[vcf-midatlantic] IBM 3174 (older version)

Dean Notarnicola dnotarnicola at gmail.com
Mon Aug 15 12:33:36 EDT 2016

I privately emailed you


On Monday, August 15, 2016, Jonathan Gevaryahu via vcf-midatlantic <
vcf-midatlantic at lists.vintagecomputerfederation.org> wrote:

> On 8/15/2016 10:51 AM, Matt Patoray via vcf-midatlantic wrote:
>> On Mon, Aug 15, 2016 at 10:41 AM, william degnan via vcf-midatlantic <
>> vcf-midatlantic at lists.vintagecomputerfederation.org> wrote:
>> For $88, it's prob close to a handful of people here who could pick up,
>>> someone I am sure could make use of this for their IBM 80's 90's
>>> mainframe
>>> stuff...I know Dave McGuire has an IBM S/370 system that use two of these
>>> as part of it at the museum in Pittsb.  The're used to connect printers
>>> and
>>> terminals.
>>> http://www.ebay.com/itm/IBM-3174-11R-CONTROLLER-DATA-
>>> PROCESSOR-/142073134011?hash=item211437fbbb:g:XiYAAOSwUuFWv0sw
>>> --
>>> Bill Degnan
>>> It looks like this terminal controller uses SNA not Bus and Tag(Parallel
>> channel IO) through Bus and Tag could be added through another I/O card,
>> this is also the single floppy drive model so that limits its
>> functionality
>> a bit over the 2 floppy model. They are not that bad to move, just really
>> an awkward size, shape (I have managed to take one and stack it on top of
>> a
>> DEC short rack without too much trouble).
>> For reasons involving imaging various floppy disks, I've got two of the
> funky 2.4MB 5.25" floppy drives the 3174 used here(one from each of the
> two(?) manufacturers IBM used), as well as one of the 3174 firmware/boot
> disks (3174 CONTROL // MACHINE 3174 P/N 74F3319 E/C C40960 ML93155
> MICROCODE LVL C3.0). I forget whether the floppies/drives are 192TPI or if
> they're 96TPI with ultra-high density (ED).
> If someone needs to borrow one I could lend it out, but I do need it back.
> --
> Jonathan Gevaryahu
> jgevaryahu at gmail.com
> jgevaryahu at hotmail.com

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