test-drb October 2016

test-drb@ccmp.vtda.org

203 participants
312 discussions

by jwsmail＠jwsss.com

I won't bother posting a link to the auction, but have a question. Why would someone want $3,500 for this board over what H219's go for which are also 8K words? Just curious. Only obvious difference is a different core stack. thanks Jim

8 years, 2 months

Mark-8 opinion question

by vintagecomputer＠bettercomputing.net

-------- Original message -------- From: steven at malikoff.com Date: 2016-10-11 10:02 PM (GMT-08:00) To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> Subject: Re: Mark-8 opinion question ---------------------------- Original Message ---------------------------- Subject: Mark-8 opinion question From:??? "Brad H" <vintagecomputer at bettercomputing.net> Date:??? Wed, October 12, 2016 2:38 pm To:????? "'General Discussion: On-Topic and Off-Topic Posts'" <cctalk at classiccmp.org> -------------------------------------------------------------------------- > I asked this on vcfed and I don't know how much overlap there is here so I > apologize if this is hitting all the same people over again.? As some are > aware I recently won an auction for 9 original Mark-8 boards (it has 4 1k > RAM boards).? To say I was elated would be an understatement - I certainly > have some unusual stuff in my collection but this is something truly rare. > > > > And these are rare both in their own right and for what they are - unused. > Pretty much spotless. > > > > I feel kind of in a bind about it now though.? As an amateur historian, my > first impulse is to stick em in a frame and hang em.? Not even lay a finger > on them.? But I've a stubborn practical side.? Like that guy that has an > original AC Shelby Cobra and actually drives the thing.? He was asked why > he'd actually drive such a rare and valuable vehicle and he said 'What's the > point of a car you don't drive?'.??? But then he can say that - that Shelby > doesn't have zero miles on it. > > > > Realistically, I'm never likely to own a complete, vintage Mark-8.? There > are simply too few of them and I couldn't afford one even if one popped up > (I could afford the computer, just not the divorce afterwards :)).? So here > I am with one path to having one that would be, by virtue of the boards, way > more legit than a clone, but still have that 'built in 2016' asterisk beside > its name for serious collectors. > > > > Anyway, I'm just soliciting opinions from those I haven't already heard > from.? This is just for the purpose of discussion, because I'm sure this > isn't the first and won't be the last time somebody buying vintage gear runs > into a situation like this.? Whatever I end up doing, it will not happen for > years anyway.? I'm not at a skill level yet to pull it off, and I'd still > like to build that clone first and see what I achieve before touching > priceless originals. > It sounds like you've already made your mind up. If it were me, I would not build on the originals. I would engage someone to repop the boards, their labour cost would be recouped with the sale of a few sets. What I would do is make sure the repops are easily identifiable as such so that they are not in future passed off as orignals at the same time as preserving your investment in the real thing. I recall seeing photos of a WWI biplane fighter being restored by the Smithsonian, and on the new pieces of wood they used to replace damaged or missing fillets, longerons and other parts of the airframe they had clearly stamped 'REPRODUCTION' so that future conservators would know > what was original and what was not. > Steve. Thanks Steve. No honestly.. I just like to talk about stuff like this. ?My mind is nowhere near made up. Regarding repopping.. I thought this had already been done by Obtronix or someone? I saw repop boards on ebay that I think the seller was trying to pass off as original. ?I'm wondering now how they made theirs and if in repopping mine I'd just be reinventing the wheel, or if someone could make them look that much more like the original.

8 years, 2 months

Manuaal for the original Sun Workstation

by rlloken＠telus.net

While rooting through the shop I found the user's manual for the original Sun Workstation. The computer is long gone but the manual returned to haunt me. It is devoid of pictures, logos, and fancy fonts and labelled revision C December 1982. Anybody want it for the cost of postage? -- Richard Loken VE6BSV, Unix System Administrator : "Anyone can be a father Athabasca University : but you have to earn Athabasca, Alberta Canada : the title of 'daddy'" ** tech at athabascau.ca ** : - Lynn Johnston -- This communication is intended for the use of the recipient to whom it is addressed, and may contain confidential, personal, and or privileged information. Please contact us immediately if you are not the intended recipient of this communication, and do not copy, distribute, or take action relying on it. Any communications received in error, or subsequent reply, should be deleted or destroyed. --- -- Richard Loken VE6BSV, Systems Programmer - VMS : "...underneath those Athabasca University : tuques we wear, our Athabasca, Alberta Canada : heads are naked!" ** rlloken at telus.net ** : - Arthur Black

8 years, 2 months

Looking for Sellam and his sale site

by echristopherson＠gmail.com

Sellam, are you out there? Your sale site -- http://vintagetech.com/sales/ -- shows: Object not found! The requested URL was not found on this server. If you entered the URL manually please check your spelling and try again. If you think this is a server error, please contact the webmaster. Error 404 vintagetech.com Apache I tried emailing you in July. -- Eric Christopherson

