
System board callouts
Sys Bd Label Color Component Sys Bd Label Color Component
PWRCPU White 4-pin processor power PWR White 6-pin main power
CPU Silver Processor SATA0 Dark blue Hard drive
CPUFAN White Processor fan SATAPWR0 Black Drives
DIMM1 White Memory module SATA1 Light blue Any SATA Device other
than the primary hard
drive
DIMM2 Black Memory module PSWD Blue Clear system passwords
DIMM3 White Memory module BATTERY Black RTC battery
DIMM4 Black Memory module CMOS Yellow Reset CMOS
SPKR White Speaker X16PCIEXP White Expansion card
WLAN Black M.2 WLAN module X4PCIEXP Black Expansion card
SSD Black M.2 solid-state drive COMB Black Optional serial port
PWRCMD White Power supply
58 Chapter 4 Removal and replacement procedures: Small Form Factor
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