[cctalk] Re: First Personal Computer

2024-05-30 Thread Don R via cctalk
I’m surprised you didn’t quiz ChatGPT until it refused to answer and/or crashed. I understand “it” can use very “colorful” language when provoked and poked. ;) Don Resor Sent from someone's iPhone > On May 29, 2024, at 11:06 PM, John Herron via cctalk > wrote: > > Only because I thought it

[cctalk] Re: First Personal Computer

2024-05-27 Thread Don R via cctalk
16amps where? Don Resor Sent from someone's iPhone > On May 27, 2024, at 5:27 AM, Christian Corti via cctalk > wrote: > > On Sat, 25 May 2024, Chuck Guzis wrote: >> Okay, I'll refine it for the international crowd. Anything that >> requires over 1800 VA to run isn't a "personal computer"

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

2024-05-24 Thread Don R via cctalk
Well the Xerox Alto had a three button mouse, making it “extra” personal. ;) Don Resor Sent from someone's iPhone > On May 24, 2024, at 11:53 AM, Fred Cisin via cctalk > wrote: > > On Fri, 24 May 2024, Sellam Abraham via cctalk wrote: >> > Besides nobody fully comprehending what "FIRST"

[cctalk] Re: C. Gordon Bell, Creator of a Personal Computer Prototype, Dies at 89

2024-05-22 Thread Don R via cctalk
Control-G In one of the comments I found this interesting tidbit: Working at DEC for many years, I learned a lot from Mr. Bell. One of my favorite sayings was he calling himself "the industry standard dummy." Which simply meant that he approached all new products without pre-conceived

[cctalk] Re: Double Density 3.5" Floppy Disks

2024-05-07 Thread Don R via cctalk
That would just about break my piggy bank, and it wouldn’t even fit the connector on the back of the machine. :( Don Resor Sent from someone's iPhone > On May 6, 2024, at 9:33 PM, Chuck Guzis wrote: > > On 5/6/24 2116, Don R wrote: >> Maybe I need one of these power cords for my

[cctalk] Re: Double Density 3.5" Floppy Disks

2024-05-06 Thread Don R via cctalk
Maybe I need one of these power cords for my Monroe-Litton 1830 aka Compucorp 485. It might make the calculations more precise? ;) Don Resor Sent from someone's iPhone > On May 6, 2024, at 8:55 PM, Chuck Guzis via cctalk > wrote: > > On 5/6/24 20:25, Fred Cisin via cctalk wrote: >

[cctalk] Re: Double Density 3.5" Floppy Disks

2024-05-06 Thread Don R via cctalk
Maybe I need one of these power cords for my Monroe-Litton 1830 aka Compucorp 485. It might make the calculations more precise? ;) Don Resor Sent from someone's iPhone > On May 6, 2024, at 8:55 PM, Chuck Guzis via cctalk > wrote: > > On 5/6/24 20:25, Fred Cisin via cctalk wrote: >

[cctalk] Re: 5,34 Petaflop System Cheyenne

2024-05-03 Thread Don R via cctalk
Not bad for scrap value? ;) Don Resor Sent from someone's iPhone > On May 3, 2024, at 4:57 PM, Gavin Scott via cctalk > wrote: > > Sold at $480,085.00. > >> On Fri, May 3, 2024 at 6:22 PM Gavin Scott wrote: >> >> On Fri, May 3, 2024 at 5:14 PM Liam Proven via cctalk >> wrote: >> >>>

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

2024-04-15 Thread Don R via cctalk
At first I misread the subject as my 901lb wife…. Man I need my eyes checked! ;o) Don Resor Sent from someone's iPhone > On Apr 15, 2024, at 7:04 PM, ED SHARPE via cctalk > wrote: > > Bomar 901b My wife found in my stuff. Is this as scarce at it seems?s,? > > > Sent from AOL on

[cctalk] Re: HP 9825A version of HPL / Roms

2024-04-11 Thread Don R via cctalk
There are several videos about repairs to the 9825 and repairing the tape drive by Marc V. CuriousMarc) on YouTube. Don Resor Sent from someone's iPhone > On Apr 11, 2024, at 9:16 PM, Andre Lewis via cctalk > wrote: > > Thanks Paul, handy to know! > > I have a set of tapes that look to

[cctalk] Re: typical IC kits on Amazon and elsewhere

2024-03-31 Thread Don R via cctalk
My problem with DigiKey is tacking on the additional “tariff” charge on invoices. Granted it’s not an extreme amount, but still… I contacted Mouser about imposing additional tariff charges, and was told a resounding no. Thanks to our past president for increasing the cost of doing business,

