[cctalk] Re: Z80 vs other microprocessors of the time.

2024-04-22 Thread William Donzelli via cctalk
> The Z80 is dead; long live the Z80. They said that about the UX-201A...and every year hundreds or thousands of new ones show up. -- Will

[cctalk] Re: Drum memory on pdp11's? Wikipedia thinks so....

2024-04-16 Thread William Donzelli via cctalk
> I'll bet the source was talking about large contemporary storage units that > looked like drums or may have been called "drums" but were not actual 50's > drum memory with tubes and such. There was no rotating drum storage, the > media rotates in the PDP era. > > Take a look at any pdp 11 periph

[cctalk] Re: Bomar 901b My wife found in my stuff. Is this as scarce at it seems?s,?

2024-04-16 Thread William Donzelli via cctalk
Ed has had his chance at kindness. He blew it LONG ago. -- Will On Tue, Apr 16, 2024 at 9:46 AM Eric Moore via cctalk wrote: > > Sellam, that was unneccassarily cruel. Please try and exhibit some empathy > if not kindness. > > -Eric > > > > > On Tue, Apr 16, 2024, 8:39 AM Sellam Abraham via ccta

[cctalk] Re: Two IBM 360's available in the UK

2024-03-16 Thread William Donzelli via cctalk
Oops, not meant to go to everyone... -- Will On Sat, Mar 16, 2024 at 2:13 PM William Donzelli wrote: > > Well...just as I am typing up an email to you... > > Anyway, I hope these get saved - it is quite a score. I wish I could > take it, but I can not. > > But I could take part of it, the System

[cctalk] Re: Two IBM 360's available in the UK

2024-03-16 Thread William Donzelli via cctalk
Well...just as I am typing up an email to you... Anyway, I hope these get saved - it is quite a score. I wish I could take it, but I can not. But I could take part of it, the System/370 model 125. It would be nice to bring it back to the US, assuming it was US built. Lets keep a channel open abo

[cctalk] Re: Announcement of VCFed warehouse closure & improvements

2023-11-07 Thread William Donzelli via cctalk
How long do people with tagged items have beyond 1 January 2024 to claim their items? (clarifying, otherwise everyone will tag their items and the problem will not be solved!). -- Will On Tue, Nov 7, 2023 at 9:17 AM Thomas G via cctalk wrote: > > Hello, > > After 18 years of acquiring artifacts

[cctalk] Re: VCFMW vendor tables

2023-08-30 Thread William Donzelli via cctalk
All the VCFMW info is on the Discord server. -- Will On Wed, Aug 30, 2023 at 10:22 AM Jon Elson via cctalk wrote: > > I know I was a little late in making a reservation for a > vendor table at the VCF MW. > > But, last year they were able to fit me in. Now, I have > made my request, and not hea

[cctalk] Re: PDP-8/L $15,000

2023-08-28 Thread William Donzelli via cctalk
> I think some Ebay sellers simply overpriced an item when they know it's > probably valuable but they're not sure how much to sell for. They will > wait for people to contact and say, "your price is way too high, you might > sell if you charged $n instead." > > It's not an illogical tactic.

[cctalk] Re: Talking PDP11

2023-07-11 Thread William Donzelli via cctalk
The Synclavier I was commercially available in 1977, based off the Dartmouth Digital Synthesizer of earlier times. The core was a New England Digital minicomputer architecture (they did sell just the minicomputer to the military, as a side). The truth is that there were quite a few digital synths

[cctalk] Re: HP2100A available

2023-06-29 Thread William Donzelli via cctalk
This has sold! -- Will On Thu, Jun 29, 2023 at 9:23 AM William Donzelli wrote: > > This is on Discord. > > I have an HP 2100A with a paper tape punch (a HP labelled Facit), tape > punch (HP), and an 7900A disc. The thing is in decent shape - full of > cards. The keyswitch is out of the thing, bu

[cctalk] HP2100A available

2023-06-29 Thread William Donzelli via cctalk
This is on Discord. I have an HP 2100A with a paper tape punch (a HP labelled Facit), tape punch (HP), and an 7900A disc. The thing is in decent shape - full of cards. The keyswitch is out of the thing, but I am pretty sure I still have it. Right now, I have me hands on the 2100A and Facit paper

