System board callouts
Sys Bd Label Color Component Sys Bd Label Color Component
PWRCPU White 4-pin processor power SATA2 Light blue Any SATA Device other
than primary hard drive
CPU Black Processor SATA1 Light blue Any SATA Device other
than primary hard drive
CPUFAN White Processor fan SPKR White Speaker
DIMM1 Black Memory module SATA0 Dark blue Hard drive
DIMM2 White Memory module FRONT USB Yellow Front I/O
DIMM3 Black Memory module BATTERY Black RTC battery
DIMM4 White Memory module FRONT AUD Blue Front I/O
PSWD Green Clear system passwords X4PCIEXP Black Expansion card
PB/LED Black Front I/O/power switch X1PCIEXP2 Black Expansion card
PWRCMD White Power supply X1PCIEXP1 Black Expansion card
SATAPWR0 Black Drives X16PCIEXP White Expansion card
PWR White 6-pin main power HLCK Black Hood lock
CMOS Yellow Reset CMOS COMB Black Optional second serial port
FRONT USB3.0 Blue Front I/O/power switch HSENSE White Hood sensor
System board 61