Compaq dx7400 Service Reference Guide - HP Compaq dx7400 Business PC - Page 190

Appendix E, System Board and Riser Board Reference Designators, Main Power/HDD LED connector

Page 190 highlights

JP49/E49 L1 L2 L3 L4 L5 P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P15 P16 P17 P18 P19 P20 P21 P22 P23 P24 P25 P26 P27 P29 P30 Clear password header/jumper USB front port choke (1st) USB rear port choke (1st) USB rear port choke (2nd) USB rear port choke (3rd) USB front port choke (2nd) P/S connector (20 or 24 pin) Second P/S connector (as required) Processor 12V header Secondary Processor 12V header Main Power/HDD LED connector Speaker connector Analog audio connector (from CD-ROM) Primary chassis fan header or primary CPU heatsink fan Secondary chassis fan header Diskette drive connector Auxiliary Audio connector Alert on LAN connector VRM module footprint AUI connector Fan command/fan sink header (may be 2 or 4 pin) Digital audio expansion header SPDIF internal input header SPDIF internal output header Primary IDE connector Secondary IDE/MultiBay connector Header for NEWCARD Header for front panel audio Header for front panel USB Internal USB connector 1 Internal USB connector 2 MultiBay header SCSI LED connector PCI extender slot (female) 180 Appendix E System Board and Riser Board Reference Designators

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JP49/E49
L1
Clear password header/jumper
USB front port choke (1st)
L2
L3
L4
L5
P1
USB rear port choke (1st)
USB rear port choke (2nd)
USB rear port choke (3rd)
USB front port choke (2nd)
P/S connector (20 or 24 pin)
P2
P3
P4
P5
P6
Second P/S connector (as required)
Processor 12V header
Secondary Processor 12V header
Main Power/HDD LED connector
Speaker connector
P7
P8
P9
P10
P11
Analog audio connector (from CD-ROM)
Primary chassis fan header or primary CPU heatsink fan
Secondary chassis fan header
Diskette drive connector
Auxiliary Audio connector
P12
P13
P15
P16
P17
Alert on LAN connector
VRM module footprint
AUI connector
Fan command/fan sink header (may be 2 or 4 pin)
Digital audio expansion header
P18
P19
P20
P21
P22
SPDIF internal input header
SPDIF internal output header
Primary IDE connector
Secondary IDE/MultiBay connector
Header for NEWCARD
P23
P24
P25
P26
P27
Header for front panel audio
Header for front panel USB
Internal USB connector 1
Internal USB connector 2
MultiBay header
P29
P30
SCSI LED connector
PCI extender slot (female)
180
Appendix E
System Board and Riser Board Reference Designators