System board connectors
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 X16PCIEXP Black Expansion Card
2 PCI Express x4 X4PCIEXP Black Expansion Card
3 Battery BAT Black Memory Module
4 DIMM2 DIMM2 White Memory Module
5 DIMM1 DIMM1 White Memory Module
6 SATA 3.0 SATA0 Dark blue Primary Hard Drive
7 SATA 3.0 SATA1 Light blue Optical Drive
10 Chapter 2 Hardware upgrades