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
CR1
CR2
CR3
CR4
Battery socket/Battery
LED - 5V_Aux or VIN
Health-LED
UID LED
Power LED
E14
E15
E16
E17
E25
E49/JP49
Boot block header/jumper
Boot block recovery header
ROM recovery header
LAN IEEE test header
CPLD programming header
Clear Password header/jumper
E50
J7
J9
J10
J11
Clear CMOS header
RJ45 jack
Stacked RJ45/Dual USB
Quad stacked USB
First IEEE 1394 connector
J12
J13
J14
J20 - 29
J30
J31 - J35
Second IEEE 1394 connector
SPDIF input
SPDIF output
PCI slots
PCI extender slot (male)
PCI Express X1 slots
J41
PCI Express x16 graphics slot
273
Содержание Compaq dc7900 Business PC
Страница 1: ...Service Reference Guide HP Compaq dc7900 Business PC ...
Страница 4: ...iv About This Book ...
Страница 12: ...xii ...
Страница 79: ...Padlock Figure 7 3 Installing a Padlock External Security Devices 67 ...
Страница 134: ...Padlock Figure 8 3 Installing a Padlock 122 Chapter 8 Removal and Replacement Procedures Small Form Factor SFF Chassis ...