[cctalk] Re: Intel 4004

On 11/21/2023 4:08 PM, Fred Cisin via cctalk wrote: ISTR a 4004 on one of the boards of my DTC300 Hytype I daisy wheel printers. (or has unrefreshed wetware dynamic RAM lost its content?) On Tue, 21 Nov 2023, Peter Wallace wrote: I think thats a 4040 Peter Wallace Sorry about that. Not

[cctalk] Re: PDP-8/E front panels

EC) M849 M3310 On 16/11/2023 20:53, Bob Rosenbloom via cctalk wrote: Do you have any more of the DEC PDP-8 e/m/f front panels? I'm looking for one that matches the layout attached. I don't care what model (e/m/f etc.) it's for, but the rotary switch layout needs to be right and I prefer

[cctalk] Re: PDP-8/E front panels

On 11/16/2023 12:53 PM, Bob Rosenbloom via cctalk wrote: Do you have any more of the DEC PDP-8 e/m/f front panels? I'm looking for one that matches the layout attached. I don't care what model (e/m/f etc.) it's for, but the rotary switch layout needs to be right and I prefer the matte finish

[cctalk] PDP-8/E front panels

Do you have any more of the DEC PDP-8 e/m/f front panels? I'm looking for one that matches the layout attached. I don't care what model (e/m/f etc.) it's for, but the rotary switch layout needs to be right and I prefer the matte finish. Color is not important either I have orange, green, and

[cctalk] Re: Concorde cabin display technology?

This link mentions the Marilake displays were LCD: https://www.airliners.net/forum/viewtopic.php?t=194031 Most plasma displays I've seen were more red or red/orange. The Marilake displays look too yellow. Could be a monochrome LCD with an EL backlight. Bob On 9/16/2023 9:55 PM, Mark

Re: DEC AF01, open for offers

Whoops, should have been off list... On 12/8/2021 10:48 PM, Bob Rosenbloom via cctalk wrote: Do you have more info on it? I can't find much on-line. Is is a stand alone box or board set? I love A/D and D/A stuff so would be very interested. I have many PDP-8's, a PDP-12 and LINC-8. Any idea

Re: DEC AF01, open for offers

Do you have more info on it? I can't find much on-line. Is is a stand alone box or board set? I love A/D and D/A stuff so would be very interested. I have many PDP-8's, a PDP-12 and LINC-8. Any idea on how much you want for it? Thanks! Bob On 12/8/2021 4:11 PM, Chris Zach via cctalk wrote:

Re: Datasheet / Info for Motorola SC5330 IC?

On 9/30/2020 3:40 PM, Josh Dersch via cctalk wrote: On Wed, Sep 30, 2020 at 2:41 PM Gavin Scott via cctalk < cctalk@classiccmp.org> wrote: Josh wrote: https://1drv.ms/u/s!Aqb36sqnCIfMpIVXm5draSrWHGMzJg Would these potentially be the sense amp / comparators for the core? I wonder if they were

Re: Burroughs L-series paper tapes

On 8/1/2020 10:07 AM, Al Kossow via cctalk wrote: I've bought a small number of L-series tapes over the years that I finally read yesterday, mostly pass 1 and 2 of the assembler. Part numbers look like this. Oddly, they all seem to be wound backwards. The person-readable label is at the end,

Re: Bob Davis and old computer stuff

On 4/25/2020 3:27 PM, Chris Zach via cctalk wrote: Ok, I've uploaded pictures to https://www.crystel.com/bob/ There are a bunch of 8 inch floppies and old hard disks down there. We have to move fast though, this needs to be cleaned out. How can people help me on this? You could contact

Re: PDP-8 Straight 8 restoration - failure modes

On 3/30/2020 12:02 PM, Josh Dersch via cctech wrote: On Sun, Mar 29, 2020 at 1:48 PM Brendan McNeill via cctech < cct...@classiccmp.org> wrote: Here in NZ and around the world many of us are in lockdown and spending more time on our computers, if that were possible. I have just completed the

Re: 4054 in Sacramento

On 2/26/2020 1:47 PM, Al Kossow via cctalk wrote: On 2/26/20 11:56 AM, jos via cctalk wrote: On 26.02.20 20:43, Al Kossow via cctalk wrote: https://www.ebay.com/itm/TEKTRONIX-Model-4054A-ALL-IN-ONE-Microcomputer-Vintage/372966927909 good price, it's BIG though.. Would have loved to pick

