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System board connections
Refer to the following illustration and table to identify the system board connectors for your model.
No. System Board Connector System Board Label Color Component
1 PCI Express x1 X1PCIEXP3 white Expansion Card
2 PCI Express x1 X1PCIEXP2 black Expansion Card
3 PCI Express x1 X1PCIEXP1 black Expansion Card
4 PCI Express x16 X16PCIEXP black Expansion Card
5 Parallel Port PAR black Parallel Port
6 Serial Port COMB black Serial Port
7 Hood Lock HLCK black Hood Lock
8 Hood Sensor HSENSE white Hood Sensor
9 DIMM4 (Channel A) DIMM4 white Memory Module
10 DIMM3 (Channel A) DIMM3 black Memory Module
11 DIMM2 (Channel B) DIMM2 white Memory Module
12 DIMM1 (Channel B) DIMM1 black Memory Module
13 Power SATAPWR0 black SATA Drives
14 Power PWR white System Board
15 USB 3.0 FRONT USB3.0 blue Front USB 3.0 Ports
16 SATA 3.0 SATA0 dark blue Primary Hard Drive
17 SATA 3.0 SATA3 light blue Any SATA Device other than the
Primary Hard Drive
18 SATA 3.0 SATA1 light blue Any SATA Device other than the
Primary Hard Drive
60 Chapter 3 Small Form Factor (SFF) hardware upgrades ENWW