System Board Callouts - HP ProDesk 405 G4 Small Form Factor Maintenance And Service Manual

System board callouts

Sys Bd Label
PWRCPU
PROCESSOR
CPUFAN
DIMM4
DIMM3
DIMM2
DIMM1
HSENSE
SPKR
WIRELESS
SSD1
SATA1
PWRCMD
Color Component
White 4-pin processor power
White Processor
White Processor fan
Black Memory module
White Memory module
Black Memory module
White Memory module
White Hood sensor
White Speaker
Black WLAN module
Black M.2 solid-state drive
Light blue Any SATA device other
than primary hard drive
White Power supply
Sys Bd Label Color
PWR White
SATA PWR0 Black
SD RDR Black
SATA2 Light blue
SATA0 Dark blue
PSWD Green
BATTERY Black
CMOS Yellow
X16PCIEXP White
X1PCIEXP1 Black
COMM_DP Silver
COMA Black
Component
6-pin main power
Drives
Card reader
Any SATA Device other than
primary hard drive
Hard drive
Clear system passwords
RTC battery
Reset CMOS
Expansion card
Expansion card
Option port
Optional second serial port
System board 55