Hard disk drives
Models: WDS-380 and WDS-3160
The following information is the only information available for these drives:
Jumper settings - Type A
There are two types (Type-A and Type-B) of jumper configuration for this
drive. This section describes Type-A jumper settings. The 3 position jumper block shown below is used to select the SCSI device ID.
LED output port is also provided to indicate the drive status.

SCSI address (J3 pins)
| 1-2 |
3-4 |
5-6 |
Address |
| OFF |
OFF |
OFF |
Address 0 |
| ON |
OFF |
OFF |
Address 1 |
| OFF |
ON |
OFF |
Address 2 |
| ON |
ON |
OFF |
Address 3 |
| OFF |
OFF |
ON |
Address 4 |
| ON |
OFF |
ON |
Address 5 |
| OFF |
ON |
ON |
Address 6 |
| ON |
ON |
ON |
Address 7 |
Device ID pin assignment J3
| Pin |
Status |
Description |
Signal Name |
| 1 |
In |
-device address select line 0 |
-DAS0 |
| 2 |
-- |
Ground |
Ground |
| 3 |
In |
-device address select line 1 |
-DAS1 |
| 4 |
-- |
Ground |
Ground |
| 5 |
In |
-device address select line 2 |
-DAS2 |
| 6 |
-- |
Ground |
Ground |
LED pin assignment J4
| Pin |
Status |
Description |
Signal Name |
| 1 |
Out |
+LED |
+LED |
| 2 |
Out |
-LED |
-LED |
Jumper settings - Type B
There are two types (Type-A and Type-B) of jumper configuration for this
drive. This section describes Type-B jumper settings. A 14 pin connector is populated on the card as illustrated below. These pins are
used to select SCSI ID or for other optional features.

Device ID and LED Portion Pin Assignments
| PIN |
Status |
Description |
Signal Name |
| 1 |
In |
-device address select line 0 |
-DAS0 |
| 2 |
-- |
Ground |
Ground |
| 3 |
In |
-device address select line 1 |
-DAS1 |
| 4 |
-- |
Ground |
Ground |
| 5 |
In |
-device address select line 2 |
-DAS2 |
| 6 |
-- |
Ground |
Ground |
| 7 |
-- |
Polarity key |
Key |
| 8 |
-- |
-LED (might be used as SPN READY) |
-LED |
| 9 |
In |
-Motor start |
-M_start |
| 10 |
-- |
Ground |
Ground |
| 11 |
In |
-Hard reset input |
-H_reset |
| 12 |
-- |
Ground |
Ground |
| 13 |
Out |
+LED |
+LED |
| 14 |
Out |
-LED |
-LED |
Device address select lines (-DAS0,-DAS1,-DAS2)
These three lines define KZ-P device ID on the SCSI bus. -DAS0 is the least
significant bit, and _DAS2 is the most significant bit. Device ID is defined as
follows:
| 1-2 |
3-4 |
5-6 |
Address |
| OFF |
OFF |
OFF |
Address 0 |
| ON |
OFF |
OFF |
Address 1 |
| OFF |
ON |
OFF |
Address 2 |
| ON |
ON |
OFF |
Address 3 |
| OFF |
OFF |
ON |
Address 4 |
| ON |
OFF |
ON |
Address 5 |
| OFF |
ON |
ON |
Address 6 |
| ON |
ON |
ON |
Address 7 |
Data organization
| Description |
WDS-380 |
WDS-3160 |
| Heads |
4 |
8 |
| Sectors/track |
17 |
16 |
| Cylinders |
1021 |
1021 |
| Capacity |
80 MB |
160 MB |
|