8" Floppy Diskdrive

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50 PIN EDGE or IDC at the computer

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

Notes

  • Direction is Computer relative Diskdrive
  • All odd pins are GND, Ground

References

Category:Data Storage Connectors

 

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