[GreenKeys] Teletype Model 33 ASR vs. ASR33
WA5CAB at cs.com
WA5CAB at cs.com
Mon Aug 15 00:47:28 EDT 2011
I agree with Don.
In a message dated 08/14/2011 23:27:07 PM Central Daylight Time,
Packard42 at gmail.com writes:
> Chris,
>
> It does not matter how far back the term goes.
> It is still as incorrect today as it was when the computer people
> first wrote it down.
>
> Don
> K9TTY
>
>
>
> On 14 Aug 2011, at 10:43 AM, Chris Elmquist wrote:
>
> On Sunday (08/14/2011 at 11:15AM -0400), Christian Gauger-Cosgrove
> wrote:
> >
> >The swapping of the type designation (KSR, ASR, RO) and model number
> >on teletypes is due to the computing field. On machines that spoke
> >ASCII the model 33 was a far, far more common terminal then it's more
> >robust cousin the 35. This was due to cost, for example an excerpt
> >from the 1970 price list for the DEC PDP-15:
>
> Absolutely. I was going to respond similarly-- I have in front of me
> the assembly manual for the MITS Altair 680b microcomputer (c) 1976,
> which throughout refers to ASR33/KSR33 when discussing the 20mA
> console interface.
>
> So I think the precedent goes back at least 35 or 40 yrs.
>
> Chris N0JCF
>
> --
> Chris Elmquist
Robert & Susan Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480
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