Hard disk drives
Models: WDS-3100 and WDS-3200
Jumper settings
Option block
A bit is selected when a jumper is in place.

| Option |
Pins |
| Auto spin-up control |
9-10 |
| Device SCSI-ID selection |
1-2,3-4,5-6 |
| LED drive lines |
13-14 |
Notes:
- Pins 8, 11, and 12 are reserved
- Pin 7 is a key (missing)
- Jumper pin spacing is 2 mm
SCSI address
Note: SCSI-ID 7 is usually reserved for the host system controller.

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