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Message from discussion System/360--50 years--the future?
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Patrick Scheible  
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 More options Oct 8 2012, 12:17 pm
Newsgroups: alt.folklore.computers
From: Patrick Scheible <k...@zipcon.net>
Date: Mon, 08 Oct 2012 09:14:23 -0700
Local: Mon, Oct 8 2012 12:14 pm
Subject: Re: System/360--50 years--the future?
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Peter Flass <Peter_Fl...@Yahoo.com> writes:
> On 10/7/2012 6:02 PM, hanco...@bbs.cpcn.com wrote:
>> On Oct 5, 4:56 pm, Shmuel (Seymour J.) Metz
>> <spamt...@library.lspace.org.invalid> wrote:

>>>> Note above.   The B2500 was the designated replacement for B300
>>>> systems.

>>> Just as the IBM S/360 was the designated successor for the 1400 and
>>> 7000 series, but it was still a new, incompatible architecture, not a
>>> followon.

> Wasn't the VAX the designated successor of the PDP-10?

No.  No way.  HELL NO!

DEC^wDigital may have wished their PDP-10 customers would go out and buy
three or four Vaxes to replace every PDP-10, but the Vax was in no sense
a successor.  It wasn't more powerful.  Software for the -10 was neither
binary nor source-code compatible with the Vax.  There was little to
nothing in the way of conversion tools to help -10 sites convert.  The
PDP-10 customers were in fact orphaned; only real successors were third
party machines from Foonly and XKL and Ken Harrenstien's emulator, and
they weren't available until many years after the -10 was discontinued.

The Vax was more reasonably called the successor of the PDP-11, but
that's a whole different line of computers.

-- Patrick


 
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