Barracuda 9 Installation Guide, Rev. B | 39 |
W/WD drives
Terminator power
There are three possible terminator power configurations for ST19171W drives (see Figure 12). You will not normally need to change this option and can leave the drive configured as it was shipped from the factory.
There are two possible terminator power configurations for ST19171WD drives (see Figure 12).
Pin 1
| J2 | R |
ST19171W |
| T D M W P E T T |
| E S E P D S P P |
Term. Power from Drive (default)
Term. Power to SCSI Bus
Term. Power from SCSI Bus
ST19171WD
Position A
Term. Power to SCSI Bus (default)
Host adapter or other device provides term. power to external terminator.
| J6 | J2 |
| SCSI I/O J1 | |
|
| |
|
| Connector |
| Drive |
|
J2 Jumper Type | Front |
|
| DC Power | |
(enlarged to |
| |
show detail) |
| Connector |