E–2
376220-001
Service Reference Guide, dc51000
J69
J70
J71
J72
J73
Video connector, VGA
Primary single USB connector
Secondary single USB port
Microphone jack
Line-in jack
J74
J75
J76
J77
J78
Line-out jack
Headphone jack
Volume control
Double-stacked headphone, Top = microphone, Bottom = headphone
Double-stacked line-in, Top = line-in, Bottom = line-out
J80
J81
J82
J83
J101
Stacked serial/audio connector
Primary double-stack USB, Top = Port 2, Bottom = Port 1
Secondary double-stack USB, Top = Port 4, Bottom = Port 3
Triple-stacked audio jack (line in, line out/headphone, microphone)
Security board connector for daughter card
J9020-J9029
J9030-J9034
JP49/E49
L1
L2
PCI slots on riser card
PCI express slots on riser card
Clear password header/jumper
USB front port choke (1st)
USB rear port choke (1st)
L3
L4
L5
P1
P2
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)
P3
P4
P5
P6
P7
Processor 12V header
Secondary Processor 12V header
Main Power/HDD LED connector
Speaker connector
Analog audio connector (from CD-ROM)
P8
P9
P10
P11
P12
Primary chassis fan connector
Secondary chassis fan connector
Diskette drive connector
Auxiliary Audio connector
Alert on LAN NIC connector
P13
P15
P16
P20
P21
VRM module footprint
AUI connector
Fan command/fan sink header (may be 2 or 4 pin)
Primary IDE connector
Secondary IDE/MultiBay connector
P22
P23
P24
P25
P26
Header for NEWCARD
Header for front panel audio
Header for front panel USB
Internal USB connector 1
Internal USB connector 2
Designator
Component
(Continued)