Cable Connections - HP dc7900 - Convertible Minitower PC Service & Reference Manual

Cable Connections

System board connectors are color-coded to make it easier to find the proper connection.
Cable
Power Supply
Power Supply
Power Supply
Power Supply
Power Supply
Power Supply
System Board Connector
P1
P3
P10
P9
P5
P24
P23
P6
P52
P60
P61
P62
P64
P124
P125
P150
P126
P151
138 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis
To
System board, 24-pin
Diskette drive
CPU power, 6-pin
1st SATA hard drive
2nd SATA hard drive
Optical drive
Connector Name
PWR
PWRCPU
FLOPPY
CHFAN
PB/LED
FRONT USB
FRONT AUD
SPRK
COMB
SATA 0
SATA 1
SATA 2
SATA 4
HLCK
HSENSE
MEDIA
PAR
BOOST
Cable Designator
P1
P2
P3
P4
P5
P7
Connector Color
White
White
Black
Brown
Black
Yellow
Blue
White
Black
Dark blue
White
Light blue
black
Black
White
Black
Black
Black
Description
Power supply, 24-pin
Power supply, 4-pin
Diskette drive
Chassis fan
Front power button/LED
Front I/O USB
Front audio
Internal speaker
Serial port
1st HDD
1st ODD or 2nd HDD if no
HDD present
2nd HDD if ODD present
eSATA port or extra ODD/
HDD connector
Hood lock solenoid
Hood sensor
Media card reader
Flying parallel port header
ReadyBoost module