Download HP Compaq dc7900 USDT Specifications

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 or VIN
CR2
Health-LED
CR3
UID LED
CR4
Power LED
E14
Boot block header/jumper
E15
Boot block recovery header
E16
ROM recovery header
E17
LAN IEEE test header
E25
CPLD programming header
E49/JP49
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
Second IEEE 1394 connector
J13
SPDIF input
J14
SPDIF output
J20 - 29
PCI slots
J30
PCI extender slot (male)
J31 - J35
PCI Express X1 slots
J41
PCI Express x16 graphics slot
273