# 8" Floppy Diskdrive

(at the computer)

50 PIN EDGE or IDC at the computer??.

Pin | Name | Dir | Description
--- | --- | --- | ---
2 | /REDWC |  | Reduced Write Current
4 | n/c | - | Reserved
6 | n/c | - | Reserved
8 | n/c | - | Reserved
10 | /FD2S |  | Disk is two sided
12 | /DCG |  | Disk has been changed/door open
14 | /SIDE |  | Side select
16 | /DLOCK |  | Door lock
18 | /HLD |  | Head load
20 | /INDEX |  | Index Pulse
22 | /READY |  | Ready
24 | n/c | - | Not connected
26 | /SEL1 |  | Select Drive 1
28 | /SEL2 |  | Select Drive 2
30 | /SEL3 |  | Select Drive 3
32 | /SEL4 |  | Select Drive 4
34 | /DIR |  | Direction
36 | /STEP |  | Step
38 | /WDAT |  | Write data
40 | /WGAT |  | Write gate
42 | /TR00 |  | Track 00 (Zero)
44 | /WPROT |  | Write protect
46 | /RDATA |  | Read data
48 | n/c | - | Not connected
50 | n/c | - | Not connected

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

Contributor: | Joakim Ögren, Dennis Painter

Source: | ?

Copyright © The Hardware Book Team 1996-2004.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2002-01-10