HP Dc5700 HP Compaq dc5700 Business PC Service Reference Guide, 1st Edition - Page 205

E System Board and Riser Board Reference Designators These reference designators are used on most but not all HP system and riser boards. Designator Component BAT Battery socket/Battery CR1 LED - 5V_Aux (on) CR2 Health-LED CR3 UID LED CR4 Power LED CR35 E14 E15 E16 E25 E49/JP49 Hard drive activity LED Boot block header/jumper Boot block recovery header ROM recovery header CPLD programming header Clear Password header/jumper E50 Clear CMOS header J7 RJ45 jack J9 Stacked RJ45/Dual USB J10 Quad stacked USB J11 First IEEE 1394 connector J12 J13 J14 J20 - 29 J30 Second IEEE 1394 connector SPDIF input SPDIF output PCI slots PCI extender slot (male) J31 - J35 J37 J38 J39 J40 PCI Express slots Primary SCSI connector Secondary SCSI connector Stacked parallel/SCSI connector AGP slot J41 x16 PCI Express slot for graphics J50 First parallel port J51 Second parallel port J52 Double-stacked parallel port, Top = Port B, Bottom = Port A J53 Parallel port over single Serial Port J54 Parallel port over Serial Port and Video Port J55 Parallel port over dual VGA ports J65 DVI connector J66 Keyboard connector, PS/2 (Closest to power supply) J67 Mouse connector, PS/2 Service Reference Guide, dc5700 437804-001 E-1