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

On 1/25/2020 5:46 PM, Steve Malikoff via cctalk wrote: I was idly browsing some old electronics magazines on archive.org and saw this Tektronix testing system from 1972 that clearly has an 11/20 and TU-56. Just curious as to what the piece of gear is sandwiched between the two. It sort of looks

General Automation SPC 16 on eBay

There's a cheap General Automation SPC 16/45 on eBay that someone needs to get. It's for pickup only in Royal Oak, MI otherwise I would go for it. Includes a disk drive. Looks like it needs to be gone in a week. See:

Re: So what the heck did I just pick up?

On 8/30/2019 7:24 PM, John Ames via cctech wrote: Ran into this at the electronics-surplus store just down the way from my workplace and grabbed it on the cheap. I don't actually know what it *is,* but the labels on the switches make it look a *hell* of a lot like a 16-bit general-purpose

Another disk pack inspection unit on ebay

See: https://www.ebay.com/itm/Vintage-Computer-Link-665-Series-600-Disc-Pack-Inspector-AO-American-Optical/173934678748?hash=item287f5092dc:g:GBsAAOSw~61cUegn Bob -- Vintage computers and electronics www.dvq.com www.tekmuseum.com www.decmuseum.org

Re: Anyone live near Walnut Creek, CA?

On 6/3/2019 4:10 PM, steven stengel via cctalk wrote: There's a weird Sord M23P (I think) from the early 80's at this elderly persons house in Walnut Creek, CA - East of the bay. She can't pack and ship it - it's too big and heavy. It was actually sent to her by mistake, it was supposed to

Re: looking for an old IBM knob from a 609 calculator panel

> > Cindy > > -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Bob > Rosenbloom via cctalk > Sent: Tuesday, May 28, 2019 10:57 AM > To: William Donzelli; General Discussion: On-Topic and Off-Topic Posts > Subject: Re: looking for an old

Re: looking for an old IBM knob from a 609 calculator panel

can figure out how to draw it. Bob On Mon, May 27, 2019 at 11:41 PM Bob Rosenbloom via cctalk wrote: A long shot I know, but I'm looking for an IBM knob that's missing from a 609 calculator panel I have. Photos can be seen here: http://dvq.com/ibm/ibm-609-pnl1.JPG http://dvq.com/ibm/ibm-609

looking for an old IBM knob from a 609 calculator panel

A long shot I know, but I'm looking for an IBM knob that's missing from a 609 calculator panel I have. Photos can be seen here: http://dvq.com/ibm/ibm-609-pnl1.JPG http://dvq.com/ibm/ibm-609-pnl4.JPG http://dvq.com/ibm/ibm-609-pnl5.JPG I have no idea if the knob was made by IBM or was a common

DEC disc pack inspection unit on eBay

There's a mis-categorized  disk pack inspection unit up on eBay. Might be of use to someone. https://www.ebay.com/itm/Early-Digital-Equiment-Corp-DEC-Portable-Briefcase-Paper-Tape-Reader-Punch/303149714641?hash=item4695218cd1:g:ks8AAOSwEVZc1PQo Bob -- Vintage computers and electronics

Re: Old CE manuals

Yes, Al will end up with them after I play with them. Bob On 5/4/2019 12:38 PM, William Donzelli via cctalk wrote: Bob's a good home, too. -- Will On May 4, 2019 3:28 PM, "Donald via cctalk" wrote: I sent a mail to Al at a...@bitsavers.org on 4/11 regarding a bunch of IBM manuals.

Re: Old CE manuals

On 5/4/2019 11:21 AM, Donald via cctalk wrote: Still cleaning out for Nevada move. http://www.myimagecollection.com/cemanuals/ Last 2 are interesting. 2075 Processing Unit and some Russian machine EC4001. Number sounds familiar from my eBay sojourns. Available for cost of

Re: Which DEC machine made use of th pre Flip-Chip board?

On 12/21/2018 2:49 AM, Mattis Lind via cctalk wrote: There is an auction for some kind of early DEC module. It appears to be a bit slice of MB, AR and MQ. There is also a signature by Gordon Bell on the board. But I cannot figure out which early machine it comes from.

