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What model is your 3174?
Scott
Sent from my iPhone
> On Jun 28, 2019, at 14:38, Ivan Warren [email protected] [hercules-390] <[email protected]> wrote:
>
>
> Le 6/28/2019 à 7:41 PM, Benjamin Huntsman
> BHuntsman-KAweP20W6/[email protected] [hercules-390] a écrit :
>>
>>
>> Hi there!
>>
>> I've seen it discussed a few times, but no definitive answers that
>> I could piece together...
>>
>> Has anyone on here successfully read or duplicated a 3174 diskette
>> on a regular computer? If so, can you tell me what hardware, drive,
>> and software you used?
>>
>>
> What I managed to do was copy 5494 (5250 terminal controllers to connect
> to AS/400 systems) and I think they might be of the same era (and may
> have common components). Making succesful clones was never a problem.
>>
>> I'm trying to resurrect my old 3174 and get my 3290 running, and
>> I'm really hoping to know for sure:
>>
>>
>> 1. What format are the 3174 disks? I know they're 2.4MB drives, but
>> are the floppies actually 2.4MB?
>>
> They probably have a non disclosed format, but the block sizes are
> probably pretty standard (512 Bytes/block). They are double sided 5.25
> soft sectored HD (1.2MB per side). Cloning a diskette should be pretty
> easy.
>>
>> 1. Will the 3174 read a regular 5.25" floppy?
>>
> Well one that has been cloned shouldn't be a problem ! Modern boards
> probably no longer have a diskette controller - but there might be USB
> controlers hanging around, finding a 5.25 diskette drive could be a
> challenge as well as the media !
>
>> From a historical perspective, does anyone know anything about the
>> workflow or tools used in how IBM developed the 3174 and it's microcode?
>>
>>
> Not me.. Sorry...
>
>
> --Ivan
>
>
>
> [Non-text portions of this message have been removed]
>
>
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