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 a x4
X4PCIEXP
white
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
Parallel Port
PAR
black
Parallel Port
6
Serial Port
COMB
black
Serial Port
7
Hood Lock
HLCK
black
Hood Lock
8
Hood Sensor
HSENSE
white
Hood Sensor
9
Battery
BAT
black
Battery
10
DIMM4 (Channel A)
DIMM4
white
Memory Module
11
DIMM3 (Channel A)
DIMM3
black
Memory Module
12
DIMM2 (Channel B)
DIMM2
white
Memory Module
13
DIMM1 (Channel B)
DIMM1
black
Memory Module
14
SATA 3.0
SATA0
dark blue
Primary Hard Drive
15
SATA 3.0
SATA1
light blue
Any SATA Device other than the
Primary Hard Drive
16
SATA 3.0
SATA2
light blue
Any SATA Device other than the
Primary Hard Drive
10 Chapter 2 Hardware upgrades