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--- 5_25_floppy_drives:alps_dfc642b [2021/06/11 09:13] – js
+++ 5_25_floppy_drives:alps_dfc642b [2021/06/11 11:17] (current) – [84 track seeking] js
@@ Line 34: / Line 34: @@
 {{pdfjs 100%,800px>:5_25_floppy_drives:alps_dfc642b:geb-2294v-0.pdf?page-width}}
 ++++
+===== Modifications =====
+==== 84 track seeking ====
+Unmodified drives will not be able to seek 84 tracks. A small modification is required to enable this.
+{{:5_25_floppy_drives:alps_dfc642b:mod_84tracks_1.jpg?200|}}
+{{:5_25_floppy_drives:alps_dfc642b:mod_84tracks_2.jpg?200|}}
+The modification can be performed by following these steps:
+  - Loosen the two screws holding the end stop of the stepper motor as pictured.
+  - Move the end stop all the the way up, away from the axle.
+  - Tighten the screws while retaining the end stop in the upper position.