Seagate ST9235A ユーザーズマニュアル

Master/slave

configuration jumpers

Circuit board

Pin 1

Pin 20 removed for keying

Drive is master; no slave present

Drive is master; Seagate slave drive present

Drive is slave; Seagate master drive present

Reserved positions (do not use)

Note. Drive is shown with

     circuit board up.

A       C
B       D

4

ST9235 Family Installation Guide,  Rev. B