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Technical Reference Guide
6.4 SIGNAL DISTRIBUTION
Figures 6-5 and 6-6 shows general signal distribution between the main subassemblies of the
system units.
OTES:
Chassis
Fan
Cover Sensor
Graphics
Controller
Audio
Fan
PWR
AGP
Bus
PCI Bus
Riser
Card
(SPN 252298)
System
Board
(PCA #011466
or 011351)
Conn.
P70
AGP
Conn. J40
Conn.
P6
Riser
Conn.
J30
Cover Lock
Solenoid
(Optional)
Cover Sensor
Conn.
P124
12.8 Vcpu
Conn.
J4002
Power
Supply
Assembly
3/5/12 VDC, 3/5AUX
Conn.
P1
Fan Cntrl., PS On
IDE
Data, Cntl
5, 12 VDC
Pri. IDE
Conn. P20
IDE
Hard Drive
CD-ROM
IDE I/F
Sec. IDE
Conn. P21
5, 12 VDC
L/R Audio
Audio
Conn. P7
Diskette Drive
Dskt.
Data, Cntl
5, 12 VDC
Dsk.
Conn. P10
Mouse
Kybd.
Conn. J68
Mouse
Keyboard
N
[1] See Figure 6-7 for header pinout.
igure 6–5. Small Form Factor Signal Distribution Diagram F
Compaq Evo and Workstation Personal Computers
Featuring the Intel Pentium 4 Processor
Second Edition - January 2003
6-9