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IBM PS/2 Model 80 floppy calbe

PS80 Photos

PS80 Photos

Hi there..
I have two PS/80's and they are different..

The first one is 8580-321 or a a 80-386, it has the following cable..
20191023_082326.jpg The front of the drive
20191023_081916.jpg Overview photo
20191023_082021.jpg One side
20191023_082034.jpg Other side
20191023_082039.jpg Closeup Motherboard end
20191023_082050.jpg Closeup Floppy end
20191023_082055.jpg Closeup mother board end other side

The second one is 8580-111 or just a 80 model
20191023_082802.jpg The front of the drive
20191023_082838.jpg Overview photo
20191023_083003.jpg Overview photo

As you can see they have different cables depending on the diskette drive and/or the motherboard. Here is a listing of all the PS/2 diskette drive and cable p/n from IBM. Note these are the latest numbers as some of them changed over time..
Diskette_1.jpg
Diskette_2.jpg
There are some resources on the net that talk about the different interfaces of the PS line diskette drives.. You can always measure on the motherboard the pins for +5v and +12v and ground pins to be sure not to fry anything.
Rgds,
Simmi
 

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There are a number of points:

1) the 8580-111 (110MB ESDI drive and controller) has the 40-pin floppy+power connector and card-edge drives and cable connectors.
2) the 8580-321 (320MB SCSI drive and controller) has the "normal" 34-pin floppy drives with separate power.
3) IBM PS/2 3.5" floppy drives are all jumpered as Drive 1 and the twist between A: and B: connectors swaps DS0&1 and ME0&1 respectively.

HTTH
 
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