HP Z1 Entry Tower G5

System board callouts
Sys Bd Label Color Component Sys Bd Label Color Component
PWRCPU White 4-pin processor power SATA0 Dark blue Primary hard drive
XU1 Silver Processor SATA2 Light blue Any SATA Device other
than the primary hard
drive
CPUFAN White Processor fan SATA3 Light blue Any SATA Device other
than the primary hard
drive
DIMM4 White Memory module PWRCMD White Power supply
DIMM3 Black Memory module CMOS Yellow Reset CMOS
DIMM2 White Memory module PSWD Green Clear system passwords
DIMM1 Black Memory module X4PCIEXP White Expansion card
BAT Black RTC battery X1PCIEXP2 Black Expansion card
SPKR White Speaker X1PCIEXP1 Black Expansion card
PWR White 6-pin main power X16PCIEXP White Expansion card
SATAPWR0 Black Drives HSENSE White Hood sensor
WIRELESS Black WLAN module COMA Black Optional serial port
SD RDR Black Card reader CHFAN2 Brown Rear fan connector
SSD2 Black M.2 solid-state drive SATA1 Light blue Any SATA Device other
than the primary hard
drive
SSD1 Black M.2 solid-state drive COMM_DP Black Option board
68 Chapter 4 Removal and replacement procedures