System board components
Sys Bd Label Color Component Sys Bd Label Color Component
CPUFAN White Processor fan SPKR White Speaker
CPU Black Processor WLAN Black WLAN module
DIMM3 Black Secondary memory BAT Black RTC battery
DIMM1 Black Primary memory SSD Black Solid-state module
PSWD Black Password header and
jumper
P60 SATA White Hard drive
CMOS Yellow CMOS reset button P72 COMM_DP Black Expansion board
connector
HSENSE White Hood sensor
38 Chapter 4 Removal and replacement procedures