Re: OT: learner kits

4000 series are really much more static sensitive than bullet proof ttl there are pros and cons to everything 4000 series can use a higher VCC where ttl is 5V if you plan using 4000 series get him a wrist strap and a bench pad to attach it to grounding it all to earth. On 6/19/2015 7:19 PM,

Re: 1990 Era computer room

ahh the memorys i worked at dataproducts from late 1978 to late 1980 they were awesome printers the B series used the 2900 series bit slice building blocks they were speed daemons for their time its too bad that manufacturing in the USA has dropped because of cheap Chinese we may still have

Re: Fairchild

Maybe Univac? On 6/15/2015 9:58 PM, Zane Healy wrote: Does anyone happen to know what sort of computers Fairchild would have been using in the late 60's for design work? Zane -- The contents of this e-mail and any attachments are intended solely for the use of the named

Re: ultra sonic washing

nothing like running them through the dishwasher with hot water and good soap. I repair old arcade boards and i have found nothing better. after they are hot from the wash you blow them off with compressed air till try and leave them in a rack in case you missed any water. as long as they dry fast

Re: OT: Looking for the Tek 465 of Logic Analysers

i own a 16500B software is still on HPs site i got it off ebay for 200$ fully loaded with a FULL set of probes i am very happy with it go for the hp On 5/29/2015 1:37 PM, Marc Verdiell wrote: I'd suggest to go for the king of the hill at the time, and get an HP 16xx (163x, 165x, 166x,

Re: Data I/O 29B

I have a modified dos program that talks to the data i/o its the one that they sold with the unit but only ran on a 286 or lower system the modified one i have works in windows 7 in a dos box not tried it on a win8 or 10 system but i dont see why it would not work if your interested i can send it

Re: Data I/O 29B

i got a few of them and have the data somewhere i will try to dig it up and send u off list On 8/21/2015 5:33 PM, Billy Pettit wrote: I have a small batch of Data I/O EPROM burners. Trying to test them out and ran into a nightmare. They require a pin family and size parameter. But in

Re: Data I/O 29B

@classiccmp.org cctalk@classiccmp.org CC: j...@mercury.lcs.mit.edu j...@mercury.lcs.mit.edu Onderwerp: Re: Data I/O 29B From: wulfman I have a modified dos program that talks to the data i/o its the one that they sold with the unit but only ran on a 286 ... the modified

Re: Chromatics on ebay

You can offer to take him to small claims court for the item. That option has worked well for me in the past. Once you let them know the option of a court case is real they are more than willing to deal with the contract. IT's quite clear in the ebay auction terms. On 7/23/2015 3:54 PM, Noel

Re: Mysterious S100 SRAM card

I had 4 of them in my first 8080 computer. I believe they are SSM (Solid State Music brand) On 7/24/2015 2:16 AM, d...@661.org wrote: On Fri, 24 Jul 2015, d...@661.org wrote: Can someone identify this S100 SRAM card? I can tell that it's a 16K SRAM board made up of MM2114 chips. Virtual

Re: Just got a big C= Haul

good catch ! On 7/25/2015 5:07 PM, Tom Moss wrote: I'll just leave this here... (thief alert!) http://www.applefritter.com/node/4283 http://forums.macnn.com/59/marketplace/289901/beware-frylock1701-steven-landon-michigan/ https://groups.google.com/forum/#!topic/vintage-macs/LwIoke_aIDY

Re: PDP-12 at the RICM (Michael Thompson)

On 7/13/2015 4:59 PM, Michael Thompson wrote: Date: Mon, 13 Jul 2015 01:52:09 -0400 From: Kip Koon computer...@sc.rr.com Subject: RE: PDP-12 at the RICM Hi Michael, I would be most interested in finding out more about this effort. Do you have ongoing pictures documenting this effort? I'd

Re: PDP 11 gear finally moved

some are good some are bad. http://www.badcaps.net/ here is all the info you ever need on today's bad caps not so much on yesteryears bad caps On 7/17/2015 11:53 AM, Mouse wrote: I do find this witch-hunt against capacitors to be curious, given how few I've found to have failed. I

Re: PDP 8 panels. Feedback

To effectively drill in plastics you need to run the drill press on the highest speed you can and use a freshly sharpened drill bit. It kinda melts its way through. On 10/26/2015 8:28 PM, Bob Rosenbloom wrote: > On 10/26/2015 8:05 PM, rod wrote: >> Hi Guys >> I need to get some comments