[cctalk] Re: WWVB

2024-01-14 Thread Don R via cctalk
I also have a decades old SkyScan WWVB LCD wall clock which has survived a few sets of leaking AA batteries :). It still keeps accurate, occasionally it doesn’t sync, though I think that can be chalked up to signal propagation. It’s possible the problem is interference EMF, RF etc. Try

[cctalk] Re: xerox viewboard

2023-07-21 Thread Don R via cctalk
You might also try contacting someone at Digibarn. Don Resor Sent from someone's iPhone > On Jul 21, 2023, at 5:58 PM, r.stricklin via cctalk > wrote: > > Looking for information on how to set the jumpers/dip switches on the Xerox > ViewBoard (AWPI Bounty) and ViewBoard II. > > Apparently

[cctalk] Re: Looking for EPROMs

2023-03-27 Thread Don R via cctalk
You might try Utsource. utsource.net Don Resor Sent from someone's iPhone > On Mar 27, 2023, at 5:17 PM, John Robertson via cctalk > wrote: > > On 2023/03/27 2:10 p.m., Mark Linimon via cctalk wrote: On 03/27/2023 5:38 PM GMT rescue via cctalk wrote: >>> have a number of 2764,

[cctalk] Re: Computer Museum uses GreaseWeazle to help exonerate Maryland Man

2023-01-26 Thread Don R via cctalk
What about the SCM Kleinschmidt spin printer. Don Resor Sent from someone's iPhone > On Jan 26, 2023, at 1:56 PM, Chuck Guzis via cctalk > wrote: > > On 1/26/23 13:23, Fred Cisin via cctalk wrote: >> On Thu, 26 Jan 2023, Chuck Guzis via cctalk wrote: >> >> Even a daisy wheel is easily

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

2023-01-23 Thread Don R via cctalk
Correction, that should have been… THWT! ;) Don Resor Sent from someone's iPhone > On Jan 23, 2023, at 6:49 PM, Don R via cctalk wrote: > > From NYT website: > > You’ve reached your limit of free articles. > > Purchase a subscription yadda-yadda > > THET! :)

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

2023-01-23 Thread Don R via cctalk
From NYT website: You’ve reached your limit of free articles. Purchase a subscription yadda-yadda THET! :) Don Resor Sent from someone's iPhone > On Jan 23, 2023, at 5:18 PM, Ali via cctalk wrote: > >  >> >>> Hmmm I wonder where The Pentagon buys them to keep the launch >>> codes

[cctalk] Re: Computer Museum uses GreaseWeazle to help exonerate Maryland Man

2023-01-20 Thread Don R via cctalk
Unfortunately I see that Xerox Memorywriter (630, 640, 645) is not on this list. :( Don Resor Sent from someone's iPhone > On Jan 19, 2023, at 7:18 PM, Fred Cisin via cctalk > wrote: > > http://www.xenosoft.com/fmts.html > is a list of the formats that I had managed to do on PC by Y2K.

[cctalk] Re: Old Silicon Valley poster

2022-12-10 Thread Don R via cctalk
The one problem with that is how compressed the default scanning rate is set too. I once asked if a oversized image could be scanned at a high quality scan rate of my choice and was told no, it would be scanned at a preset default. Often times it’s the lowest denominator, unless you can do

[cctalk] Re: Old Silicon Valley poster

2022-12-10 Thread Don R via cctalk
I’m surprised no one has scanned one for upload to archive.org. Would that reduce its auction value? ;) Don Resor Sent from someone's iPhone > On Dec 10, 2022, at 5:01 PM, Warner Losh via cctalk > wrote: > > On Sat, Dec 10, 2022, 5:59 PM Bill Gunshannon via cctalk < >

[cctalk] Re: Old Silicon Valley poster

2022-12-10 Thread Don R via cctalk
I wonder how accurate the map would be in present times, with all of the mergers, takeovers and acquisitions. Don Resor Sent from someone's iPhone > On Dec 10, 2022, at 3:27 PM, John Foust via cctalk > wrote: > >  > Well, she went for $810 to a map dealer in London, and he had to pay >

[cctalk] Re: Identifying a Failed Diode in a Rainbow H7842 Power Supply

2022-11-24 Thread Don R via cctalk
You’re right, I superimposed the number. That certainly doesn’t help at all. Don Resor Sent from someone's iPhone > On Nov 23, 2022, at 10:50 PM, Don R via cctalk wrote: > > The data sheet lists H5892 through H5899 and H5900 through H5911. > > Don Resor > > Sent

[cctalk] Re: Identifying a Failed Diode in a Rainbow H7842 Power Supply

2022-11-23 Thread Don R via cctalk
The data sheet lists H5892 through H5899 and H5900 through H5911. Don Resor Sent from someone's iPhone > On Nov 23, 2022, at 4:32 PM, Peter Coghlan via cctalk > wrote: > > Don, > > Does the url suggest you may have searched for a H5901 rather than a H9501? > > Regards, > Peter Coghlan. >

