HP Dc7900 Technical Reference Guide: HP Compaq dc7900 Series Business Desktop - Page 88

Signal Distribution, Table 7-7., System Board Component Designations, Designator

Page 88 highlights

Power and Signal Distribution 7.4 Signal Distribution Table 7-7 lists the reference designators for LEDs, connectors, headers, and switches used on the system boards for systems covered in this guide. Unless otherwise indicated, components are used on all system boards. Designator CR1 E1 E14 E49 / JP49 J9 J10 J20 J21 J22 J31 J32 J41 J42 J50 J68 J69 J78 J103 P1 P3 P5 P6 P8 P9 P10 P23 P24 P52 P53 P54 P60 P61 P62 P63 P64 P124 P125 P126 P150 P151 Table 7-7. System Board Component Designations Component function +5 VDC LED Descriptor table override header SPI ROM boot block header Password clear header / jumper Stacked RJ-45 & dual USB connectors Stacked quad USB connectors PCI 2.3 connector PCI 2.3 connector PCI 2.3 connector PCIe x1 connector PCIe x1 connector PCIe x16 graphics connector PCIe x4 graphics (x16) connector Parallel port Stacked keyboard, mouse PS/2 connectors VGA monitor DB-15 connector Stacked audio line-in, headphone/line-out 1/8" jacks DC input Power supply connector Vccp (PWRCPU) header Control panel (power button, power LED) header Internal speaker header CPU fan header Chassis fan, primary, header Diskette drive connector Front panel audio header Front panel USB header Serial port, secondary, header Serial port, primary connector Serial port, primary header SATA0 (controller 1, primary master) connector (dark blue) SATA1 (controller 1, secondary master) connector (white) SATA2 (controller 1, primary slave) connector (light blue) SATA3 (controller 1, secondary slave) connector (orange) SATA4 / eSATA (controller 2, primary master) connector (black) Hood lock header Hood sense header Parallel port header Media reader header Ready boost / dash NIC header Notes SFF & CMT only CMT only CMT only SFF & CMT only SFF & CMT only SFF & CMT only SFF & CMT only SFF & CMT only USDT only SFF & CMT only SFF & CMT only SFF & CMT only SFF & CMT only SFF only SFF & CMT only SFF & CMT only CMT only SFF & CMT only SFF & CMT only SFF and CMT only 7-10 www.hp.com Technical Reference Guide

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7-10
www.hp.com
Technical Reference Guide
Power and Signal Distribution
7.4 Signal Distribution
Table 7-7 lists the reference designators for LEDs, connectors, headers, and switches used on the
system boards for systems covered in this guide. Unless otherwise indicated, components are
used on all system boards.
Table 7-7.
System Board Component Designations
Designator
Component function
Notes
CR1
+5 VDC LED
E1
Descriptor table override header
E14
SPI ROM boot block header
E49 / JP49
Password clear header / jumper
J9
Stacked RJ-45 & dual USB connectors
J10
Stacked quad USB connectors
J20
PCI 2.3 connector
SFF & CMT only
J21
PCI 2.3 connector
CMT only
J22
PCI 2.3 connector
CMT only
J31
PCIe x1 connector
SFF & CMT only
J32
PCIe x1 connector
SFF & CMT only
J41
PCIe x16 graphics connector
SFF & CMT only
J42
PCIe x4 graphics (x16) connector
SFF & CMT only
J50
Parallel port
SFF & CMT only
J68
Stacked keyboard, mouse PS/2 connectors
J69
VGA monitor DB-15 connector
J78
Stacked audio line-in, headphone/line-out 1/8” jacks
J103
DC input
USDT only
P1
Power supply connector
SFF & CMT only
P3
Vccp (PWRCPU) header
P5
Control panel (power button, power LED) header
P6
Internal speaker header
P8
CPU fan header
P9
Chassis fan, primary, header
P10
Diskette drive connector
SFF & CMT only
P23
Front panel audio header
P24
Front panel USB header
P52
Serial port, secondary, header
SFF & CMT only
P53
Serial port, primary connector
SFF & CMT only
P54
Serial port, primary header
SFF only
P60
SATA0 (controller 1, primary master) connector (dark blue)
P61
SATA1 (controller 1, secondary master) connector (white)
SFF & CMT only
P62
SATA2 (controller 1, primary slave) connector (light blue)
SFF & CMT only
P63
SATA3 (controller 1, secondary slave) connector (orange)
CMT only
P64
SATA4 / eSATA (controller 2, primary master) connector (black)
SFF & CMT only
P124
Hood lock header
SFF & CMT only
P125
Hood sense header
P126
Parallel port header
SFF and CMT only
P150
Media reader header
P151
Ready boost / dash NIC header