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[49.179.37.85]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2c7e50f7c90sm235566a91.9.2024.06.19.16.21.40 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 19 Jun 2024 16:21:41 -0700 (PDT) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3774.600.62\)) From: Peter Yardley In-Reply-To: Date: Thu, 20 Jun 2024 09:21:27 +1000 Content-Transfer-Encoding: quoted-printable Message-Id: References: <58cc45a9-d1b0-9dba-c3c0-a2970c4d7b3d@bitsavers.org> <477b0ad9-1dc0-11bc-bab0-5a0fb3134639@bitsavers.org> To: Kevin Bowling X-Mailer: Apple Mail (2.3774.600.62) Message-ID-Hash: BQ267L3FNAHJLR6FNGPACPIOB3UBCZ3B X-Message-ID-Hash: BQ267L3FNAHJLR6FNGPACPIOB3UBCZ3B X-MailFrom: peter.martin.yardley@gmail.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: Al Kossow , tuhs@tuhs.org X-Mailman-Version: 3.3.6b1 Precedence: list Subject: [TUHS] Re: Anyone have Plexus docs/software squirreled away? List-Id: The Unix Heritage Society mailing list Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: We had VMS source on microfiche as part of he support contract. If you = payed more you could have got it as machine readable. > On 20 Jun 2024, at 8:58=E2=80=AFAM, Kevin Bowling = wrote: >=20 > On Thu, Jun 20, 2024 at 6:46=E2=80=AFAM Al Kossow = wrote: > On 6/19/24 3:25 PM, Kevin Bowling wrote: >=20 > > Seems like yet another mediocre UNIX port at first, but then they = happen to find the system schematic netlists and PAL equations in = addition=20 > > to partial source code on the hard disk. If those are published = that will make a quite wholesome thing to study. >=20 > I tried to stress on their discord that finding things like that 40 = years out is a very unusual occurence. > I've spent decades digging through people's garages trying to find = stuff like that for bitsavers. >=20 > I=E2=80=99m weak in my DEC history and collection but I=E2=80=99ve = heard some in person stories that VMS source was not impossible to find = on microfiche at certain institutions. They might have had at least = board level schematics too. That situation would be roughly equivalent = to IBM mainframes through the 1980s but you=E2=80=99d still be missing a = lot of microcode and logic equations to zoom in at any level for these = two examples. >=20 > Are you aware of anything else where the whole kit and caboodle is = available? Particularly keen on microcode and logic equations since = that stuff is indeed hard to come by. Peter Yardley peter.martin.yardley@gmail.com