Re: Core memory emulator using non volatile ram.

On 12/15/2018 1:22 AM, Rod G8DGR via cctalk wrote: I have an idea to produce an MM-8 clone using RAM that acts like core when turned off. Can anybody suggest a chip that will do this? Rod Smallwood Sent from Mail for Windows 10 I used Everspin MRAM chips for my PDP-8e memory cards. It's

Re: PDP-8/e

On 12/7/2018 7:01 PM, Pete Turnbull via cctalk wrote: On 07/12/2018 17:44, Jon Elson via cctalk wrote: On 12/07/2018 11:22 AM, systems_glitch via cctalk wrote: Indeed, unless you need character pacing. Actually, with the correct settings of the serial port (xon/xoff or CTS pin) the serial

Re: A very sad PDP-8/S

On Saturday, November 3, 2018 7:14 AM, Adrian Stoness via cctalk wrote: get some thick plexi glass to cover it and sit it up for display to look in but not touch ;) On Sat, Nov 3, 2018 at 9:08 AM Guy Dunphy via cctalk wrote: > At 04:34 AM 3/11/2018 -0700, Al Kossow wrote: > >On

Re: source for smt probe clip

On 10/27/2018 9:50 PM, Chuck Guzis via cctalk wrote: On 10/27/18 9:13 PM, Al Kossow via cctalk wrote: On 10/27/18 7:37 PM, Eric Smith wrote: EZ-Hook XKM thanks! https://sigrok.org/wiki/Probe_comparison is a breakdown. they note that Salae used to ship EZ-Hook but now ship a knock-off (no

Re: PDP-8 screws

On 10/26/2018 8:04 PM, William Donzelli wrote: What is the thread? 6-32? 8-32? -- Will Thread is 6-32. Bob On Oct 26, 2018 8:44 PM, "Bob Rosenbloom via cctalk" mailto:cctalk@classiccmp.org>> wrote: On 10/26/2018 7:41 PM, Bob Rosenbloom via cctalk wrote: On

Re: PDP-8 screws

On 10/26/2018 7:41 PM, Bob Rosenbloom via cctalk wrote: On 10/26/2018 7:19 PM, Steve Malikoff via cctalk wrote: William said One the original PDP-8 ("Straight 8"), the front panel has two aluminum strips on the sides, one on the left and one on the right. Each should have a pair o

Re: PDP-8 screws

On 10/26/2018 7:19 PM, Steve Malikoff via cctalk wrote: William said One the original PDP-8 ("Straight 8"), the front panel has two aluminum strips on the sides, one on the left and one on the right. Each should have a pair of flathead countersunk screws, likwly Phillips head. Can someone tell

Re: SPACEWAR! Switch Boxes for a PDP-12

On 9/23/2018 7:46 AM, Michael Thompson via cctech wrote: Visitors to the RICM like to play SPACEWAR! in the PDP-12. Unfortunately using the console switches is uncomfortable, not intuitive, and is tough on the switches. We would like to recreate the switch boxes used on the PDP-1 to make playing

Re: Fall cleaning - 9-track drives available

I can hold it but I will probably not be around on the weekends for the next few weeks or so. Bob On 9/23/2018 1:03 PM, steve shumaker via cctalk wrote: If you can hold it until the 6th, I can pick it up either Sat or Sun. Steve dOn 9/22/2018 2:21 PM, Bob Rosenbloom via cctalk wrote

Re: Fall cleaning - 9-track drives available

No, it's still available, come get it! Bob On 9/22/2018 1:35 PM, steve shumaker via cctalk wrote: Ok.. I'll bite...   Is the CDC/clone system spoken for yet? Steve Shumaker On 9/21/2018 7:44 PM, Bob Rosenbloom via cctalk wrote: I have four 9-track tape drives, and a dirty DEC rack, that I

Re: Fall cleaning - 9-track drives available

On 9/21/2018 7:44 PM, Bob Rosenbloom via cctalk wrote: I have four 9-track tape drives, and a dirty DEC rack, that I need to get rid of. Two of the drives are HP 7970B's. One has the door unattached. Then there's a Kennedy 9100 800/1600 bpi drive. Very heavy.  As found, none tested by me

