DSystem 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

E16

 

ROM 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

 

 

 

92 Appendix D System Board and Riser Board Reference Designators