> On Jan 16, 2018, at 11:51 PM, Alan Young <[email protected]> wrote:
> 
> Ed,
> 
> Are you perhaps thinking of the 3370? Ed Thelen's product announcement 
> archive for the 3370 indicates support on DOS/VSE and VM 370. The 3375 
> archived announcement indicates support by DOS/VSE, OS/VS1, VM370 and MVS and 
> all programming support for it must use the S/370 Count Key Data command set.
> 
> http://www.ed-thelen.org/comp-hist/IBM-ProdAnn/index.html 
> <http://www.ed-thelen.org/comp-hist/IBM-ProdAnn/index.html>
> 
> Alan:
 actually do not remember doing a system for 3375 devices for MVS. Dos and VM 
yes. 
*IF* there was one available we had it. Now I remember 3370’s for VM and 
DOS/vse.
 think the one saving device was the one responsible for system  generation and 
I just do not re think the numbers are solid.member a 3375. We  were also 
trying to limit the number of UCB’s and made sure they were under the line. The 
saving device for us were the 3174-2A. Response time through TCAM and then VTAM 
was acceptable, My numbers are fuzzy here but n oy did save our bacon.






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