Fall cleaning - 9-track drives available

I have four 9-track tape drives, and a dirty DEC rack, that I need to get rid of. Two of the drives are HP 7970B's. One has the door unattached. Then there's a Kennedy 9100 800/1600 bpi drive. Very heavy.  As found, none tested by me. Just don't have time to play with them. Last is a CDC

Re: Oddball Terminals (Was: Re: VT100's)

On 9/6/2018 10:38 PM, Mark J. Blair via cctalk wrote: A long time ago, I had the incomplete remnants of an oddball terminal which I retrieved from a junk pile at a small, obscure school in Pasadena. I'll try to describe it as best I can, based on old memory. I could have sworn that it had a

Re: Looking for Tektronix 4052 R12 Graphics Enhancement ROM Pack and Tektronix 4014 demo files

Al has the 4052R12 ROM dumps up on bitsavers. Bob On 7/15/2018 12:49 PM, Monty McGraw via cctalk wrote: I have been recovering dozens of old Tektronix 4050 series tapes and found one with Fast Graphics software for the 4051. This software program jumped into 6800 assembly code and retrieved

Re: More tapes - This time all Tektronix 405x series -SERIAL PORT

I used an GPIB to serial converter to get serial data out of my 4052. This allowed me to get 8 bit serial data, not just the seven the Tektronix serial port allowed for. I used it to drive a paper tape punch/reader, just for fun. There are some on ebay. Also, an USB to GPIB converter should

Re: eBay: Anyone need a DLV11-J? -POOR CONDITION

On 4/5/2018 5:17 AM, Noel Chiappa via cctalk wrote: This is listed under a useless title: https://www.ebay.com/itm/292503681011 But it's (currently) cheap (don't all bid against each other ;-). Noel I bought a Tektronix 4010 interface board from this seller. It's basically

Re: OT: Digitising collections of microfiche - Re: Looking for opinions...

On 3/28/2018 6:00 PM, Fred Cisin via cctalk wrote: If you start with a fiche viewer, then a lot of the mechanical parts, such as the fiche holder, are well under way.  You need to modify the card movement mechanism to be able to automate it, but you could put that part off until you confirm

Re: Some fun: who can identify this ?

On 3/4/2018 10:26 AM, Adrian Stoness via cctalk wrote: some sorta drawer doubht its a chad catcher with a hole for a handle as for what its from no idea On Sun, Mar 4, 2018 at 11:54 AM, Paul Koning via cctalk < cctalk@classiccmp.org> wrote: Chad catcher from a PC05 paper tape punch?

Re: who is in this picture? (VCF 199x)

On Tuesday, January 30, 2018 1:55 PM, Bill Degnan via cctech wrote: https://retropopplanet.files.wordpress.com/2011/06/vintage-computer.jpg I was not at this particular VCF out in California in the later 90's when this photo of a DEC exhibit was taken; the

4051 communications PACK

Hi Randy. I'm sure I have an extra com pack. I'll check storage today. Bob -- Vintage computers and electronics www.dvq.com www.tekmuseum.com www.decmuseum.org

Miss categorized DEC box on ebay

PDP 11/03? LSI-11? Maybe someone can use it. Nice blue color. https://www.ebay.com/itm/VINTAGE-DIGITAL-INSTRUMENTS-COUNTER-HG-ELEMENTS/302392510749?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m1438.l2649 Bob -- Vintage computers and electronics www.dvq.com www.tekmuseum.com

Vidar large format scanner available

I have a Vidar P-62 large format scanner available to anyone willing to come pick it up. It has a SCSI interface. Drivers for Windows XP are available on the web, don't know about newer Windows or other operating systems. Also, it's completely untested, I have nothing that's has a SCSI

Re: Interest in copies of the TEK 4052/4054 diagnostic ROM pack ?

