Compaq dc7900 Technical Reference Guide: HP Compaq dc7900 Series Business Desk - Page 88
Signal Distribution, Table 7-7., System Board Component Designations, Designator
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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