Technical Reference Guide
Compaq Deskpro EP Series of Personal Computer
First Edition – April 1998
6-7
6.4 GENERAL SIGNAL DISTRIBUTION
Figure 6-4 shows general signal distribution between the main subassemblies of the system unit.
Figure 6-5 shows the pinout of the front bezel control/indicator connector. Figure 6-6 shows the
pinout of the Wake-On-LAN connector.
NOTES:
[1] CDS models only.
[1] See Figure 6-5 for header pinout.
[2] 66-MHz slot 1 (2-DIMM) system only.
Figure 6–4.
General
Signal Distribution, Functional Block Diagram
System
Board
Power
Supply
Assembly
3/5/12 VDC
IDE
Data, Cntl
IDE
Hard Drive
5, 12 VDC
Conn.
P1
Pri. IDE
Conn. P20
Sec. IDE
Conn. P21
IDE I/F
CD-ROM
Ke
board
Mouse
Dsk.
Conn. P10
Diskette Drive
Conn.
P5 [1]
Power On
HD Activity
PWR Switch
Audio
5, 12 VDC
5, 12 VDC
Mouse
Conn. J8
Kybd
Conn. J7
AGP Connector
Dskt.
Data, Cntl
Power
On/Off
PWR LED
AGP Bus
IDE/SCSI HD LED
Graphics
Controller
(AGP Card)
Conn.
P8
Fan PWR
Chassis Fan [2]
Fan Off, PS On
ISA Connector
Audio
Controller
(ISA Card)
ISA Bus
Audio
A
A
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