While fantasizing having a PDP-11 of my own, I was reading about TRIPOS
and decided that would be fun to play with. This line from the TRIPOS
wikipedia article caught my attention:
The most important TRIPOS concepts have been the non-memory-management
approach (meaning no checks are performed to stop programs from using
unallocated memory)
Does this mean that any process is allowed to scribble anywhere in memory
without provoking a segfault?
--
David Griffith
dgriffi at cs.csubak.edu
A: Because it fouls the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing in e-mail?
>Date: Sun, 22 Jun 2008 19:51:17 -0700 (PDT)
>From: Cameron Kaiser <spectre at floodgap.com>
>> The Daystar SE/30 adapter has a Programmable Logic Device on board
>> which massages the connections. The PowerCache will not work
>> plugged in directly.
>
>Wouldn't a IIsi adaptor work? IIRC the SE/30 PDS slot and IIsi PDS slot
>are electrically compatible (but don't take my word for it).
Hi Cameron. Good to see you around.
Yes, the IIsi adapter will work, except, it will point it's expansion
slot horizontally where there isn't room for a card. So one needs
to use an extra Euro-Din connector of the right-angle type to adapt
it to vertical. No soldering is required, as the pins of the
connector will fit nicely in the IIsi adapter's connector's holes.
This is explained in clearer detail on Gamba's site.
Jeff Walther
>> I was recently contacted by a software developer that had an old Sage IV
>> computer that needed a new home. He found me through my Sage and Stride
>> website (http://www.sageandstride.org). He used the Sage IV in the 1980's
>> as part of an Amiga Development System.
>
>Was it like this unit?
>
> http://www.floodgap.com/retrobits/ckb/secret/cbm-rlorr-agony.jpg
> http://www.floodgap.com/retrobits/ckb/secret/cbm-rlorr-agony2.jpg
>
Yes, it's the same Sage IV model. I'm familiar with 'Agony'. I met Dale Luck last year and he let me get my grubby hands on Agony to help revive it (still ongoing...). I've added pictures of the Sage IV I just received to the group of photos of the Amiga Development System at:
http://entertainment.webshots.com/album/563890692JxMvHh
The Sage IV pictures are the last in the batch.
>This is the one Dale Luck exhibited and was christened, in typical Amiga
>humor, as "Agony." The rest of the developer prototype photos I have are
>on
>
> http://www.floodgap.com/retrobits/ckb/secret/lorraine.html
>
>They look slightly different than yours, which seems to be a later version?
>
>> From the docs and what I've learned by talking to other early Amiga
>> developers, the Sage IV was used in developing a lot of the early Amiga
>> code.
>
>This is also my understanding.
>
>--
>------------------------------------ personal: http://www.cameronkaiser.com/
>--
> Cameron Kaiser * Floodgap Systems * www.floodgap.com * ckaiser at floodgap.com
>-- Whenever people agree with me I always feel I must be wrong. -- Oscar
>Wilde
Do you have any of the Amp plugs left?
Todd A. Given
Engineering Manager-Assembly Operations
Whitney Blake Company
Tel: (802) 463-1120
Fax: (802) 463-1111
given_todd at wblake.com
This is on-topic, I swear, as I'll demonstrate in a moment.
But first, if you haven't yet heard, George Carlin died yesterday. For
those outside of the US not familiar with his work, Carlin was an
iconoclastic icon, and I use those terms explicitly literally in this
case.
The world will truly bu a suckier place without him.
Today on Fresh Air (NPR talk program) Terry Gross ran old interviews with
Carlin. In a 2004 interview (which I must've missed) he mentions that he
enlisted in the military (he explains he did this to avoid the draft, i.e.
the idea was he would get to choose what he wanted to do) and ended up in
electronics and computers, and he specifically mentioned that he worked on
analog computers.
So besides being awesome, George Carlin was a hacker!
LONG LIVE GEORGE!!
Shit, piss, fuck, cunt, cocksucker, motherfucker, and tits!!