On Tuesday, November 21, 2017 11:18 AM, jos via cctalk wrote: Looking into fabricating a few (functional-only) copies of the Tektronix diagnostis rom pack Seems quite a few people have non-functional units... Any interest out there ? Jos Yes! I'm very interested

Re: Tek 4051 ROM cart box

On 10/3/2017 9:25 AM, Ian Finder via cctalk wrote: On Tue, Oct 3, 2017 at 9:12 AM, Randy Dawson via cctalk < cctalk@classiccmp.org> wrote: I think he has a few of these left. The big problem is the RAMPACK plastic cases are recycled from old ROMPACKs and these are in short supply. He is

Tektronix 4050E01

I'm looking for the schematic of a Tektronix 4050E01 ROM expander (toaster). This is the one that works with either the Tektronix 4051 or 4052/4054 units. Different than the 4051E01. I have a few to fix. Anyone have a manual for one that they could scan? Thanks, Bob -- Vintage computers and

Stuff available in Sacramento, CA

The following is available from Dan in Sacramento, CA. He usually will ship if needed. Please contact him directly, I'm just passing the info along. -Bob *Equipment available:* ** *1 **IBM 557 Interpreter **with manuals, $300* *3 IBM 1416 Print trains, $275 each* *2 IBM 3174-51R, $100

Corona Data Systems PC available

More spring cleaning. This time it's a Corona Data Systems PC. Kinda like an old Compaq unit. Has floppy and hard disk, but does not boot up. Pickup in Santa Cruz, CA http://anifur.com/clist/corona1.JPG http://anifur.com/clist/corona2.JPG http://anifur.com/clist/corona3.JPG Bob --

Re: HP 9836 systems and Fuji Pictrography 4000 printer available

On 5/27/2017 3:26 PM, Josh Dersch via cctalk wrote: On 5/27/17 1:51 PM, Bob Rosenbloom via cctalk wrote: I looked at the three machines. Two are monochrome and the third has a sticker saying it's been upgraded to an 9836C so that's the one for the color monitor. Unfortunately, it looks

Re: HP 9836 systems and Fuji Pictrography 4000 printer available

On 5/26/2017 12:50 PM, Tony Duell wrote: On Fri, May 26, 2017 at 8:45 PM, Bob Rosenbloom via cctalk <cctalk@classiccmp.org> wrote: Spring cleaning time! I have three vintage HP 9836 computers, two monochrome monitors, one color monitor and three printers. I'm sure they are going to nee

HP 9836 systems and Fuji Pictrography 4000 printer available

Spring cleaning time! I have three vintage HP 9836 computers, two monochrome monitors, one color monitor and three printers. I'm sure they are going to need work to get running. No testing has been done. Could probably get two out of the three working. Somewhere I have a few various I/O cards

Re: IBM 4331 Mainframe 3 phase converter

I use a solid state one, an older version of this: http://www.phasetechnologies.com/downloads/products/phase-perfect/pt330specs.pdf Bought on ebay quite a few years ago. I also have a small Phoenix rotary phase converter, also from ebay. This one seems to have unbalanced outputs. I believe it

Items available in Sacramento, CA

I got this from Daniel. You can contact him directly if there's anything of interest. Daniel de Long I will be going there on Tuesday and could bring things back to the bay area if they are not too large. I will have a trailer. Bob

Re: Trip to CHM - Hotel/Restaurant Advice

On 3/30/2017 8:42 PM, Fred Cisin via cctalk wrote: On Thu, 30 Mar 2017, jim stephens via cctalk wrote: Across from the side of the road that original Frys was on was a TOGO's that filled the parking lot and 2 or three nicely stocked junk stores, which changed frequently. The guys who did the

DEC VT520 in San Jose

Saw this on Craigslist so if anyone needs one it's reasonable at $35 working. https://sfbay.craigslist.org/sby/sys/6060214206.html Bob -- Vintage computers and electronics www.dvq.com www.tekmuseum.com www.decmuseum.org

Re: PDP-11/24 CPU later version

On 2/18/2017 10:29 AM, Paul Birkel wrote: -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Bob Rosenbloom Sent: Saturday, February 18, 2017 1:24 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: PDP-11/24 CPU later version On 2/18

Re: PDP-11/24 CPU later version

On 2/18/2017 10:04 AM, Paul Birkel wrote: -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Al Kossow Sent: Saturday, February 18, 2017 12:50 PM To: cctalk@classiccmp.org Subject: Re: PDP-11/24 CPU later version PDF-A which is the reason it's not on

Re: Trend HSR500 Paper Tape Reader manual

On 2/13/2017 2:06 AM, Tony Duell wrote: I am not sure if anyone is interested, but I've scanned the manual for the Trend HSR500 and HSR500P optical paper tape readers. If I've got the permissions right, then you can get it from my google drive on :

A bunch of vintage items available

Just passing this on. Please contact Dan directly at: Daniel de Long He's located in Sacramento, CA and in the past was willing to ship. Bob Equipment available: 1 IBM 552 Interpreter 1 IBM 557 Interpreter with manuals 1 MIA 557 Interpreter (IBM) with manuals 3 IBM

Re: What's the rarest or most unusual computer-related item do you own?

