Differences

This shows you the differences between two versions of the page.

--- 5_25_floppy_drives:nec_fd1157c [2021/05/26 18:09] – [Pictures] js
+++ 5_25_floppy_drives:nec_fd1157c [2021/06/11 11:32] (current) – js
@@ Line 15: / Line 15: @@
 ^ Disk loading | Lever |
 ^ Known colors |<WRAP>
-| <colorswatch #C7B99D: > | Light Beige \\ (PS/2 Beige) |
+| <colorswatch #EDE9D3: > | Light Beige \\ (PS/2 Beige) |
 </WRAP>|
 </WRAP>
@@ Line 22: / Line 22: @@
 It uses a metal belt mechanism to facilitate head movement and locks the disk with a lever. Head loading is done with a solenoid.
-It uses the [[#g9zhf|G9ZHF]] control board and the Sankyo SB88C motor board.
+It uses the [[#g9zhf|G9ZHF]] control board and the FDM-530BQ, GFS-505 or DR-9324 motor board.
 ===== Pictures =====
-| {{:5_25_floppy_drives:nec_fd1157c:back1.jpg?200 |}} \\ {{:5_25_floppy_drives:nec_fd1157c:back2.jpg?200 |}} | {{:5_25_floppy_drives:nec_fd1157c:top1.jpg?200 |}} {{:5_25_floppy_drives:nec_fd1157c:top2.jpg?200 |}} | {{:5_25_floppy_drives:nec_fd1157c:bottom.jpg?200 |}} |
+| {{:5_25_floppy_drives:nec_fd1157c:back1.jpg?200 |}} \\ {{:5_25_floppy_drives:nec_fd1157c:back2.jpg?200 |}} | {{:5_25_floppy_drives:nec_fd1157c:top1.jpg?200 |}} \\ {{:5_25_floppy_drives:nec_fd1157c:top2.jpg?200 |}} | {{:5_25_floppy_drives:nec_fd1157c:bottom1.jpg?200 |}} {{:5_25_floppy_drives:nec_fd1157c:bottom2.jpg?200 |}} \\ {{:5_25_floppy_drives:nec_fd1157c:bottom3.jpg?200 |}} {{:5_25_floppy_drives:nec_fd1157c:bottom4.jpg?200 |}} |
 | {{:5_25_floppy_drives:nec_fd1157c:front1.jpg?200 |}} \\ {{:5_25_floppy_drives:nec_fd1157c:front2.jpg?200 |}} \\ {{:5_25_floppy_drives:nec_fd1157c:front3.jpg?200 |}}| ::: | ::: |
 | {{:5_25_floppy_drives:nec_fd1157c:pcb1.jpg?200 |}} \\ {{:5_25_floppy_drives:nec_fd1157c:pcb2.jpg?200 |}}| ::: | ::: |
 ===== Jumper settings =====
 ==== G9ZHF ====
-{{ :5_25_floppy_drives:nec_fd1157c:g9Zhf.pdf |}}
+{{ :5_25_floppy_drives:nec_fd1157c:g9zhf.pdf |}}
 ++++View PDF|
-{{pdfjs 100%,800px>:5_25_floppy_drives:nec_fd1157c:g9Zhf.pdf?page-width}}
+{{pdfjs 100%,800px>:5_25_floppy_drives:nec_fd1157c:g9zhf.pdf?page-width}}
 ++++
+==== Head cover coming loose ====
+Over time the foam the adheres the head cover to the head assembly degrades and the head cover will fall off.
+While not being critical it is recommended to fix this issue.
+{{:5_25_floppy_drives:nec_fd1157c:fix_headcover_1.jpg?200|}}
+{{:5_25_floppy_drives:nec_fd1157c:fix_headcover_2.jpg?200|}}
+{{:5_25_floppy_drives:nec_fd1157c:fix_headcover_3.jpg?200|}}
+{{:5_25_floppy_drives:nec_fd1157c:fix_headcover_4.jpg?200|}}
+{{:5_25_floppy_drives:nec_fd1157c:fix_headcover_5.jpg?200|}}
+The Head cover repair can be performed by following these steps:
+  - Clean the head cover and the head assembly of any remaining glue and foam as best as possible.
+  - Cut out a small rectangle of neoprene sealing tape.
+  - Glue the rectangle to the head cover with the adhesive side facing up.
+  - Let the glue dry completely.
+  - Attach the head cover to the head assembly using the adhesive side.
+===== Modifications =====
+==== 84 track seeking ====
+Not all drives will be able to seek 84 tracks without some moderate modification.
+{{:5_25_floppy_drives:nec_fd1157c:mod_84tracks_1.jpg?200|}}
+The modification can be performed by following these steps:
+  - Unscrew the end stop screw on the stepper motor until it no longer protrudes out the other side.
+  - Re-align the tracks with a front bias, make sure that track 83 can be reached.