System board callouts
Sys Bd Label Color Component Sys Bd Label Color Component
X1PCIEXP2 Black Expansion card SATA3 Light blue Optical drive or second
hard drive
X16PCIEXP Black Expansion card SATA0 Dark blue Hard drive
SYS_FAN Red Fan SATA1 White Optical drive or second
hard drive
HOOD_SENSE White Hood sensor SATA2 Orange Optical drive or second
hard drive
ATX_CPU White 4-pin processor power F_PANEL Black Front I/O
XU1 Silver Processor COM2 Black Optional serial port
CPU_FAN White Processor fan F_USB1 White Front I/O
DIMM1 Black Memory module CLR_CMOS/PASS Blue Reset CMOS/system
passwords
DIMM3 Black Memory module INT_SPKR White Speaker
BAT Black RTC battery F_AUDIO Yellow Front I/O
ATX_PWR White 24-pin main power
connector
50 Chapter 5 Removal and replacement procedures
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