
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 | ||
CR3 | UID LED | |
CR4 | Power LED | |
|
| |
CR35 | Hard drive activity LED | |
E14 | Boot block header/jumper | |
E15 | Boot block recovery 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 slots |
J37 |
| Primary SCSI connector |
J38 |
| Secondary SCSI connector |
J39 |
| Stacked parallel/SCSI connector |
J40 |
| AGP slot |
|
|
|
J41 |
| x16 PCI Express slot for graphics |
J50 |
| First parallel port |
J51 |
| Second parallel port |
J52 |
| |
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, dc7600 |