Service Reference Guide, d300, dx6050 319865-008 F–1
F
System Board and Riser Board Reference
Designators
These reference designators are used on most but not all HP system and riser boards.
Designator Component
BT1
CR1
CR2
CR3
CR11
Battery socket/Battery
LED - 3.3V Aux
LED - Power button press
LED - PS_ON (off), 5.5V Aux (on)
CPU reset LED
CR34
CR35
E14
E49
E50
Power ON LED
Hard drive activity LED
Boot block header/jumper
Clear Password header/jumper
Clear CMOS header
H5
J6
J7
J8
RTC clock crystal/Tie-down
BNC
RJ-45 Jack
IEEE 1394
J9
J10 - 19
J20 - 29
J30
J31 - J35
Stacked RJ45/Dual USB connector
ISA slots
PCI slots
Riser board socket
Device Bay connectors
J36
J37
J38
J39
J40
AC97 connector
Primary SCSI connector
Secondary SCSI connector
Stacked parallel/SCSI connector
AGP slot
J50
J51
J52
First parallel port
Second parallel port
Double-stacked parallel port
Top Port B
Bottom Port A
J53
J54
J55
J65
J66
J67
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
To Next Page
Loading...
