Technical Reference Guide: HP Compaq 8100 Elite Series Business Desktop Computers

Technical Reference Guide www.hp.com 7-7
Power and Signal Distribution
7.5 Signal Distribution
Table 7-6 lists the reference designators for LEDs, connectors, indicators, and switches used on
the system boards for systems covered in this guide. Unless otherwise indicated, components are
present on all system boards.
Table 7-6.
System Board Connector, Indicator, and Switch 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
J21 PCI 2.3 connector CMT only
J22 PCI 2.3 connector CMT only
J31 PCIe x1 connector
J32 PCIe x1 connector
J41 PCIe x16 graphics connector
J42 PCIe x4 graphics (x16) connector
J50 Parallel port
J68 Stacked keyboard, mouse PS/2 connectors
J69 VGA monitor DB-15 connector
J78 Stacked audio line-in, headphone/line-out 1/8” jacks
P1 Power supply header
P2 Power supply header
P3 Power supply header
P5 Control panel (power button, power LED) header
P6 Internal speaker header
P8 CPU fan header
P9 Chassis fan, primary, header
P23 Front panel audio header
P24 Front panel USB header
P52 Serial port, secondary, header
P53 Serial port, primary connector
P54 Serial port, primary header SFF only
P60 SATA0 (controller 1, primary master) connector (dark blue)
P61 SATA1 (controller 1, secondary master) connector (white)
P62 SATA2 (controller 1, primary slave) connector (light blue)
P63 SATA3 (controller 1, secondary slave) connector (orange) CMT only
P64 SATA4 / eSATA (controller 2, primary master) connector (black)
P124 Hood lock header
P125 Hood sense header
P126 Parallel port header
P150 Internal USB header
P151 Internal USB header
P160 SATA power