HP 280 G1 manual System board callouts, Sys Bd Label Color Component

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