MICROPOLIS 4743SS
| Device Type |
Hard Drive |
| Interface |
Ultra SCSI |
| Size |
3.5 in. third height |
| View |
Bottom |
| DRIVE SELECTION (J2) |
| SCSI ID |
Pins 3 & 4 |
Pins 5 & 6 |
Pins 7 & 8 |
Pins 9 & 10 |
| 0 |
open |
open |
open |
open |
 1 |
closed |
open |
open |
open |
| 2 |
open |
closed |
open |
open |
| 3 |
closed |
closed |
open |
open |
| 4 |
open |
open |
closed |
open |
| 5 |
closed |
open |
closed |
open |
| 6 |
open |
closed |
closed |
open |
| 7 |
closed |
closed |
closed |
open |
| 8 |
open |
open |
open |
closed |
| 9 |
closed |
open |
open |
closed |
| 10 |
open |
closed |
open |
closed |
| 11 |
closed |
closed |
open |
closed |
| 12 |
open |
open |
closed |
closed |
| 13 |
closed |
open |
closed |
closed |
| 14 |
open |
closed |
closed |
closed |
| 15 |
closed |
closed |
closed |
closed |
| CONNECTIONS |
| Function |
Label |
| LED connector |
J2/pins 1 & 2 |
| USER CONFIGURABLE SETTINGS (J2) |
| Function |
Label |
Position |
| Write protect disabled |
Pins 15 & 16 |
open |
| Write protect enabled |
Pins 15 & 16 |
closed |
| Parity enabled |
Pins 17 & 18 |
open |
| Parity disabled |
Pins 17 & 18 |
closed |
| Factory configured - do not alter. |
Pins 19 & 20 |
unidentified |
| Factory configured - do not alter. |
Pins 21 & 22 |
unidentified |
| Factory configured - do not alter. |
Pins 23 & 24 |
unidentified |
| Factory configured - do not alter. |
Pins 25 & 26 |
unidentified |
| Factory configured - do not alter. |
Pins 27 & 28 |
unidentified |
| SPINDLE MOTOR SELECTION (J2) |
| Setting |
Pins 11 & 12 |
Pins 13 & 14 |
| Spindle motor starts on power-up |
open |
open |
| Spindle motor starts on command only |
closed |
open |
| Spindle motor start delayed by 12 sec x drive
ID |
open |
closed |
QUANTUM
CORPORATION
QUANTUM 420AT, 635AT, 850AT (TRAILBLAZER)
QUANTUM 540AT, 640AT, 1080AT, 1280AT (FIREBALL)
| Interface: |
IDE(AT) |
| Size: |
3.5 in. third height |
| View: |
Bottom |
| DRIVE CONFIGURATION |
| Selection |
|
DS |
SP |
|
| Drive is master |
|
closed |
open |
|
| Slave drive in a two drive system |
|
open |
open |
|
| Master drive when non-CAM drive is slave |
|
closed |
closed |
|
| Drive is master (cable select enabled) |
|
N/A |
open |
|
| Slave in a two drive system (cable select
enabled) |
|
N/A |
open |
|
| Master drive when non-CAM drive is slave
(cable select enabled) |
|
N/A |
closed |
|
| Note: When configuring master/slave with the Cable Select jumper
(CS), a cable that provides the correct signal to pin 28 needs to be used. |