[cctalk] Re: Computer of Thesus (was: Re: Re: Computer Museum uses GreaseWeazle to help exonerate Maryland Man)

2023-02-01 Thread William Donzelli via cctalk
Plonk! -- Will On Wed, Feb 1, 2023 at 8:47 AM Chris via cctalk wrote: > > You stop being rude you big burly baby. Get a life. I'm not your hobby, as > hard as you're trying to make me so. > > > On Wednesday, February 1, 2023, 03:37:20 AM EST, Christian Corti via > cctalk wrote: > > On

[cctalk] Re: Great Vintage Computer Heist of 2012

2022-10-19 Thread William Donzelli via cctalk
> Owe the local government a few bucks in unpaid tax? They steal your > house (well, technically not - they put a lien on it and then foreclose). Yes, if you do not pay you taxes (or rent) - you SHOULD lose your land after some amount of time. What I am talking about is Eminent Domain (in the US)

[cctalk] Re: Great Vintage Computer Heist of 2012

2022-10-18 Thread William Donzelli via cctalk
> All you need is a the local government to declare eminent domain and > greater user for the public good. Those would be the "significant barriers to cross". -- Will

[cctalk] Re: Great Vintage Computer Heist of 2012

2022-10-18 Thread William Donzelli via cctalk
Don't be pedantic. You know what I mean. Anyway, in the US, there are *significant* barriers to cross for people taking your land. -- Will On Tue, Oct 18, 2022 at 10:15 AM Ethan O'Toole wrote: > > > Own your land. > > Museum or individual. > > You never own your land. They can always take it. >

[cctalk] Re: Great Vintage Computer Heist of 2012

2022-10-17 Thread William Donzelli via cctalk
Own your land. Museum or individual. -- Will On Mon, Oct 17, 2022 at 7:13 PM Kevin Parker via cctalk wrote: > > I remember that Sellam and I remember visiting your facility on a trip my > wife and I did to the US. It was very impressive collection and that’s an > understatement. > > It’s a s

[cctalk] Re: AMP Punched Card Reader

2022-10-07 Thread William Donzelli via cctalk
That is for configuring the initial setup for a gizmo tester (semiconductor, cable, subassembly, etc.). -- Will On Fri, Oct 7, 2022 at 1:39 PM Cory Heisterkamp via cctalk wrote: > > Hey Guys, > > I was curious if anyone recognizes this punched card reader. Marked: AMP > Incorporated - SYSCOM Di

Re: Memory Tech you don't see very often

2022-01-06 Thread William Donzelli via cctalk
Prototypes don't count. -- Will On Thu, Jan 6, 2022 at 12:41 PM Chuck Guzis via cctech wrote: > > > Perhaps even rarer were the EBAM tubes that CDC worked with during the > 1970s. I recall seeing a 6' rack of a complete assembly sitting in a > hallway at ADL around 1974. If CDC followed the di

Re: IBM transistor replacements

2021-11-27 Thread William Donzelli via cctalk
139 is a "nickname" number. IBM used these nicknames for some reason, instead of the full IBM part number. A 139 is really an IBM part number 2414938, a silicon device in a TO-18. Gee, it would be great if this list could take pictures so I could just post one with all the specs... -- Will On S

Re: The precarious state of classic software and hardware preservation

2021-11-20 Thread William Donzelli via cctalk
> > Unless, of course, you have a mainframe shop and figured all this shit > > out back in the 1960s. > > Figuring things out accomplishes very little if what was figured out is not > broadly applied. That is correct. All the talk about this topic or archiving data that starts with "We should" or

Re: The precarious state of classic software and hardware preservation

2021-11-20 Thread William Donzelli via cctalk
> Unfortunately, we're just not doing enough. I don't have an answer, but for > several years I worked for the LOCKSS project at Stanford University. Their > software is open source, and is used to archive online academic journals in a > distributed, fault-tolerant peer to peer network (their pr

Re: I-4004

2021-11-16 Thread William Donzelli via cctalk
Best, most concise answer of the week. -- Will On Tue, Nov 16, 2021 at 5:20 PM Al Kossow via cctalk wrote: > > On 11/16/21 2:08 PM, Murray McCullough via cctalk wrote: > > Did the 4004 chip start our interest in microcomputing? > > no > >

