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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
J50
Parallel port, DB-25 connector
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
P20
PATA (IDE), primary, connector
n/a
P21
PATA (IDE), secondary, connector
USDT only
P23
Front panel audio header
P24
Front panel USB header
P52
Serial port, secondary, header
SFF & CMT only
P53
Serial port, primary connector
CMT only
P54
Serial port, primary header
SFF only
P60
SATA0 (controller 1, primary) connector (dark blue)
P61
SATA1 (controller 1, secondary) connector (white)
SFF & CMT only
P62
SATA4 (controller 2, primary) connector (light blue)
SFF & CMT only
P63
SATA5 (controller 2, secondary) connector (orange)
CMT only
P70
CPU fan, primary header
CMT only
P124
Hood lock header
P125
Hood sense header
P126
Parallel port header
USDT only
P150
Media reader header
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Страница 32: ...2 16 www hp com Technical Reference Guide System Overview ...
Страница 80: ...6 8 www hp com Technical Reference Guide Integrated Graphics Subsystem ...
Страница 92: ...7 12 www hp com Technical Reference Guide Power and Signal Distribution ...