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 Gen 2
downshifted to a x4
X4PCIEXP
white
Expansion Card
2
PCI Express x1 Gen 2
X1PCIEXP2
black
Expansion Card
3
PCI Express x1 Gen 2
X1PCIEXP1
black
Expansion Card
4
PCI Express x16 Gen 3
X16PCIEXP
black
Expansion Card
5
Serial Port
COMB
black
Optional Second Serial Port
6
DIMM4 (Channel A)
DIMM4
white
Memory Module
7
DIMM3 (Channel A)
DIMM3
black
Memory Module
8
DIMM2 (Channel B)
DIMM2
white
Memory Module
9
DIMM1 (Channel B)
DIMM1
black
Memory Module
10
SATA 3.0
SATA2
light blue
Any SATA Device other than the
Primary Hard Drive
11
SATA 3.0
SATA1
light blue
Any SATA Device other than the
Primary Hard Drive
12
SATA 3.0
SATA0
dark blue
Primary Hard Drive
13
Battery
BAT
black
Battery
12
Chapter 2 Hardware upgrades