Re: Apple I auction

2021-10-23 Thread William Donzelli via cctalk
> That buyer's premium seems crazy steep. It is not. -- Will

Re: Looking for an IBM 3803

2021-09-06 Thread William Donzelli via cctalk
> The large 3 phase input on it 3803 is likely overkill for even a controller > and full string of 8 drives. It's easier to oversize things and have a 3x > safety margin, then deal with running close to the limits and risk any > problems from poorly installed site wiring. It is overkill, but a ful

Re: Branching the thread away from Compaq deskpro boards: "What We Have Lost"

2021-08-01 Thread William Donzelli via cctalk
> And that like IBM still being able to run S/360 programs Unisys 2200 > can still run Univac 1100 programs. And that MCP and OS2200 put everyone else to shame in the security arena... Because they thought about it back in the 1960s. -- Will

Re: Branching the thread away from Compaq deskpro boards: "What We Have Lost"

2021-08-01 Thread William Donzelli via cctalk
> z/OS runs on IBM Mainframes, there is also “IBM i”, which was previously > called OS/400. > > Last I checked, GCOS-8 is still running, but with Itanium end-of-life, I’m > not sure what on. It’s been a niche market for decades. I’d argue that it > was a serious niche when I was using it in th

Re: Unidentified IBM Module / Package

2021-08-01 Thread William Donzelli via cctalk
I think those are IBM Q-Pacs, mil spec modules for the Informer computers. -- Will On Sun, Aug 1, 2021 at 1:53 AM Cory Heisterkamp via cctalk wrote: > > Does anyone recognize these IBM modules? My gut says late 50’s based on the > transistor packages and font. Perhaps for a contract or military

Re: IBM 1620; was: Early Programming Books

2021-06-21 Thread William Donzelli via cctalk
> When cleaning out a 3rd party CDC dealer quite a few years back, he > remarked that the CDC machines going way back all the way to the 800s > were fantastically unpicky about how they were cooled. So I just reread what I wrote, and see it is crap. What I meant is that CDC machines going back all

Re: IBM 1620; was: Early Programming Books

2021-06-21 Thread William Donzelli via cctalk
> Of course, nowadays, the old R22 systems are being refilled with > purified propane, called R290. Cheap, with better thermal properties > than R22, but probably not legal when LCM picked up the 6500. When cleaning out a 3rd party CDC dealer quite a few years back, he remarked that the CDC machi

Re: Vintage Computer Museum eBay Sales

2021-06-17 Thread William Donzelli via cctalk
Approximately zero people ever thought this guy was a museum. -- Will On Thu, Jun 17, 2021 at 10:28 AM Chris Zach via cctalk wrote: > > Reason #1 why I am exceptionally loathe to donate things to "museums" > these days... > > CZ > > On 6/17/2021 10:06 AM, Bill Degnan via cctalk wrote: > > > His

Re: DEC Computer Lab for sale

2021-05-29 Thread William Donzelli via cctalk
> While the mini-banana makes a passable (though expensive) modern > substitute, I believe the originals were hollow crimp-on taper pins, > #42107 or #42279. Really? I have loads of taper pin patch cables. I should try one out. The sockets just loom too big for taper pins. -- Will

Re: DEC Computer Lab for sale

2021-05-29 Thread William Donzelli via cctalk
every dimension. -- Will -- Will On Sat, May 29, 2021 at 8:41 PM Ethan Dicks wrote: > > On Sat, May 29, 2021 at 10:58 AM William Donzelli via cctalk > wrote: > > Over on the Discord, I have posted a DEC Computer Lab H-500 for sale. > > Needs cosmetic help, but will be priced accor

Re: DEC Computer Lab for sale

2021-05-29 Thread William Donzelli via cctalk
The ClassicCMP Discord. -- Will On Sat, May 29, 2021 at 1:54 PM Brent Hilpert via cctalk wrote: > > On 2021-May-29, at 7:58 AM, William Donzelli via cctalk wrote: > > Over on the Discord, I have posted a DEC Computer Lab H-500 for sale. > > Needs cosmetic help, but will be

DEC Computer Lab for sale

2021-05-29 Thread William Donzelli via cctalk
Over on the Discord, I have posted a DEC Computer Lab H-500 for sale. Needs cosmetic help, but will be priced accordingly. Offers? Off list... -- Will

Re: Writings on AI from 17 years ago....

