IBM 9331-011 8" External Floppy Drive - eBay 183038271095

[Chuck Guzis]

On 02/01/2018 10:25 PM, Josh Dersch via cctalk wrote:


> 50-pin edge       37-pin Dsub        34-pin edge
> -----------       -----------        -----------
> 1                 20                    GND
> 2                 2                           (TG43)
> 9                 25                    GND
> 10                7                     N/C
> 11                37                    GND
> 12                19                    34    (Ready)
> 13                36                    GND
> 14                18                    32    (Side1)
> 17                28                    GND
> 18                10                    16    (Motor ON/Load)
> 19                24                    GND
> 20                6                     8    (Index)
> 21                27                    GND
> 22                9                     N/C
> 25                26                    GND
> 26                8                     12    (DS1->DS0)
> 33                29                    GND
> 34                11                    18    (Direction)
> 35                30                    GND
> 36                12                    20    (Step)
> 37                31                    GND
> 38                13                    22    (Write Data)
> 39                32                    GND
> 40                14                    24    (Write Gate)
> 41                33                    GND
> 42                15                    26    (Track 0)
> 43                34                    GND
> 44                16                    28    (Write Protect)
> 45                35                    GND
> 46                17                    30    (Read Data)

There's also a wiring list in the CompatiCard IV manual, from what, 20
years ago and a description of the cable in the 22Disk manual from (has
it been that long?) 30 years ago.

Nihil sub sole novum.

--Chuck