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 black 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 Serial Port COMB black Optional Second Serial Port
6 DIMM3 (Channel A) DIMM3 black Memory Module
7 DIMM1 (Channel B) DIMM1 black Memory Module
8 SATA 2.0 SATA4 white Optical Drive
9 SATA 2.0 SATA5 white Optical Drive
10 SATA 3.0 SATA0 dark blue Primary Hard Drive
11 SATA 3.0 SATA1 light blue Secondary Hard Drive
12 Parallel Port PAR black Optional Parallel Port
13 USB 2.0 MEDIA black USB 2.0 Device, such as a Media
Card Reader
14 Battery BAT black Battery
12 Chapter 2 Hardware upgrades