2021-05-25 Thread William Donzelli via cctalk
> I believe that enthusiastic and competent individuals will look after > valuable items much better than most museums can. As one who does estate cleanups professionally, I have a wildly different opinion... -- Will

Re: eBay sellers

2021-04-13 Thread William Donzelli via cctalk
> So ... you trust us enough to take our money, but you don't trust us. The percentage of crooked and dishonest (and just plain stupid) buyers on Ebay is far too uncomfortable. Ebay buyers generally often liken themselves to gleaming polished white marble pillars of truth and justice in the online

Re: eBay sellers

2021-04-13 Thread William Donzelli via cctalk
> And that is why there are SNADs! :D Yes, but remember that the S stands for "Significantly". In Noel's case, yes, We DECnerds would call that a significant difference, but probably not to the general computer techie crowd - they would likely see two almostly completely identical tape readers. Th

Re: eBay sellers

2021-04-13 Thread William Donzelli via cctalk
As a very experienced Ebay (and now Etsy!) seller, I can say this... > They sent a nice peply, but didn't alter their listing! We don't trust you buyers. Sellers of collectibles and antiques get bombarded with nitpicks and corrections. Often these are right, but often they are wrong. And sometim

Re: FIRE SALE!

2020-10-11 Thread William Donzelli via cctalk
plastics > most likely protected the boards from dangerous temperatures. > Dwight > > > From: cctalk on behalf of jim stephens via > cctalk > Sent: Sunday, October 11, 2020 6:49 PM > To: William Donzelli via cctalk > Subject: Re: FI

Re: FIRE SALE!

2020-10-11 Thread William Donzelli via cctalk
> I suspect much of the electronics is fine. It would be good for someone > wanting backup cards. You must be joking. Those cards are done. Any chip that is still operational will likely fail upon or shortly after power is applied. -- Will

Re: Datasheet / Info for Motorola SC5330 IC?

2020-09-30 Thread William Donzelli via cctalk
The Motorola SC prefix means a custom or semicustom part. Good luck! -- Will On Wed, Sep 30, 2020 at 4:05 PM Josh Dersch via cctalk wrote: > > I'm in the middle of working out the pinout for the power supply connector > on the MDP-1000. I'm aided somewhat by a set of test points on the > backpl

Re: PDP-11 based Data Translation system on ebay

2020-08-15 Thread William Donzelli via cctalk
> It appears to be a complete Data Translation data acquisition system > including the software! Someone please rescue this! I am not entirely sure if "rescue" is the right word here. The seller seems reasonable and in no hurry. -- Will

Re: IBM vacuum tubes

2020-06-22 Thread William Donzelli via cctalk
> Darn. "Worse for noise" probably means I won't find audio nirvana > trying these in any of my amps. Most computer tubes are pretty bad for audio, even though there are plenty of snake oil tube dealers that proclaim them as audio gold. -- Will

Re: IBM vacuum tubes

2020-06-22 Thread William Donzelli via cctalk
> > Thanks! What is the secret decoder ring that tells you 188 means GE? EIA manufacturer codes. These were often applied to private and house branded labelled tubes. Other numbers are 274 for RCA, 280 for Raytheon, 158 for DuMont, and so forth. EIA codes were used for non-tube electronic parrot

Re: Future of cctalk/cctech

2020-06-17 Thread William Donzelli via cctalk
> They take up a lot of space. Well, there is some circa 2005 thinking. -- Will

Re: IBM vacuum tubes

2020-06-17 Thread William Donzelli via cctalk
> Ah, good ol' 5965s. > > These were a higher-spec version of ... some really common tube which I > no longer remember. The Bendix G-15 was wholly based on them. 5965 is a computer rated 12AV7 with better balanced cutoff characteristics, but generally worse for noise. About 15 percent of the tub

