System board components
Item Sys Bd Label Color Component Item Sys Bd Label Color Component
(1) BAT Black RTC battery (6) SPKR White Speaker
(2) HDD White Hard drive (7) PSWD Black Password header and
jumper
(3) CPUFAN White Processor fan (8) CMOS White CMOS reset button
(4) SSD Black Solid-state module (9) DIMM3 Black Secondary memory
(5) WLAN Black WLAN module (10) DIMM1 Black Primary memory
34 Chapter 4 Removal and replacement procedures