System board callouts
Use the following image and table to locate components on the system board.
Sys Bd Label Sys Bd
Connector
Color Sys Bd Label Sys Bd
Connector
Color
X4PCIEXP PCI Express x16
downshifted to a x4
White DIMM1 Memory socket –
Channel B
Black
X1PCIEXP2 PCIe x1 slot Black PB/LED Front power switch
connector
Black
X1PCIEXP1 PCIe x1 slot Black PWRCMD Power connector White
X16PCIEXP PCIe x16 slot Black SATAPWR0 SATA drive power
connector
White
68 Chapter 5 Removal and replacement procedures: Small Form Factor