Re: IBM vacuum tubes

2020-06-17 Thread William Donzelli via cctalk
They are indeed GEs! 188 is the clue. -- Will On Wed, Jun 17, 2020 at 11:14 AM Guy N. via cctalk wrote: > > On Tue, 2020-06-16 at 11:04 -0400, William Donzelli wrote: > > > Good question. They have an IBM logo and "Made in USA", along with the > > > part number (5965 or 5963) and a bunch of num

Re: IBM vacuum tubes

2020-06-16 Thread William Donzelli via cctalk
GE did not make many tubes for IBM except for some made for SAGE devices. -- Will On Tue, Jun 16, 2020 at 11:38 AM Camiel Vanderhoeven via cctalk wrote: > > Mosyt likely GE. > > "IBM did the final assembly, but more than 400 companies supplied parts and > subassemblies for its computers, includ

Re: IBM vacuum tubes

2020-06-16 Thread William Donzelli via cctalk
> Good question. They have an IBM logo and "Made in USA", along with the > part number (5965 or 5963) and a bunch of numbers that might give a hint > as to manufacturer. Any suggestions on how to decode them? What are the numbers? Details, man! -- Will

Re: IBM vacuum tubes

2020-06-15 Thread William Donzelli via cctalk
> While going through my assortment of old vacuum tubes looking for audio > treasures, I found a handful of IBM branded ones. Mostly 5965, but > there's one 5963 mixed in. Who made them? -- Will

Re: Living Computer Museum

2020-05-28 Thread William Donzelli via cctalk
> You know, in general I don't disagree with this statement, but I'll go on > record here and say that in my 5 years at LCM, I don't recall a single keycap > going missing, or anything getting stolen. Good fortune, maybe! On another ship I sometime volunteer on (DE-766 SLATER), someone stole a

Re: Living Computer Museum

2020-05-28 Thread William Donzelli via cctalk
> This is one of the things that disappointed me most about the Computer > History Museum in Mountain View, CA. Sure you can’t let the public interact > with *everything*, but since so much of computing since its inception has > been about interaction with active systems, just displaying them is

Re: Living Computer Museum

2020-05-28 Thread William Donzelli via cctalk
> Do tell. "Normal" museums do not assign values to artifacts, and are very much against (for the most part) buying artifacts directly, as doing so basically assigns numeric values. This is to discourage "pot hunting", named so after the looters of antiquities. Art museums generally do not have i

Re: Living Computer Museum

2020-05-28 Thread William Donzelli via cctalk
> Loans are standard practice in art museums, from other museums as well as > from private collections. Perhaps not so much in science/technology museums. Art museums work under a different set of rules and ethics than other museums. -- Will

Re: Living Computer Museum

2020-05-28 Thread William Donzelli via cctalk
> Much of the effort of running a thrift store is disposal of > donated material that has no rapid resale value. And cost. Dumpsters ain't cheap. -- Will

Re: Living Computer Museum

2020-05-28 Thread William Donzelli via cctalk
> If you want something nice, I can send you a few pallets of broken LCDs. > They're all really rare - I've never seen ones with the same serial number > on them. > > Don't worry, I won't ask first. ;-) You pay for shipping, and I'll take them! -- Will

Re: Living Computer Museum

2020-05-28 Thread William Donzelli via cctalk
> Why would I do that? I had something people said was rare. Museums with a lot of "gravity" (like LCM) tend to get offered a *lot* of REALLY RARE items, like broken C64s, Packard Bell desktops, boxes of ten year old games on CD-ROM, dirty USB keyboards, 56K Sportsters, and so forth. Yeah, super

Re: Living Computer Museum

2020-05-28 Thread William Donzelli via cctalk
> I once sent them some rather rare documentation (at the suggestion of > other collectors). I got back a letter with a nasty tone stating they > do not accept unsolicited items. I have no idea what that meant as to > the continued existence of the item. It certainly did not come back > to me.

