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 x4
X16PCIEXP white Expansion Card
2 PCI Express x1 X1PCIEXP1 black Expansion Card
3 PCI Express x1 X1PCIEXP2 black Expansion Card
4 PCI Express x1 X1PCIEXP3 black Expansion Card
5 DIMM2 DIMM2 white Memory Module
6 DIMM1 DIMM1 black Memory Module
7 SATA 3.0 SATA1 light blue Secondary Hard Drive or Optical
Drive
8 SATA 3.0 SATA0 dark blue Primary Hard Drive
9 Battery BAT black Battery
10 USB 2.0 MEDIA black USB 2.0 Device, such as a Media
Card Reader
11 Parallel Port PAR black Optional Parallel Port
12 Serial Port COMB black Optional Second Serial Port
38 Chapter 5 Removal and replacement procedures: Microtower
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