System Board and Riser Board Reference Designators

Designator

Component (Continued)

 

 

J68

Stacked mouse (Top)/keyboard (Bottom) connector

J69

Video connector, VGA

J70

Primary single USB connector

J71

Secondary single USB port

J72

Microphone jack

 

 

J73

Line-in jack

J74

Line-out jack

J75

Headphone jack

J76

Volume control

J77

Double-stacked headphone (Bottom)/microphone (Top) connector

 

 

J78

Double-stacked line-in (Top)/line-out (Bottom) connector

J80

Stacked serial/audio connector

J81

Primary double-stack USB, Top = Port 2, Bottom = Port 1

J82

Secondary double-stack USB, Top = Port 4, Bottom = Port 3

J83

Triple-stacked audio jack (line in, line out/headphone, microphone)

 

 

J101

Security board connector, daughter card

J9020-J9029

PCI slots on riser card

J9030-J9034

PCI express slots on riser card

JP49/E49

Clear password header/jumper

L1

USB front port choke (1st)

 

 

L2

USB rear port choke (1st)

L3

USB rear port choke (2nd)

L4

USB rear port choke (3rd)

L5

USB front port choke (2nd)

P1

P/S connector (20 or 24 pin)

 

 

P2

Second P/S connector (as required)

P3

VCCP 12V header

P4

Secondary Processor 12V header

P5

Main Power/HDD LED connector

P6

Speaker connector

 

 

P7

Audio connector (from CD-ROM)

P8

Primary chassis fan connector

P9

Secondary chassis fan connector

P10

Diskette drive connector

P11

Auxiliary Audio connector

 

 

P12

Alert on LAN NIC connector

P13

VRM module footprint

P15

AUI connector

P16

Fan command/fan sink header (may be 2 or 4 pin)

P17

Digital audio expansion header

 

 

P18

SPDIF internal input header

P19

SPDIF internal output header

P20

Primary IDE connector

P21

Secondary IDE/MultiBay connector

P22

Header for NEWCARD

 

 

E–2

390742-002

Service Reference Guide, dc7600