Re: Living Computer Museum

2020-05-27 Thread William Donzelli via cctalk
> Anytime somebody with $20B dies it will take years to sort out the estate > because of taxes and people lining up for money due (legit or not). Yes, for people that had no "exit strategy", but somehow I think Paul Allen did some sort of estate planning before he passed... -- Will

Re: Living Computer Museum

2020-05-27 Thread William Donzelli via cctalk
> They've been closed to visitors since early March I think. A lot of smaller museums are going into hibernation. Most are confident they will reopen sometime in the future, but well past the points that they are allowed to by government order. It is unfortunate for the paid staff. -- Will

Re: Microsoft open sources GWBASIC

2020-05-26 Thread William Donzelli via cctalk
> FOlks know about IBM, > but most don't know they still make mainframes and midrange (OS400 or > whatever it is called now) machines, and Burroughs, Funny thing is that even many IBMers I come across do not realize that Unisys is still in the mainframe business, and still actively develops hardwa

Re: LINC-8

2020-04-26 Thread William Donzelli via cctalk
> Wow, those were fairly rare back when, and now there may > only be a couple in existence. At least eight I know of. Pretty high survival percentage, actually. -- Will

Re: LINC-8

2020-04-26 Thread William Donzelli via cctalk
> Wow: > > https://www.ebay.com/itm/353062352448 > > I've read manuals for these, but I've never even seen a picture of one before. "needs work" That would be an understatement. ...and be careful with this deal... -- Will

Re: Unusual Punched Cards

2020-04-18 Thread William Donzelli via cctalk
> I am desperately looking for two types I do not have been able to find a > sample of: > * Jacquard fabric/carpet loom cards. OK, not computer but the > ancestor, for completeness of the history. There may be several formats of > these. I donated my Jacquard punch to Techworks in Binghamton

Re: What is this System 360 peripheral/maintenance console?

2020-03-02 Thread William Donzelli via cctalk
1800. -- Will On Mon, Mar 2, 2020 at 7:40 AM Steve Malikoff via cctalk wrote: > > I was watching this video on highway construction in the 1960's (as you do) > and noticed what appears to be > a System 360 console, that I couldn't place. Presumably it's some peripheral > or CE maintenance pane

Re: G15 Drum Followup

2020-02-27 Thread William Donzelli via cctalk
> > that is really sad > > I hope you sold them to Will > Why sad? Everybody had chance to say more, or ask to buy the whole drum. I never heard back from the guy. Yes, I could have used some heads, as I think I have one or two that are open. The search continues... -- Will

Re: IBM Type 31 Alphabetical Duplicating Keypunch available, Seattle area

2020-02-10 Thread William Donzelli via cctalk
How did you end up with that? Anyway, I forwarded your message to see if the Techworks! Binghamton Bunch wants it. -- Will On Mon, Feb 10, 2020 at 6:35 PM Josh Dersch via cctalk wrote: > > (resending as this appears to have gotten eaten last time...) > > Hi all -- > > As the subject line says I

Re: Unidentified peripheral in Tektronix PDP-11/20 system

2020-01-26 Thread William Donzelli via cctalk
> I think it was later they made an electron beam digitizer > storage scope. The scope tube created a fan beam that was > deflected by single-axis deflection plates. The target had > patterns of stripes that decoded the beam into a binary code > that was then recorded in a digital memory. So, t

Re: TU55 / TC01

2020-01-07 Thread William Donzelli via cctalk
The description is not showing at all - no text. This is one of those Ebay bugs that has been around for months, but they do not fix. I have reported it several times - you should too. -- Will. On Tue, Jan 7, 2020 at 12:03 PM Al Kossow via cctalk wrote: > > I just listed one of my TU55s on eBay

Re: Odd vintage computer sellers

2020-01-02 Thread William Donzelli via cctalk
> I've noticed prices going up on eBay a LOT, without even including obscene > shipping charges AND sales tax > and people parting out things, including attempting to sell individual disks > of multi-disk sets. I think much of this has to do with changes Ebay made in 2019. The only sellers that

Re: Ordering parts onesie twosie

2020-01-01 Thread William Donzelli via cctalk
> I don't weep and moan about something from the past vanishes because of > lack of interest, Is the list not all about interest in obsolete computer technology, and getting these weird old machines going again? > any more than I weep about the unavailability of RTL > flatpacks or variocouplers o

