Service and Maintain

System board callouts
Sys Bd Label Color Component Sys Bd Label Color Component
PWRCPU White 4-pin processor power SATA1 Light
blue
Any SATA device other than the
primary hard drive
PROCESSOR Silver Processor FRONT USB Yellow Front I/O
CPUFAN White Processor fan PSWD Green Clear system passwords
DIMM4 White Memory module (channel A) HLCK Black Hood lock
DIMM3 Black Memory module (channel A) CMOS Yellow Reset CMOS
DIMM2 White Memory module (channel B) BAT Black RTC battery
DIMM1 Black Memory module (channel B) HSENSE White Hood sensor
PB/LED Black Front I/O/power switch
connector
FRONT AUD Blue Front I/O
PWRCMD White Power supply connector X4PCIEXP White PCI Express x16 downshifted to a x4
SATAPWR0 Black Drive power connector X1PCIEXP2 Black PCI Express x1
System board 53