HP Dc7800 Service Reference Guide - HP Compaq dc7800 Business PC - Page 264
System Board and Riser Board Reference Designators, Designator, Component
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E System Board and Riser Board Reference Designators These reference designators are used on most but not all HP system and riser boards. Designator BAT CR1 CR2 CR3 CR4 CR35 E14 E15 E16 E25 E49/JP49 E50 J7 J9 J10 J11 J12 J13 J14 J20 - 29 J30 J31 - J35 J37 Component Battery socket/Battery LED - 5V_Aux (on) Health-LED UID LED Power LED Hard drive activity LED Boot block header/jumper Boot block recovery header ROM recovery header CPLD programming header Clear Password header/jumper Clear CMOS header RJ45 jack Stacked RJ45/Dual USB Quad stacked USB First IEEE 1394 connector Second IEEE 1394 connector SPDIF input SPDIF output PCI slots PCI extender slot (male) PCI Express slots Primary SCSI connector 252 Appendix E System Board and Riser Board Reference Designators