8" Floppy Diskdrive

UNKNOWN (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 ╓gren, Dennis Painter
Source: ?
Please send any comments to Joakim ╓gren.