Chapter 7  Power and Signal Distribution
   Compaq Deskpro 4000 and 6000 Personal Computers
      featuring the Pentium II Processor
First Edition - October 1997
7-6
7.4  SIGNAL DISTRIBUTION
Figure 7-4 shows general signal distribution between the main subassemblies of the system unit.
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
System
Board
32-Bit PCI Bus
16-Bit ISA Bus
Riser  Card
Mon ID [3]
ISA Connectors (3)
PCI Connectors [1]
Hood Switch Cover
SW.
Backplane Type
P1
DDC
Conn.
Power
Supply
Assembly
+3.5, +/- 5,
+5 AUX, +/- 12 VDC
PS On
Fan Off
Riser
Card
Conn
Power
Conn
IDE
Conn
IDE I/F
CD-ROM
Audio Conn
Kybd./Mouse
Conn
K
bd
Mouse
5, 12 VDC
Dsk.
Conn
Dsk I/F
Diskette Drive
J21
P1
IDE I/F
IDE
Conn
P20
P21
P10
IrDA
Conn
IR Don
le
J7
J5
LED/
SW Conn
P100
Power On
HD Activity
Power Button
PWR SW, PWR LED, HD LED, Lock
P101
Audio
Cover Lock
5, 12 VDC
5, 12 VDC
IDE
Hard Drive
Ultra SCSI
Hard Drive
SCSI I/F
SCSI
Conn
J6
5, 12 VDC