Re: Ordering parts onesie twosie

2020-01-01 Thread William Donzelli via cctalk
> You do what you have to using the best available resources. Sadly, > local manufacturers and suppliers are no longer options. And pretty soon, independent surplus dealers will also no longer be an option. Most of them have lots of modern and vintage goodies - the kind of stuff this thread is a

Re: DEC CR11

2019-12-04 Thread William Donzelli via cctalk
> Should do; the 'CR11/CM11 system manual' (DEC-11-HCRMA-C-D) mentions it, > although it doesn't provide extensive coverage. > My manual only mentions the M200, but it may be an early edition (before the M600 came out?). -- Will

FS: VAX-11/780 w/ CSPI array processor

2019-12-04 Thread William Donzelli via cctalk
Unfortunately I need to sell my VAX - an original 11/780, but with a CSPI array processor hidden in a third matching DECcabinet. This was used to control an xray crystallography machine years ago, so the VAX itself is fairly minimal, but with quite a lot of number crunching horsepower. It has not

DEC CR11

2019-12-04 Thread William Donzelli via cctalk
Can the DEC M8291 CR11/CM11 controller card work with a DEC branded Documation M600 reader as well as the M200? -- Will

Re: CRT faceplates / screen "mold"

2019-11-29 Thread William Donzelli via cctalk
> Short of outright replacing the CRT with one of the same type, is that > still accepted practice - or in the years since has someone worked out a > way of applying new sealant across the entire face without getting air > trapped in there, thereby maintaining the structural integrity of the > ori

Re: First Internet message and ...

2019-11-26 Thread William Donzelli via cctalk
> And IBM invented the Personal Computer. No. We already established that Steve Jobs did that. Please pay attention. -- Will

Re: First Internet message and ...

2019-11-26 Thread William Donzelli via cctalk
> > You mean like how history says Columbus discovered America... > > And Edison invented the incandescent lamp. And Digital invented the minicomputer. ...we are just as guilty... -- Will

Re: "First Internet message" and ...

2019-11-25 Thread William Donzelli via cctalk
> Oh goody; when the "intranet" vs. "an internet" vs. "The Internet" discussion > finally gets boring we can argue over the meaning and function of "switches" > vs. "routers" vs. "hubs". If we are lucky, maybe we can start a new holy war along the lines of vi vs. emacs. -- Will

Re: First Internet message and ...

2019-11-25 Thread William Donzelli via cctalk
> Does nobody remember AUTODIN? Basically, no. -- Will

Re: First Internet message and ...

2019-11-25 Thread William Donzelli via cctalk
> ARPANET wasn't the first large scale data network. I believe SITA HLN > was world-wide by 1969. However it was a mix of switching technologies > from fully automated to manual depending on what part of the world you > were in. Frankfurt was the first SITA node to transition to fully > automati

Re: First Internet message and ...

2019-11-25 Thread William Donzelli via cctalk
> 2019 - 60 = 1959. Yes, there were a few computers then, and > serial communication over phone lines was possible. > But, "Internet"?? Did they actually use TCP/IP? No, not > invented yet. Like most things, the colors of computer networking history get extremely blurred and runny, like using w

Re: Houston Computer Museum Warehouse Liquidation

2019-11-19 Thread William Donzelli via cctalk
> I have seen multiple posts over time speculating about flooding in the > warehouse. I would like to assure everyone that the warehouse has never > flooded, and that any posts to the contrary are inaccurate or greatly > exaggerated. The very best way to convince people of the lack of water damage

Re: 50 yrs. ago today

2019-10-30 Thread William Donzelli via cctalk
> comma, ignoring IBM. (correction) -- Will

Re: 50 yrs. ago today

2019-10-30 Thread William Donzelli via cctalk
> Funny thing was DECnet was in 1983 the largest world wide network > period. comma, ignoring SNA. -- Will

Re: IBM 1500 [was RE: Vintage Computer Warehouse Liquidation]

2019-10-29 Thread William Donzelli via cctalk
> The 1500 I worked with at the University of Texas School of Education was > based > on an 1800 (which is of course the same architecture as the 1130, but in > highboy > industrial cabinetry rather than a desk. Coursewriter II and APL\1500 for the > educational software, FORTRAN II and assemble

