Compaq dx7400 Service Reference Guide - HP Compaq dx7400 Business PC - Page 76

Cable Connections, Removal and Replacement Procedures Microtower MT Chassis

Page 76 highlights

Cable Connections Cable Power Supply Power Supply Power Supply Power Supply Power Supply Power Supply Power Supply Power Supply Power Supply Cable Power supply, 24-pin Power supply, 4-pin Diskette drive 1st SATA hard drive 2nd SATA hard drive Primary ODD Second ODD Heatsink fan Chassis fan Front power on button Front I/O USB Speaker Front audio Second Serial Port Media Card Reader To System board, 24-pin CPU power, 4-pin Not used Not used 2nd SATA hard drive 1st SATA hard drive Diskette drive 1st Optical drive 2nd Optical drive To System board System board System board System board System board System board System board System board System board System board System board System board System board System board System board Cable Designator P1 P2 P3 P4 P5 P6 P7 P8 P9 PCA Designator PWR PWRCPU FLPY SATA1 SATA3 SATA2 SATA4 CPUFAN1 CHFAN1 JFP1 IUSB1 SPKR AUDIO2 COMB IUSB2 66 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis

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Cable Connections
Cable
To
Cable Designator
Power Supply
System board, 24-pin
P1
Power Supply
CPU power, 4-pin
P2
Power Supply
Not used
P3
Power Supply
Not used
P4
Power Supply
2nd SATA hard drive
P5
Power Supply
1st SATA hard drive
P6
Power Supply
Diskette drive
P7
Power Supply
1st Optical drive
P8
Power Supply
2nd Optical drive
P9
Cable
To
PCA Designator
Power supply, 24-pin
System board
PWR
Power supply, 4-pin
System board
PWRCPU
Diskette drive
System board
FLPY
1st SATA hard drive
System board
SATA1
2nd SATA hard drive
System board
SATA3
Primary ODD
System board
SATA2
Second ODD
System board
SATA4
Heatsink fan
System board
CPUFAN1
Chassis fan
System board
CHFAN1
Front power on button
System board
JFP1
Front I/O USB
System board
IUSB1
Speaker
System board
SPKR
Front audio
System board
AUDIO2
Second Serial Port
System board
COMB
Media Card Reader
System board
IUSB2
66
Chapter 7
Removal and Replacement Procedures Microtower (MT) Chassis