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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 x16 downshifted
to a x4
X4PCIEXP 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 Battery BAT black Battery
10 DIMM4 (Channel A) DIMM4 white Memory Module
11 DIMM3 (Channel A) DIMM3 black Memory Module
12 DIMM2 (Channel B) DIMM2 white Memory Module
13 DIMM1 (Channel B) DIMM1 black Memory Module
14 Power SATAPWR0 black SATA Drives
15 Power PWR white System Board
16 USB 3.0 FRONT USB3.0 blue Front USB 3.0 Ports
17 USB 3.0 MEDIA3.0 black USB 3.0 Device, such as a USB 3.0
Media Card Reader
18 SATA 3.0 SATA0 dark blue Primary Hard Drive
64 Chapter 3 Small Form Factor (SFF) hardware upgrades ENWW