Re: 50 yrs. ago today

2019-10-29 Thread William Donzelli via cctalk
> You may want to reword that statement ("first inter-computer > communication"). The SAGE Direction Center computers were talking to each > other (cross-tell) in 1958, via Bell 101 modems. "First" is a dangerous word, isn't it? -- Will

Re: Vintage Computer Warehouse Liquidation

2019-10-28 Thread William Donzelli via cctalk
OK, not the thing I thought it was. -- Will On Mon, Oct 28, 2019 at 11:28 AM Thomas Raguso via cctalk wrote: > > This is a picture of the IBM 4505 display station. > > https://photos.app.goo.gl/iQXPGLS8zdD3JHyF8 > > Thomas Raguso

Re: Vintage Computer Warehouse Liquidation

2019-10-26 Thread William Donzelli via cctalk
PICTURES! PICTURES! PICTURES! > I have been unable to find anything about the 4505 display station. Does > anyone know any details about this item? It resembles an IBM 2260, but the > keyboard is not built-in, as in the 2260. I think it may be for an IBM 1500, the educational system based on an 1

Re: plated wire memory

2019-10-21 Thread William Donzelli via cctalk
> The 9300 used it, Donzelli says it wasn't very reliable And I do not remember where I heard that. It may have been from a Univac old-timer. -- Will

Re: Able document at VCF Midwest

2019-10-07 Thread William Donzelli via cctalk
> Do we know where the docs were before they hit the Free Pile? I took > home a few boxes of Will D's DECdocs, which I can double-check to make > sure yours didn't intermix. Otherwise, stuff flew off the Pile as fast > as it was placed there. This title does not ring a bell with me - I likely wou

Re: Mystery chip SCM44506L

2019-10-06 Thread William Donzelli via cctalk
> From a friend's estate I have a Motorola 24-pin 0.6" purple ceramic DIP. > > SCM44506L > 7610 B > > Any idea what this can be? Very likely a semi custom or custom memory device, due to the prefix. -- Will

Re: HP vintage boards being sold as scrap

2019-09-25 Thread William Donzelli via cctalk
> What, isn't anyone going to speculate on the value of the gold here? :-) Why bother? Everyone's opinion is completely accurate. -- Will

Re: Vintage Computer Warehouse Liquidation

2019-09-22 Thread William Donzelli via cctalk
> Keep in mind, this is a Classic Computing list, not all of us have a way to > send Texts. :-) Hopefully you’re monitoring email for replies. There are,of course, no email to text methods out there. None. Zip. -- Will

Re: RL02s not available

2019-08-22 Thread William Donzelli via cctalk
> I assume these are the ones you were going to bring out > here a few years ago? Didn't you tell me you lost interest? -- Will

RL02s not available

2019-08-22 Thread William Donzelli via cctalk
RLs are spoken for! -- Will

RL02s available

2019-08-22 Thread William Donzelli via cctalk
I have a pair of RL02 drives available, and can bring them to VCFmw in about three weeks. Pretty cheap. Untested. Contact me off list. -- Will

Re: IBM PT-2

2019-08-21 Thread William Donzelli via cctalk
I think this was a CE tool used with machines with the UC processor. My info is pretty sketchy... -- Will On Wed, Aug 21, 2019 at 11:29 PM Benjamin Huntsman via cctalk wrote: > > Anyone know anything about this?? > > https://www.ebay.com/itm/Vtg-1980-IBM-PT-2-Computer-Hall-Effect-Magnet-Keyboard

Re: Control Data 9766 drive on epay

2019-08-12 Thread William Donzelli via cctalk
that I ever wrote were on a CDC Cyber there (via a 300-baud > acoustic coupler modem at Valdosta State College). > > alan > > On 8/12/19 11:09 AM, William Donzelli via cctalk wrote: > > There is a Make Offer option, and it does look like the seller does > > take offers fa

Re: Control Data 9766 drive on epay

2019-08-12 Thread William Donzelli via cctalk
There is a Make Offer option, and it does look like the seller does take offers fairly regularly. I will not be buying it. If someone does, I have a huge amount of spares for 976x drives, including refurbished heads. It might take a while to find them in my mess, however. -- Will On Mon, Aug 12,

  1   2   3   >