On 1/14/2017 3:49 PM, Rick Bensene wrote: --snip I know what you mean about the DC300 carts...what a lousy design...at least from a longevity standpoint. I've had numerous nightmares with those cartridges in a number of vintage systems that I've got.Broken tension bands, sticky

Re: How to refurbish plotter pens?

On 1/28/2017 6:51 AM, Mattis Lind wrote: I am about to get our IBM1627 (rebranded Calcomp 565) going but the pens in the case is quite dry. What is the best method to refurbish those? What is the best solvent to get the old ink out? What ink to refill with?

Varian, GA was: Re: What's the rarest or most unusual computer-related item do you own?

On 1/17/2017 9:09 AM, Chuck Guzis wrote: I find it curious that what seems to be collected in the minicomputer area seems to be gear of major brands. Does anyone collect Varian minis? Or General Automation? Or any one of the many non-DEC, HP, etc. minis? Heck, I don't read much about DG minis

Re: dual-wide dec extender cards

On 1/15/2017 2:30 PM, Glen Slick wrote: Was the point there that some other extender options have connectors that are not as deep, and therefore less desirable? I have a 6-DE-11 dual width, dual height (Height 8.43" Width 5.2") extender from Douglas Electronics that are available for $40 with

AB 7320 was: Re: What's the rarest or most unusual computer-related item do you own?

On 1/11/2017 8:45 PM, Jon Elson wrote: I also have an Allen-Bradley 7320, a CNC machine tool control. The heart of it is a 7300 "industrial processor" 16-bit minicomputer. I used it for a year or so to run a retrofitted Bridgeport milling machine, but got tired of it breaking down, which it

Re: Some scrapper in NC has an old machine Labled TRIAD he is scrapping

It could be a 7/32 or 8/32. There will be some custom Triad boards inside. Their systems were used in auto parts and hardware stores. Disk drives may be Hawks. The terminals were plasma screens designed in house. The printers are TI Omni 800's rebadged Triad. It looks like there are some CRT

Re: Gould 32/77 (was: NWA auctions)

On 10/14/2016 7:29 PM, Tony Aiuto wrote: I used most of the SEL/Gould/Encore machines. The 32/77 was an original SEL design, from before Gould bought them. It ran MPX-32, their real-time OS. TTL based. The 32/87 was ECL, in a much bigger cabinet. They made slight hardware changes to the 32/77

Re: Gould 32/77 (was: NWA auctions)

On 10/13/2016 9:01 AM, Rick Bensene wrote: I'm curious what the Systems 32/77 is.. Wasn't Gould SEL? maybe an SEL system? The 32/77-series was a 32-bit machine implemented in ECL, based on earlier SEL designs, but is definitely Gould in design/manufacture. Some of the machines in the series

ADM 3A in Sunnyvale, CA

On Craigslist. Has bad screen rot. http://sfbay.craigslist.org/sby/atq/5817891157.html Bob -- Vintage computers and electronics www.dvq.com www.tekmuseum.com www.decmuseum.org

IBM + misc Available in Sacramento CA

Got the following message from Daniel de Long. Please respond to him directly at: del...@ulink.net Dan de Long R Data Corp 2425 24th Street Sacramento Ca 95818 Phone 916 452 8233 He may be willing to ship stuff. Bob, Equipment available: Three new IBM 9518 Color Display in factory box,

Re: UMR computer photos

On 9/26/2016 3:21 AM, jim stephens wrote: I was looking thru one of the yearbooks from my time at University of Missouri, Rolla. I found what I think is a photo of a GE-200. I "liberated" this system or one of them to a lab I had, when they were mothballed, and I could swear that is what the

Re: Tektronix 4051 repair.

