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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.

 
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