From: Pete Turnbull <pete_at_dunnington.u-net.com>
>On Jun 6, 19:34, ajp166 wrote:
>> I have a 11/73 and several 11/23s (some with clock mods for speed)
>> so I'm aware of what I said. MOST early 11/53 boxen actually had
11/23B
>> cpu cards (M8189).
>
>Allison, for once I feel you're wrong. An 11/53 is a distinct processor
>released a few years after the 11/73 and 11/83, as a low-cost option for
What part of what I wrote is unclear? The comment is most 11/53s I've
seen contained 11/23B cpus. that maybe "not as shipped" but very
commonplace.
>office use. When it was announced (1987), it was as a J11 processor
with
>separate I&D space and RAM on the processor card -- which no 11/23 has.
I
>never heard of one having an 11/23 as shipped by DEC.
Never said it was. I said many early 11/53boxen HAD 11/23s not they
shipped
with 11/23s. Seems they were fertile ground for modified systems.
>It's listed in the 1987 PDP-11 Systems Handbook. Maybe Megan could look
it
>up (I believe she has a copy?)?
I have it.
Allison
Received on Wed Jun 06 2001 - 20:43:07 BST