Figure 7-5. Backplane Header - Compaq EN Series Technical Reference Manual

Chapter 7 Power and Signal Distribution
(Panel LEDs, Pwr Btn)
(Chassis Fan)
(Wake On LAN)
NOTE:
No polarity consideration required for cable connection to
header P6 (speaker) or P29 (SCSI HD LED).
Figure 7–5. Backplane Header Pinouts
7-8 Compaq Deskpro EN Series of Personal Computers
Desktop and Minitower Form Factors
Header P5
Pins
1,3
2,3
1 2
4
5
4
3
6
5 6
7
7
8
8
9
10
9,10
Header P7
(CD Audio)
1
Pins
2
1,3
3
2
4
4
Header P8
Pins
1
1
2
2
3
4
4
Header P9
Pins
1
1
2
2
3
3
Third Edition - September 1998
Function
Cover Lock & 12 VDC
Cover Unlock & 12 VDC
Not connected
Power LED (-)
HD LED (-)
Power LED (+)
HD LED (+)
Power Button
Function
Signal ground
Left Audio Channel
Right Audio Channel
Function
Fan present sense
Fan Power (-)
Key
Fan Power (+)
Function
+5 AUX
Ground
WOL signal