On 9/22/2016 1:17 AM, Mattis Lind wrote: I cannot find anything mentioned about character blanking in the circuit description. I read this on the topic "Alphanumeric Display": "Refer to the display control block diagram (Fig 6-13). The display coordinate position is generated through the

Re: Components available

. > On Sep 6, 2016, at 6:16 PM, Al Kossow wrote: > > > >> On 9/6/16 4:18 PM, Tom Gardner wrote: >> >> A friend of mine died recently; he was amongst many things an electronics >> tinkerer and has a closet full of small parts in bin cabinets (resistors, >> capacitors,

Re: Complete DisplayWriter on eBay

On 9/6/2016 9:27 PM, Mike wrote: On Tuesday, August 30, 2016 19:26:26 Ali wrote: Well, looks like the seller cancelled the bids and suddenly item is no longer available. Would like to believe it is a mistake but we all know better... -Ali I have a compete unit in Ottawa if there's interest.

DCS 2400 or System 2400?

I found a simple manual for a "System 2400" 24 bit computer. Can be downloaded here: http://dvq.com/docs/dcs2400o.pdf There's a reference to "dcs 2400" and on the title page, "Digital Computer" from the rep. Gene Baumgardner. Does anyone have more info on this computer, or the company who

Re: IBM 4361 + StorageTek 4674's

His email address is: del...@ulink.net Also, the 4361 is now tested! Got this from him: **/I had the IBM 4361-5 running// //today for history files, accounts receivables, month end statements, sales tax// //register, ran a few invoices on the Telex (IBM 3287) printer. Backed up files on

IBM 4361 + StorageTek 4674's

Want a smallish mainframe? Dan de Long (info at bottom, contact him directly) has an IBM 4361 system available. Also a bunch of peripherals and more modems than I've ever seen in one place. I bought an IBM 2540 card read punch from him and picked it up in person. I have some photos of the trip

Re: HP 2100A Restoration

On 8/1/2016 6:29 PM, Hayden Kroepfl wrote: Hi, I recently acquired a pair of HP 2100A minicomputers locally for very cheap. Don't think I could get much more local that a guy literally at the end of my street. He bought them at an auction over ten years ago, never powered them on, and left

Re: Why classiccmp is awesome [junk spots to visit]

On 7/31/2016 9:33 PM, jim stephens wrote: On 7/31/2016 6:42 PM, Erik Klein wrote: On Wed, Jul 27, 2016 at 8:24 PM, Fred Cisin wrote: Is it too late to also set up an E-waste recycling even next to VCF? Weird Stuff Warehouse is practically right around the corner...

Re: Facit 4070 to PC interface

On 5/4/2016 5:52 PM, Charles Dickman wrote: Has anyone ever worked up a PC parallel port to Facit 4070 paper tape punch interface? I found one on a Swedish website. The punch parallel input looks like it is TTL compatible, but I can't find anything in the documentation that describes the input

Re: Nice LAB11 brochure.

On Monday, May 2, 2016 1:21 PM, Paul Koning wrote: > On May 2, 2016, at 3:59 PM, Mattis Lind wrote: > > Yet another nice color brochure. > > https://dl.dropboxusercontent.com/u/96935524/Datormusuem/lab11.pdf > > Has anyone seen a VR20

Re: Rolm Computers: 1602, 1602A, 1602B, 1666, MSExx (was Data General Nova Star Trek)

On 4/27/2016 10:12 PM, Erik Baigar wrote: On Wed, 27 Apr 2016, Bob Rosenbloom wrote: I have my Rolm 1603 working. No peripherals hooked to it, but you can toggle in stuff from the front panel. http://dvq.com/oldcomp/photos2/1k/rolm1603_f.jpg Very cool, Bob - we have been in touch seom

Re: Rolm Computers: 1602, 1602A, 1602B, 1666, MSExx (was Data General Nova Star Trek)

On 4/26/2016 11:23 PM, Erik Baigar wrote: Well - "are out there" I agree, but do you know of any PRIVATELY owned and ALIVE machines? There is lot of PDP* discussion here, but it is very hard to get in touch with people being working on Rolm stuff. Of course: In contrast to a non-working PDP8

