# Internal Diskdrive

(at the computer & diskdrives)

34 PIN IDC MALE at the computer & diskdrives.

Pin | Name | Dir | Description
--- | --- | --- | ---
2 | /REDWC |  | Density Select
4 | n/c |  | Reserved
6 | n/c |  | Reserved
8 | /INDEX |  | Index
10 | /MOTEA |  | Motor Enable A
12 | /DRVSB |  | Drive Sel B
14 | /DRVSA |  | Drive Sel A
16 | /MOTEB |  | Motor Enable B
18 | /DIR |  | Direction
20 | /STEP |  | Step
22 | /WDATE |  | Write Data
24 | /WGATE |  | Floppy Write Enable
26 | /TRK00 |  | Track 0
28 | /WPT |  | Write Protect
30 | /RDATA |  | Read Data
32 | /SIDE1 |  | Head Select
34 | /DSKCHG |  | Disk Change

Note: Direction is Computer relative Diskdrive.
Note: All odd pins are GND, Ground.

Note: Can be an Edge-connector on old PC's.

Contributor: Joakim Ögren

Source:
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Copyright © The Hardware Book Team 1996-2001.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2001-06-07