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From: Clem Cole <clemc@ccc.com>
To: Al Kossow <aek@bitsavers.org>
Cc: TUHS main list <tuhs@minnie.tuhs.org>
Subject: Re: [TUHS] SUN (Stanford University Network) was PC Unix
Date: Fri, 9 Apr 2021 16:46:14 -0400	[thread overview]
Message-ID: <CAC20D2N7tmHdi8j=5J1UbCa5RJeR+iaEvwOQNcuQva3NBkHfmw@mail.gmail.com> (raw)
In-Reply-To: <731c6353-1adb-f66c-6ff4-d89b257fd0eb@bitsavers.org>

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On Fri, Apr 9, 2021 at 4:08 PM Al Kossow <aek@bitsavers.org> wrote:

> On 4/9/21 1:02 PM, Earl Baugh wrote:
>
> > And the original CPU boards didn’t have an MMU.
>
> wrong
>
> They didn't have a 68010 capable of recovering from page faults
>
> The original unix shipped on Sun 1's was a Unisoft port. The same
> one sold by several other companies that sold the original Sun CPU
> design.l
>
Right on both counts - his base/limit MMU even had a small PID/Context
register which was pretty slick at the time.  The MMU I created with Roger
Bates for the Tektronix Magonia was not that smart and when I first saw it
I did a face plant -- why didn't I think of that.
ᐧ

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  reply	other threads:[~2021-04-09 20:47 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-09  5:31 Jason Stevens
2021-04-09  6:13 ` Jon Steinhart
2021-04-09  6:34   ` Rich Morin
2021-04-09 15:08     ` Clem Cole
2021-04-09  7:22 ` Lars Brinkhoff
2021-04-09  9:29   ` Lars Brinkhoff
2021-04-09 17:02   ` Al Kossow
2021-04-09 18:37     ` Lars Brinkhoff
2021-04-09 10:12 ` emanuel stiebler
2021-04-09 11:13   ` U'll Be King of the Stars
2021-04-09 17:22     ` Rob Gowin
2021-04-09 20:16       ` joe mcguckin
2021-04-10  2:22     ` Dave Horsfall
2021-04-09 14:08 ` Tom Lyon
2021-04-09 14:23   ` Jim Geist
2021-04-09 15:11   ` Clem Cole
2021-04-09 20:02     ` Earl Baugh
2021-04-09 20:08       ` Al Kossow
2021-04-09 20:46         ` Clem Cole [this message]
2021-04-10  1:30         ` Earl Baugh
2021-04-09 14:41 Noel Chiappa
2021-04-09 15:18 ` Clem Cole
2021-04-09 15:34 Paul Ruizendaal via TUHS
2021-04-09 17:01 ` Dan Cross
2021-04-09 17:20   ` Lawrence Stewart
2021-04-09 18:32     ` Jon Steinhart
2021-04-09 22:28       ` Warner Losh
2021-04-10  3:16 ` Dave Horsfall
2021-04-10 12:06   ` David Arnold
2021-04-13 21:57     ` Dave Horsfall
2021-04-13 22:30       ` Bakul Shah
2021-04-15  5:01   ` Robert Brockway
2021-04-16  1:17     ` Brad Spencer
2021-04-10  2:41 Jason Stevens

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