E

System Board and Riser Board Reference Designators

These reference designators are used on most but not all HP system and riser boards.

Designator

Component

 

 

BAT

Battery socket/Battery

CR1

LED - 5V_Aux (on)

CR2

Health-LED

CR3

UID LED

CR4

Power LED

 

 

CR35

Hard drive activity LED

E14

Boot block header/jumper

E15

Boot block recovery header

E25

CPLD programming header

E49/JP49

Clear Password header/jumper

 

 

E50

Clear CMOS header

J7

 

RJ45 jack

J9

 

Stacked RJ45/Dual USB

J10

 

Quad stacked USB

J11

 

First IEEE 1394 connector

 

 

 

J12

 

Second IEEE 1394 connector

J13

 

SPDIF input

J14

 

SPDIF output

J20

- 29

PCI slots

J30

 

PCI extender slot (male)

 

 

 

J31

- J35

PCI Express slots

J37

 

Primary SCSI connector

J38

 

Secondary SCSI connector

J39

 

Stacked parallel/SCSI connector

J40

 

AGP slot

 

 

 

J41

 

x16 PCI Express slot for graphics

J50

 

First parallel port

J51

 

Second parallel port

J52

 

Double-stacked parallel port, Top = Port B, Bottom = Port A

J53

 

Parallel port over single Serial Port

 

 

 

J54

 

Parallel port over Serial Port and Video Port

J55

 

Parallel port over dual VGA ports

J65

 

DVI connector

J66

 

Keyboard connector, PS/2 (Closest to power supply)

J67

 

Mouse connector, PS/2

 

 

 

Service Reference Guide, dc7600

390742-002

E–1

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HP dc7608 manual System Board and Riser Board Reference Designators, Designator Component