Re: Closeup needed

On 3/26/2016 10:53 AM, william degnan wrote: On Sat, Mar 26, 2016 at 12:40 PM, Rod Smallwood < rodsmallwoo...@btinternet.com> wrote: Hi Guys Does anybody have an 8/i or 8/L?. I need a close up pic of the logo area to the top left of the panel. In particular the address text

Re: 1950s TV computers

On 3/2/2016 5:41 PM, Chuck Guzis wrote: I've been having fun looking at TV programs that I watched when the family had a 17" monochrome RCA set. At any rate, here's one such about a guy who gets shocked by a computer: https://www.youtube.com/watch?v=V-pfWhehSB4 Note that, about 3:20 in, the

Re: papertape repair tape or kit wanted

On 11/28/2015 4:47 PM, william degnan wrote: Anyone have a source to purchase the tape to repair a papertape, or a kit such as what they have here: http://physicsmuseum.uq.edu.au/paper-tape-repair-tool Thanks You could try westnc.com, they used to sell splicing kits. Bob -- Vintage

Re: Tektronix 4051 RAMPACK - new design

On 11/15/2015 9:14 PM, Jos Dreesen wrote: On 16.11.2015 00:10, Bob Rosenbloom wrote: I was contacted by Micheal D. Cranford from the Tektronix Museum up in OR about a design for a ROM module for the Tektronix 4051 graphic computer. It looks to be a very useful item. See the description below

Tektronix 4051 RAMPACK - new design

I was contacted by Micheal D. Cranford from the Tektronix Museum up in OR about a design for a ROM module for the Tektronix 4051 graphic computer. It looks to be a very useful item. See the description below. He's looking to build up some of them and make them available. Cost would be about

Re: Front panels

On 10/31/2015 2:15 PM, Jon Elson wrote: On 10/31/2015 03:11 PM, Charles Anthony wrote: What I don't know how to do is drive 500 or so LEDs. I am guessing a bunch of shift registers, but I've pretty much reached my design limits. I need some guidance on locating and understanding the

Re: PDP 8 panels. Feedback

On 10/26/2015 8:05 PM, rod wrote: Hi Guys I need to get some comments on the following. 1. Would a matt finish be better than the current glossy one? 2. Should the round holes be pre-drilled? Regards Rod I would prefer the holes be drilled. It's not easy to drill the plastic

Re: looking for Siemens T100 telexes in the US

On 10/26/2015 12:56 AM, simon wrote: (As previous post did not get through, again a repost) Hi All, I was contacted via the greenkeys list for my spare parts of the two T100 telexes, but I think it should be possible to obtain them in the states. Is there someone willing to part of their

Re: HP2100 top card connectors

On 10/25/2015 7:35 PM, William Donzelli wrote: On the HP 2100 series machines (and possibly 1000s?) - those top of the card connectors - are they the 2 x 24 contact on 0.156" centers types? -- Will Most of them are. The first two boards have a pair of finer pitched connectors. The memory

Re: internet blocking problem ?

On 9/11/2015 7:46 AM, Lyle Bickley wrote: On Thu, 10 Sep 2015 20:32:11 -0500 Jon Elson wrote: Hello, all, I am a member of the Homebuilt CPU web-ring, and a really weird problem has turned up. The guy who administers the ring, David Brooks, is in Australia, and uses

Re: Mysterious S100 SRAM card

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 beer to the first person who guesses where I found it. Whoops! How about if I show you the

Re: HP 2100 bulbs

On 7/20/2015 8:59 AM, Jay West wrote: Snipped... Has anyone already found a good source/price for these? Given the number of bulbs per machine, cheaper is better :) I may have to go to one of those bulk purchase parts places, in which case I'd probably need an order of 1000 or so. If I

Re: Spacewar paper has been published!

On 6/30/2015 5:14 AM, Devin Monnens wrote: Martin and I would appreciate any feedback you have on the paper, including anything we might have missed or gotten in error and any new insights or memories you wish to share. Note we are still interested in collecting data through our survey, which

Re: PDP-8/e front panels.

On 6/7/2015 9:01 PM, Rod Smallwood wrote: On 08/06/2015 02:51, Mike Ross wrote: On Mon, Jun 8, 2015 at 1:13 AM, Noel Chiappa j...@mercury.lcs.mit.edu wrote: From: Rod Smallwood I have recently produced a number of high quality custom PDP8/e front panels. They are full