Re: Model 152 PSU dummy loads - Re: NeXT Cube - powers on briefly then off again

Distilled water will not conduct. Its a perfect insulator. It will work fine. On 10/26/2015 7:45 AM, Jerry Weiss wrote: > Water in the dummy load? Water cooled - sure. Water immersed? Even > though I see it posted on the web, i have may doubts it would be a stable > method. > > Oil is

Re: Fw: new message

dont open this link. On 11/13/2015 8:26 AM, kateli...@trouts.org wrote: > Hey! > > > > New message, please read > > > > kateli...@trouts.org > > -- The contents of this e-mail and any attachments are intended solely for the use of the named

Re: Testing H7864 (MicroVAX II) PSU With No Load

its a switcher. On 11/1/2015 10:37 AM, Robert Jarratt wrote: > >> -Original Message- >> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Paul > Koning >> Sent: 01 November 2015 16:52 >> To: General Discussion: On-Topic and Off-Topic Posts >> Subject: Re: Testing H7864

Re: Looking for Serial Terminals

a decent deal for a new terminal http://www.ebay.com/itm/WYSE-55-Terminal-NEW-Green-Terminal-/151828013094?hash=item2359a7a026:g:wPkAAOSwjVVVoAQY lot more used on ebay too On 10/19/2015 11:16 AM, Brian Adams wrote: > Hi there, > > I've been wanting to get a nice serial terminal to use with my

IBM 1401

there is a cool video in the hackaday link below http://hackaday.com/2015/10/19/repairing-55000-of-vintage-core-memory/?utm_source=feedburner_medium=feed_campaign=Feed%3A+hackaday%2FLgoM+%28Hack+a+Day%29_content=FeedBurner+user+view -- The contents of this e-mail and any attachments are

Re: Altos ACS 8000-7 (8200) mainboard wanted / Shugart 4008 motor pulley

On 7/10/2015 7:50 PM, Jay Jaeger wrote: Long story, but I recently acquired an Altos ACS 8000-2 with an 8100-01 mainboard (which currently is not functioning). Acquired it on eBay where it was represented as an ACS-8000-7, along with an Altos 8000-7A 29MB hard disk (a Shugart 4008).

Re: Altos ACS 8000-7 (8200) mainboard wanted / Shugart 4008 motor pulley

PM, wulfman wrote: On 7/10/2015 7:50 PM, Jay Jaeger wrote: Long story, but I recently acquired an Altos ACS 8000-2 with an 8100-01 mainboard (which currently is not functioning). Acquired it on eBay where it was represented as an ACS-8000-7, along with an Altos 8000-7A 29MB hard disk

Re: Altos ACS 8000-7 (8200) mainboard wanted / Shugart 4008 motor pulley

have an Intel MDS IV with an ICE for (IIRC) an 8051, but have never used it for that purpose to date. JRJ On 7/11/2015 2:42 PM, wulfman wrote: no not a software emulator a hardware emulator you remove the Z80 and plug in a cable lets you step through the code test memory and run the board

Re: email gripe

yes html email gets deleted for the most part On 7/7/2015 7:13 PM, Jay West wrote: Chris wrote... Boy, count another vote against HTML-izing this list if that's what's being considered. - No, forcing the list to send email as HTML has never been done, nor is it being considered. I do

Re: Reading ROMs

They do not make bipolar proms any more. you can find them on ebay sometimes some functions can be emulated by fast pals. but not code storage. Old arcade games use them for all sorts of things. some old arcade game repair sites also sell the ICs

retro computers in your browser

http://hackaday.com/2015/09/28/roundup-retro-computers-in-your-browser/?utm_source=feedburner_medium=feed_campaign=Feed%3A+hackaday%2FLgoM+%28Hack+a+Day%29_content=FeedBurner+user+view -- The contents of this e-mail and any attachments are intended solely for the use of the named addressee(s)

Re: IBM 026

rule #1 Dont feed the trolls. On 9/18/2015 6:33 PM, Don North wrote: > Lucky it is not just scrap metal then, it is a probably restorable 026 > keypunch, of which very few still exist. > > By your criteria any classic computer is worth well less than $99, as > the metal content is much smaller

Re: Anyone interested in old (PDP-8 driven) Radio Automation hardware?

