22 Oct
2015
22 Oct
'15
8:12 a.m.
On 2015-10-22 17:07, Paul Koning wrote:
What I said was that the VT100 is field upgradeable to a VT102, but that
this would be a functional equivalent to a VT102. They will look very
different inside. I said that the VT102 is not the same as a VT100 with
the added AVO and printer port.
Read the full paragraph.
On Oct 22, 2015, at 10:36 AM, Johnny Billquist
<bqt at Update.UU.SE> wrote:
On 2015-10-22 16:32, Paul Koning wrote:
Paul, I think you just said the same thing I did. Did you misunderstand me, or did I do a
typo somewhere?
No, you said that the VT100 is field upgradeable to the VT101 and/or VT102. And I said
that there are several VT100 variants, and that a VT100-xx is field upgradeable to a
VT100-yy. But no VT101 or VT102 is field upgradeable to anything else, nor is a VT100
field upgradeable to a VT101 or VT102. On Oct 22, 2015, at 9:15 AM, Johnny Billquist
<bqt at Update.UU.SE> wrote:
...
The VT100 is field upgradeable to a VT101 (I think) or a VT102 (I know). However, the
VT102 is not the same as a VT100 with the added AVO and printer. Functionally they are the
same, but inside they will look different.
That doesn't sound right.
The way I remember it is that the VT100 comes in several configurations (for example AVO
or not) and you can field modify it from one to another.
On the other hand, the VT101 and VT102 are fixed configs (that is, not intended to be
field upgradable), roughly matching the base and AVO versions of the VT100 in
functionality.
It may be that you could, with enough knowledge, turn a VT101 into a VT102 or vice versa,
but that wasn't a supported operation from what I remember. To elaborate: the VT101 and VT102 are a generation
after the VT100, each fixed config. I'm guessing that the fixed config thing was
done, as well as the other changes in the details, to reduce cost. Cost reducing a
product while leaving its features largely untouched was a standard thing to do at DEC
(and for that matter is a standard thing to do at any manufacturing organization).
Yes. And I said that as well. :-)
Johnny
--
Johnny Billquist || "I'm on a bus
|| on a psychedelic trip
email: bqt at softjar.se || Reading murder books
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