Pleas ID this IBM system....
paulkoning at comcast.net
Tue Apr 9 08:30:34 CDT 2019
> On Apr 8, 2019, at 9:40 PM, Jon Elson via cctalk <cctalk at classiccmp.org> wrote:
> On 04/08/2019 06:10 PM, Tom Gardner via cctalk wrote:
>> FWIW the tape drive is an IBM 2315 announced April 16, 1965 <https://www.ibm.com/ibm/history/exhibits/dpd50/dpd50_chronology3.html> for use on low end S/360s. Here is a brochure <http://ed-thelen.org/comp-hist/IBM-ProdAnn/2415.pdf> as well as manuals at http://www.bitsavers.org/pdf/ibm/2415/
> So, is that a capstan and pinch roller drive? I'd kind of guess so, if announced in 1965.
I don't think other companies followed that strange design approach even back then, though. Never mind the pinch roller part; I could never understand why IBM would build vacuum columns with the oxide facing out, sliding against the vacuum column side walls.
> (for future readers, 2315 is apparently a typo, 2415 would fit in with 24xx models being tape drives, 23xx was for disks.)
Yes, 2315 is the RK05 lookalike found in the 360 model 44.
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