The "carts" were 4 track tapes. it was a popular radio station automation system back in the old days. The first radio station i engineered at used them and i was QUICK to convert them to a computer based automation system way ahead of most other stations. On 12/8/2015 8:56 PM, Josh Dersch

Re: Anyone interested in old (PDP-8 driven) Radio Automation hardware?

t; At 11:53 PM 12/8/2015, wulfman wrote: >> >>> The "carts" were 4 track tapes. >> They were not. They were either 2 track for mono or 3 track for stereo, >> and they were physically different from, and not interchangeable with, >> consumer tape cartridges

Re: TOP POSTING

Thunderbird has calendars now. On 12/11/2015 11:47 AM, Dave G4UGM wrote: > >> -Original Message- >> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Mouse >> Sent: 10 December 2015 01:32 >> To: cctalk@classiccmp.org >> Subject: Re: TOP POSTING (was: RE: Best 200 buck I

Re: Wanted: Specific Mallory cap...

supply a picture if you can On 1/6/2016 10:52 AM, Bill Sudbrink wrote: > Hi all, > > I am in the process of restoring/recreating a linear > PS as part of a project and I would like to use the > original parts if possible. I'm looking for six > Mallory axial electrolytic capacitors. The

Re: Cloning a PCB

I reverse engineer boards as a hobby i produce full schematics and can also replicate PC boards I have the boards produced in china. should be cheaper now that china is crashing and burning just takes time and money On 1/7/2016 3:11 PM, Glen Slick wrote: > On Thu, Jan 7, 2016 at 1:33 PM, Mike

Emulation

I know most of you have or are searching for the real thing. But for those of you that still don't have what your looking for, the arcade emulator MAME has now included most old computers in their emulation program. I have seen everything from apple computers to vax systems, while searching for

Re: http://hackaday.com/2016/05/29/dragging-teletypes-into-the-21st-century/?utm_source=feedburner_medium=feed_campaign=Feed%3A+hackaday%2FLgoM+%28Hack+a+Day%29_content=FeedBurner+user+vie

I figured some of you might have had an interest. Excuse me if i was wrong. On 5/29/2016 5:02 PM, Fred Cisin wrote: > On Sun, 29 May 2016, wulfman wrote: >> http://hackaday.com/2016/05/29/dragging-teletypes-into-the-21st-century/?utm_source=feedburner_medium=feed_campaign=Feed%3A

http://hackaday.com/2016/05/29/dragging-teletypes-into-the-21st-century/?utm_source=feedburner_medium=feed_campaign=Feed%3A+hackaday%2FLgoM+%28Hack+a+Day%29_content=FeedBurner+user+view

http://hackaday.com/2016/05/29/dragging-teletypes-into-the-21st-century/?utm_source=feedburner_medium=feed_campaign=Feed%3A+hackaday%2FLgoM+%28Hack+a+Day%29_content=FeedBurner+user+view -- The contents of this e-mail and any attachments are intended solely for the use of the named addressee(s)

Re: http://hackaday.com/2016/05/29/dragging-teletypes-into-the-21st-century/?utm_source=feedburner_medium=feed_campaign=Feed%3A+hackaday%2FLgoM+%28Hack+a+Day%29_content=FeedBurner+user+vie

You either have a stick up your ass, are too stupid to know the difference between a malware link and a real link OR both. Now go back to your worrying about the 0.1% of links that contain malware. On 5/29/2016 5:48 PM, Fred Cisin wrote:

Re: http://hackaday.com/2016/05/29/dragging-teletypes-into-the-21st-century/?utm_source=feedburner_medium=feed_campaign=Feed%3A+hackaday%2FLgoM+%28Hack+a+Day%29_content=FeedBurner+user+vie

I did not start the fire. On 5/29/2016 6:43 PM, Fred Cisin wrote: > On Sun, 29 May 2016, wulfman wrote: >> You either have a stick up your ass, are too stupid to know the >> difference between a malware link and a real link OR >> both. >> Now go back to your worrying

Re: Voltage regulator with alternate voltage source...

You should be just fine. On 4/7/2016 1:38 PM, Bill Sudbrink wrote: > If you have a circuit which is normally designed to > operate with an unregulated supply, through a regulator... > say unregulated +8 through a 7805 to a regulated +5 and > you want to test it independent of the +8 supply, if >

Re: Voltage regulator with alternate voltage source...

https://www.fairchildsemi.com/datasheets/LM/LM7805.pdf http://www.ti.com/lit/ds/symlink/lm78l05.pdf ( page 8 gives you the internals for a low power version ) Nothing in the data sheet saying you cant apply voltage to the output. As per the low power version circuit diagram i cant see how you

old stuff

old stuff in the news http://electronicdesign.com/embedded/qa-evan-koblentz-talks-about-vintage-computer-federation?NL=ED-001=ED-001_20160413_ED-001_944=42=article_1_b_rid=CPG0500127642_campaign=5851_medium=email=9b5cc472b42e4e158e087e66274f5deb http://www.vcfed.org/ -- The contents of