[cctalk] Re: Identifying a Failed Diode in a Rainbow H7842 Power Supply

2022-11-23 Thread Don R via cctalk
This data sheet may prove to be more useful. https://www.nteinc.com/specs/5800to5899/pdf/nte5892_99.pdf Don Resor Sent from someone's iPhone > On Nov 23, 2022, at 1:00 PM, Don R wrote: > > NTE seems to turn up these possibilities for a H9501. > >

[cctalk] Re: Identifying a Failed Diode in a Rainbow H7842 Power Supply

2022-11-23 Thread Don R via cctalk
NTE seems to turn up these possibilities for a H9501. https://www.nteinc.com/search/search/search.php?ss360Query=H5901 Don Resor Sent from someone's iPhone > On Nov 23, 2022, at 12:04 PM, Antonio Carlini via cctalk > wrote: > > On 21/11/2022 21:45, Antonio Carlini wrote: >> >> I have two

[cctalk] Re: ESD Bags

2022-11-16 Thread Don R via cctalk
Amazon may be another option, especially if you have Prime. eBay might be another. Do the math though to be sure. Don Resor Sent from someone's iPhone > On Nov 16, 2022, at 1:02 AM, Peter Andersen via cctalk > wrote: > > Yes, buy from aliexpress. Lots of them in different sizes and

[cctalk] Re: Bendix G-15 Restoration

2022-10-05 Thread Don R via cctalk
To think that IBM Model B typewriter/terminal has no exposed wiring. It’s in the picture so it must be true! ;) Don Resor Sent from someone's iPhone > On Oct 5, 2022, at 8:00 PM, Jon Elson via cctalk > wrote: > > On 10/5/22 16:14, Stephen Buck via cctalk wrote: >> Hi All, >> I wanted to

[cctalk] Re: Identity of this PII PC Main board?

2022-09-13 Thread Don R via cctalk
With a slightly different mix of electrolytic capacitors near the slot sockets. Thanks Don Resor Sent from someone's iPhone > On Sep 13, 2022, at 12:09 AM, Richard Swingwood via cctalk > wrote: > > Looks like a PCChips board. > > See >

Re: OT: mail provider recommendation

2022-06-11 Thread Don R via cctalk
If you are on the west coast, consider sonic.net Don Resor Sent from someone's iPhone > On Jun 10, 2022, at 10:44 PM, John Robertson via cctalk > wrote: > > There ain’t no such thing as a free lunch! > > What did you think would happen with large free email hosts? They round up > all the

Re: rotron caravel fan used in DEC and other cabinets

2022-02-20 Thread Don R via cctalk
You might also consider All Electronics: https://www.allelectronics.com/index.php?page=seek%5Bm%5D=pattern%5Bq%5D=Fan Don Resor Sent from someone's iPhone > On Feb 20, 2022, at 5:12 PM, Vincent Slyngstad via cctalk > wrote: > > On 2/20/2022 4:34 PM, Noel Chiappa via cctalk wrote: >> >

Re: IBM 6731 Diskette Module

2022-01-19 Thread Don R via cctalk
My curiosity is “what kind” of boot program did they use, was it some sort of PC Dos incarnation? There’s very little info left in IBM’s archives. I also suppose the IBM Modularity option which plugs into the CPU board of the electronic typewriter, but that too is an educated guess on my

Re: DEC PDP-8/e Omnibus backplane lubrication

2021-05-11 Thread Don R via cctalk
If the contacts are gold then I would suggest Caig ProGold followed by Caig Shield S5. Use sparingly as it’s highly conductive and may lead to some strange results from spraying it too freely. You might also consider one of Caig’s Non-Conductive Buss Lubricants. Don Resor Sent from

Re: Apple II PSU

2021-05-10 Thread Don R via cctalk
In a search on eBay for that Astec p/n seems the power supplies made in Hong Kong have the two rivets you shared in the image. Those manufactured in Malaysia have screws all around. Seems to be an tampering deterrent and or warranty void indicator to me. If they are aluminum pop rivets,

Re: DEC pin

2021-03-31 Thread Don R via cctalk
Tsk tsk ;) Don Resor N6KAW Sent from someone's iPhone > On Mar 30, 2021, at 11:38 PM, Curious Marc via cctalk > wrote: > > I’ll blame it on Kyle and Fritz, I could not resist… > > https://curiousmarcs-store.creator-spring.com/listing/VAXinated > > > > Marc > > > > > > On Wed, Mar