin standard PS/2 connectors for keyboard (purple) and mouse |
| | (green) |
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J2 | ATX PWR In | 20-pin, 4.2mm for ATX power in connector |
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J3 | Serial 1 (COM1) | 9-pin, 2.77mm connector for serial port 1 (COM1) |
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J4 | Parallel | 25-pin connector for printer port (LPT 1) |
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J5 | Video (CRT) | 15-pin connector for output to a CRT type monitor |
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J6 | Serial 2 (COM2) | 10-pin, 2.0mm header for serial port 2 (COM2) |
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JP6 | Ethernet External | 8-pin header for Ethernet activity signals on external LEDs |
| LED | |
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J7 | Infrared (IrDA) | 5-pin header for Infrared (IrDA) |
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J8 | GPIO | 10-pin, 2.0mm header for general purpose I/O |
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J9 | Video (LVDS) | 30-pin, 2.0mm header for LVDS type video displays |
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J10 | DNP | Do not populate |
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J11A | Ethernet 1 | 8-pin RJ45 connector on Gigabit Ethernet port 1 |
| (LAN1) | |
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J11B/C | USB 0 & 1 | 8-pin USB jack provides USB0 and USB1 ports |
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J12 | CPU Fan | 3-pin header for fan, +12V, tachometer, ground |
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J13A | Ethernet 2 | 8-pin RJ45 connector on Gigabit Ethernet port 2 |
| (LAN2) | |
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J13B/C | USB 2 & 3 | 8-pin USB jack provides USB2 and USB3 ports |
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J14 | Audio In/Out | 14-pin jack for 3.5 mm MIC In, Line Out, Line In connectors |
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J15 | Serial 3 & 4 | 20-pin, 2.0mm header for serial ports 3 and 4 (COM3 & COM4) |
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J16 | PCI Express | 164-pin, 2.0mm slot for PCI Express |
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J17 | Utility | 16-pin connector for PWR LED, IDE activity LED, Power switch, |
| | reset switch, PC speaker (Beep) |
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J18 | IDE | 40-pin header for the IDE interface |
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J19 | SATA 1 | 7-pin Serial ATA connector |
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J20 | SATA 0 | 7-pin Serial ATA connector |
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J21 | USB 4 & 5 | 10-pin, 2.0mm header for USB4 and USB5 ports |
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J22 | System Fan | 3-pin header for fan, +12V, tachometer, ground |
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