
HP ProDesk 405 G2 system board callouts
Sys Bd Label Sys Bd
Connector
Color
Component
Sys Bd Label
Sys Bd
Connector
Color
Component
CMOS
CMOS button
Yellow
Reset CMOS
PB/LED
Front I/O
Black
Front I/O/power
switch
CPUFAN
Processor fan
connector
White
Processor fan
COMB
Serial Port
Black
Optional second
serial port
PWR
Power
connector
White
24-pin main
power connector
SPKR
Speaker
connector
White
Speaker
DIMM1
DIMM1
(Channel A)
Black
Memory module
FRONT
Front I/O
Blue
Front I/O/power
switch
DIMM2
DIMM2
(Channel B)
White
Memory module
X1PCIEXP3
PCI Express x1 Black
Expansion card
PSWD
Password
jumper
Green
Clear system
passwords
X1PCIEXP2
PCI
Express
x1 Black
Expansion
card
SATA0
SATA 3.0
Dark
blue
Hard drive
X1PCIEXP1
PCI Express x1 Black
Expansion card
SATA1
SATA 3.0
Light
blue
Optical Drive
X16PCIEXP
PCI Express
x16
White
Expansion card
60
Chapter 5 Removal and replacement procedures: Microtower