8-Inch floppy Disk connector

#Computer#Storage Connectors

50 pin EDGE or IDC connector at the computer?

PinNameDirDescription
2/REDWC<--Reduced Write Current
4n/c-Reserved
6n/c-Reserved
8n/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
24n/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
48n/c-Not connected
50n/c-Not connected
Note: Direction is Computer relative Diskdrive.
Note: All odd pins are GND, Ground.

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