HP dc7608 manual Designator, Component

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