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Chapter 7 Power and Signal Distribution
7.4
SIGNAL DISTRIBUTION
Figure 7-4 shows general signal distribution between the main subassemblies of the system unit.
System
Board
NOTES:
[1] No. of connectors determined by formfactor/riser card type (refer to chapter 2).
Deskpro 4000
Deskpro 6000
Figure 7–4. Signal Distribution Diagram
7-6
Compaq Deskpro 4000 and 6000 Personal Computers
featuring the Pentium II Processor
Hood Switch
Backplane Type
Riser
Mon ID [3]
Card
J21
Conn
32-Bit PCI Bus
16-Bit ISA Bus
PWR SW, PWR LED, HD LED, Lock
LED/
P100
SW Conn
+3.5, +/- 5,
+5 AUX, +/- 12 VDC
Power
PS On
P1
Conn
Fan Off
SCSI I/F
SCSI
J6
Conn
IDE I/F
IDE
P20
Conn
IDE I/F
IDE
P21
Conn
Audio
P101
Audio Conn
Dsk I/F
Dsk.
P10
Conn
Kybd./Mouse
J7
Conn
IrDA
J5
Conn
First Edition - October 1997
Cover
SW.
Riser Card
DDC
P1
Conn.
PCI Connectors [1]
ISA Connectors (3)
Power
Supply
Assembly
5, 12 VDC
Ultra SCSI
Hard Drive
5, 12 VDC
IDE
Hard Drive
CD-ROM
5, 12 VDC
Diskette Drive
5, 12 VDC
Kybd
Mouse
IR Dongle
Cover Lock
HD Activity
Power On
Power Button
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