Cable Connections
System board connectors are color-coded to make it easier to find the proper connection.
Connector Name
P15
PU521
CPU_FAN
SYS_FAN
USB6
J18
F_AUDIO
USB1
SATA1
SATA2
SATA3
SATA4
Connector Color
white
white
white
red
black
black
yellow
white
dark blue
white
light blue
orange
Description
Power supply, 24-pin
Power supply, 4-pin
Heat sink fan
Chassis fan
Media card reader (in front I/O
assembly)
Power switch
Front I/O audio
Front I/O USB
Primary hard drive
Primary optical drive
Second hard drive
Second optical drive
Cable Management
55