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 | Chapter 1: Introduction | 
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| Connector/Switch | Description | 
| Unit ID Switch | |
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| SBX2 | Slot for Supemicro riser card P/N  | 
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| SBX1, SBX3,  | Slots for Supermicro riser card | 
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| Serial Link General Purpose I/O Headers (5V Gen1/Gen 2) | |
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| SATA 3.0 Connectors via PCH (6Gb/s) | |
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| SATA 2.0 Connectors via PCH (3Gb/s) | |
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| KB/MS | PS/2 Keyboard and Mouse Ports | 
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| FAN1~FAN5 | System/CPU Fan Headers | 
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| SPEAKER | Internal Speaker (Leave jumper on JSPK installed, pins  | 
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| JSD1 | SATA Disk On Module (DOM) Power Connector | 
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| JSTBY1 | Legacy Wake On LAN Header | 
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| JPW1 | |
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| JPW2 | |
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| JPI2C2 | Power Supply SMBus I2C Header | 
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| JF1 | Front Panel Control Header | 
| JL1 | Chassis Intrusion Header | 
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| JLED | |
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| JSPK | Internal Speaker/Buzzer Select or External Speaker Header | 
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| USB4/5 | Rear USB Ports | 
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| JUSB4, JUSB3 | Internal USB 3.0 Headers USB0/1, USB2/3 | 
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| USB12/13 | Internal USB 2.0 Headers USB12/13 | 
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| BAT | Onboard Battery | 
| JTPM | Trusted Platform Module (TPM) Header | 
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| LAN1/LAN2 | Rear LAN Connectors (1Gb) | 
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| COM1, COM2 | Rear Serial Port (COM1), Serial Port Header (COM2) | 
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| VGA | Rear VGA Port | 
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| DIMMA1~DIMMB2 | DIMM Memory Slots | 
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| IPMI | Rear IPMI LAN Port | 
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