G-2
System Board and Riser Board Reference Designators
Reference Designators
Continued
Designator
Component
J77
Double-stacked headphone/microphone connector
Top
Microphone
Bottom
Headphone
J78
Double-stacked line-in/line-out connector
Top
Line in
Bottom
Line out
J80
Stacked serial/audio connetor
J81
Primary double stack USB
Top Port
2
Bottom
Port 1
J82
Secondary double stack USB
Top Port
4
Bottom
Port 3
P1
P/S connector
P2
Second P/S connector (as required)
P3
Third P/S connector (as required)
P5
Main Power switch and HDD and power LED connector (pins 1-9) and
SCSI LED connector (pins 10-11)
P6
Speaker connector
P7
Audio connector (from CD-ROM)
P8
Chassis fan connector
P9
WOL connector (NIC cable)
P10
Diskette drive connector
P11
Second Audio connector
P12
Alert on LAN NIC connector
P15
AUI connector
P20
Primary IDE connector
P21
Secondary IDE connector
P22
Slimline CD-ROM connector
P25 - P26
Video memory upgrade connector
P29
SCSI LED connector
P30
Primary SCSI connector
P31
Secondary SCSI connector
P53
First serial port
P54
Second serial port
P55
Double stack serial port
Top
Serial B
Bottom
Serial A
P58
Riser edge connector (male-mates with J30)
P70
Processor (CPU) fan header for fansink
P89
Floating serial port /COM port header
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