Hardware Reference Guide

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 DIMM3 (Channel A) DIMM3 black Memory Module
6 DIMM1 (Channel B) DIMM1 black Memory Module
7 Battery BAT black Battery
8 SATA 3.0 SATA1 light blue Any SATA Device other than the
Primary Hard Drive
9 SATA 3.0 SATA2 light blue Any SATA Device other than the
Primary Hard Drive
10 SATA 3.0 SATA0 dark blue Primary Hard Drive
10 Chapter 2 Hardware upgrades