HP Evo D500 Reference Manual page 219

System Board and Riser Board Reference
These reference designators are used on most but not all HP system and riser boards.
Designator
BT1
CR1
CR2
CR3
CR11
CR34
CR35
E14
E49
E50
H5
J6
J7
J8
J9
J10 - 19
J20 - 29
J30
J31 - J35
J36
J37
J38
J39
J40
J50
J51
J52
J53
J54
J55
J65
J66
J67
Service Reference Guide, d500
Component
Battery socket/Battery
LED - 3.3V Aux
LED - Power button press
LED - PS_ON (off), 5.5V Aux (on)
CPU reset LED
Power ON LED
Hard drive activity LED
Boot block header/jumper
Clear Password header/jumper
Clear CMOS header
RTC clock crystal/Tie-down
BNC
RJ-45 Jack
IEEE 1394
Stacked RJ45/Dual USB connector
ISA slots
PCI slots
Riser board socket
Device Bay connectors
AC97 connector
Primary SCSI connector
Secondary SCSI connector
Stacked parallel/SCSI connector
AGP slot
First parallel port
Second parallel port
Double-stacked parallel port
Top Port B
Bottom Port A
Parallel port over single Serial Port
Parallel port over Serial Port and Video Port
Parallel port over dual VGA ports
DVI connector
Keyboard connector (Closest to power supply)
Mouse connector
336492-005
Designators
E
E–1