8 years, 2 months

Gaming on old systems (was Re: Twiggys [was: Re: ka... ching!])

by azd30＠telus.net

----- Original Message ----- > From: "Ethan Dicks" <ethan.dicks at gmail.com> > Subject: Gaming on old systems (was Re: Twiggys [was: Re: ka... ching!]) [... snip ...] >and curses-based UNIX games, and would like to add more platforms. I'm > especially interested in any favorites that run on dumb terminals (I > have numerous ones to bring in, and have a VT220 already in the > collection). > If you've played anything in the past 3 years, I'd especially like to > hear about it since that speaks to enjoyment and replayability. If > you like it, someone here will probably like it too. rogue or anything rogue-like - nethack comes to mind 8-) I started playing it in the mid 80's. Still play it today. I have it on my iPad, Android phone, Mac Desktop and a whole slew of Unix boxes (SGI/Sun/IBM/DEC) and even (ughhh!) a PC/Linux laptop... It's usually the first thing that gets installed/compiled on a new machine/platform. The only experience that will top the above, is feeding some quarters in a "Fun House" or "Black Knight" pinball machine...

8 years, 2 months

Getting out of the hobby

by cramcram＠gmail.com

Sigh. For a second there I thought you were going to be getting rid of an 11/45. That would be my dream machine as I used one at Ohio State in the very early days (mid 70's) of computer graphics. I designed one frame buffer and part of another to run on that machine. Marc On Tue, Oct 11, 2016 at 1:41 PM, <robert.jarratt at ntlworld.com> wrote: > That is a real shame, but if you aren't enjoying it there us little point > carrying on. I also have to agree that it is dispiriting at times when you > are constantly dealing with new failures. > > I suspect though that years later you may regret getting rid of your > collection, you hear this from many people. So I would suggest you don't > get rid of *everything*, in case you change your mind in the future. > > Regards > > Rob > > Sent from my Windows 10 phone > > From: Seth Morabito

8 years, 2 months

SCSI Tape Emulator

by seefriek＠gmail.com

I thought this sort of thing was what the various target-mode SCSI frameworks were designed for? I seem to remember at least one of them had emulated tape drives backed by files. KJ

8 years, 2 months

Front Panels - Update.

by rodsmallwood52＠btinternet.com

Hi Firstly I am pleased to be able to say I have five different PDP-8 front panels all in stock. Secondly a big thank you to Jack Rubin for mentioning my panels in his presentation at the Chicago show. I have the artwork for the PDP-8/L done and I'll get a run done as soon as I get enough interested parties. Thanks to Vince I have been able to make a working PDP-8/i lights board. As we all know the 8/i is made up of a wire wrap back plane and loads of flip chip modules. I am only mad not totally insane. So reproducing that lot is not possible. So its the Raspberry Pi and simH route for me. First job is to go and have another look at what Oscar did/is doing. I know he muxed the lamps on his board. He usually open sources everything. In keeping with my plug compatible philosophy I'll go as far as paddle cards and DEC style edge connectors on my PiBoard The switches are the butterfly rocker type. I should be able to pick up an odd one as a sample. I know Oscar is looking at this whole question so I'll get an update >from him. Rod (Panelman) Smallwood -- PDP-8/e PDP-8/f PDP-8/m PDP-8/i Front Panels ex Stock - Order Now

8 years, 2 months

Gaming on old systems (was Re: Twiggys [was: Re: ka... ching!])

by billdegnan＠gmail.com

On Oct 10, 2016 7:43 PM, "Jason Howe" <jason at smbfc.net> wrote: > > > > On Mon, 10 Oct 2016, Ethan Dicks wrote: > >> >> I am actively seeking lists of favorite games on all platforms <snip> I recently got a Pocket c.h.i.p and installed MAMe, VICE, etc onto it so I'd have just about any game I ever wanted on a small handheld device running Debian arm linux. Small screen but it works. Yesterday on the NextStation computer I was checking out "Asterloids" nice graphics but I prefer the original 1979 version. I spend some time on Donkey Kong, DigDug, the real/orig arcade games are my preference. ..things that cost a quarter to play. Made gaming more intense when you didn't have much money as a kid.

8 years, 2 months

ISO Figure from ENIAC Technical Manual

by blstuart＠bellsouth.net

I know this is a very long shot, but I'm looking for Figure 6-13 >from the Part I Technical Manual on the ENIAC by Adele Goldstine. In the table of tables at the front of the manual, this table is one of three listed as "in an envelope attached to the back cover." Neither the scan on archive.org, nor the printed manual from Periscope Film, appear to include these tables. Does anyone by any chance know where a scan of any of those three tables (6-13, 7-4, and 8-13) might exist? Thanks in advance, BLS

8 years, 2 months

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test-drb October 2016