HP Deskpro /M Desktop PC 486/33M Deskpro Personal Computers Service Reference - Page 75

Reference Designators, Designator, Component

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Reference Designators Continued Designator Component J74 Line-out jack J75 Headphone jack J76 Volume control J77 Double-stacked headphone/microphone connector Top Microphone Bottom Headphone J78 Double-stacked line-in/line-out connector Top Line in Bottom Line out P1 P/S connector P2 Second P/S connector (as required) P3 Third P/S connector (as required) P5 Main Power HDD LED connector P6 Speaker connector P7 Audio connector (from CD-ROM P8 Second fan connector P9 WOL connector (NIC cable) P10 Diskette drive connector P11 Second Audio connector P15 AUI connector P20 Primary IDE connector P21 Secondary IDE connector P22 CD-ROM connector P25 - P26 Video memory upgrade connector P30 Primary SCSI connector P31 Secondary SCSI connector P53 First serial port P54 Second serial port P70 Processor fan header P89 Floating Serial Port Connector P100 ITP connector SW50 Clear CMOS switch XMM1 Memory slot. The first slot populated (DIMM1 or RIMM1) and tested. XMM2 - XMM5 Following memory slots XU1 Primary processor socket XU2 Secondary processor socket XU15 ROM socket G-2 System Board and Riser Board Reference Designators

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G-2
System Board and Riser Board Reference Designators
Reference Designators
Continued
Designator
Component
J74
Line-out jack
J75
Headphone jack
J76
Volume control
J77
Double-stacked headphone/microphone connector
Top
Microphone
Bottom
Headphone
J78
Double-stacked line-in/line-out connector
Top
Line in
Bottom
Line out
P1
P/S connector
P2
Second P/S connector (as required)
P3
Third P/S connector (as required)
P5
Main Power HDD LED connector
P6
Speaker connector
P7
Audio connector (from CD-ROM
P8
Second fan connector
P9
WOL connector (NIC cable)
P10
Diskette drive connector
P11
Second Audio connector
P15
AUI connector
P20
Primary IDE connector
P21
Secondary IDE connector
P22
CD-ROM connector
P25 - P26
Video memory upgrade connector
P30
Primary SCSI connector
P31
Secondary SCSI connector
P53
First serial port
P54
Second serial port
P70
Processor fan header
P89
Floating Serial Port Connector
P100
ITP connector
SW50
Clear CMOS switch
XMM1
Memory slot. The first slot populated
(DIMM1 or RIMM1) and tested.
XMM2 - XMM5
Following memory slots
XU1
Primary processor socket
XU2
Secondary processor socket
XU15
ROM socket