Seagate ST33221A Product Manual - Page 24

Cable select jumper

Page 24 highlights

20 Medalist 8641, 6531, 4321 and 3221, Rev. B Cable select jumper Some computers differentiate between master and slave drives using specially designed interface cables that have the line to pin 28 (the Cable Select pin) removed or cut at one connector. The connector that has pin 28 disabled is used for the slave drive. See your computer manual to determine whether your computer supports this feature. To configure your Seagate drive for cable select, place a jumper as shown on pins 5 and 6.

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20
Medalist 8641, 6531, 4321 and 3221, Rev. B
Cable select jumper
Some computers differentiate between master and slave drives
using specially designed interface cables that have the line to pin
28 (the Cable Select pin) removed or cut at one connector. The
connector that has pin 28 disabled is used for the slave drive.
See your computer manual to determine whether your computer
supports this feature. To configure your Seagate drive for cable
select, place a jumper as shown on pins 5 and 6.