--
Sellam Ismail Vintage Computer Festival
------------------------------------------------------------------------------
International Man of Intrigue and Danger http://www.vintage.org
[ Old computing resources for business || Buy/Sell/Trade Vintage Computers ]
[ and academia at www.VintageTech.com || at http://marketplace.vintage.org ]
At 12:00 -0500 6/22/08, Cameron Kaiser wrote:
>Clearly his internal drives were hard.
...but warped, to the point of possibly causing a head crash.
<smack> I did *not* just write that...
--
- Mark 210-379-4635
-----------------------------------------------------------------------
Large Asteroids headed toward planets
inhabited by beings that don't have
technology adequate to stop them:
Think of it as Evolution in Fast-Forward.
> Date: Mon, 23 Jun 2008 07:36:33 -0700
> From: Lyle Bickley
> If you're interested in vintage Sun gear - and it's not available in your
> area - you might want to join the "Suns at Home" list. It's a low volume
> list which keeps "on topic":
The only vintage Sun gear that I own are a couple of coffee mugs and
a couple of oddball (e.g. "The Last Bug") T-shirts. That's enough
for me--at least both are still state-of-the-art in terms of utility.
Cheers,
Chuck
I need Mac OS 6.0.4 in a format that can be downloaded with a PC (under
WinXP), then moved to a disk that will boot on a Mac (IIci).
Can someone help? If so, please contact me directly.
Thanks!
--
Sellam Ismail Vintage Computer Festival
------------------------------------------------------------------------------
International Man of Intrigue and Danger http://www.vintage.org
[ Old computing resources for business || Buy/Sell/Trade Vintage Computers ]
[ and academia at www.VintageTech.com || at http://marketplace.vintage.org ]
> Realistically "common as dirt" doesn't sound very accurate to me. I've only
> ever seen one Sun 3 system, and that was one being used by the Navy back in
> '92. This might be something like someone from near one of the old DEC
> sites saying PDT-11's (note I said PDT, not PDP) are common as dirt.
>
> Remember commonality can be location based.
Yes, in some parts of the country, Sun-3s of all flavors were
extremely common. I just saw one at the MIT Flea last week.
They are drying up now, but still easy to find with some legwork.
Maybe "common as galena".
--
Will
>Date: Sun, 22 Jun 2008 01:19:33 -0700
>From: Josh Dersch <derschjo at msu.edu>
>Subject: Daystar Universal PowerCache & SE/30...
>To: cctalk at classiccmp.org
>Message-ID: <485E0B15.1080706 at msu.edu>
>Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
>Scored a nice find for 50 cents today, a 50Mhz 68030 Daystar "Universal
>PowerCache" accelerator card. From my research on the web this should
>be SE/30 compatible, but requires some manner of a PDS adapter which is
>essentially impossible to find.
>
>The card won't physically fit in the SE/30 due to the metal chassis
>getting in the way -- anyone know if this is the only reason the adapter
>is needed, or are there electrical differences as well? As my SE/30 is
>kind of a mongrel anyway I wouldn't mind hacking up the chassis a bit to
>allow the card to fit, but if the adapter is actually necessary I won't
>bother...
The Daystar SE/30 adapter has a Programmable Logic Device on board
which massages the connections. The PowerCache will not work
plugged in directly. However, the connector will physically fit,
so there's some good opportunity there for electrical drama if you
manage to plug it in without the adapter.
The PowerCache only works in the IIci, IIvx and IIvi (and
corresponding Performa models) without an adapter. The same is
true for the 68040 based Turbo040.
There is a large amount of discussion on this topic at 68kmla.net.
Also at applefritter.com, but less active. And searching in Google
on Gamba and SE/30 will turn up a very useful page of information.
There is a fellow in Japan who apparently reverse engineered the PLD
and designed and built (or caused to be designed and built) his own
adapter design. However, he charges $200 for his adapter. Given
the costs and risks involved (he probably has ~$10,000 sunk in the
project) it is a reasonable price to charge, but most folks do not
think it is a reasonable price to pay. I think Artmix and
Twinspark would be good search terms to turn that up.
Jeff Walther
