[cctalk] Re: Ampex and the DG Compatible Market

price of DRAMs fell and could populate a 16k RAM board within my > budget. It was for a ham radio repeater controller. > > Wow! I had almost forgotten that, and it was difficult to drag it > from the little grey cells! > > cheers, > > Nigel > > > On 2023-12-05 0

[cctalk] Ampex and the DG Compatible Market

Although I knew that Ampex was a supplier of Multibus non-volatile RAM boards (MC-8080 and MCM-8086) - Memory Products Division - I didn't realize that they had competed for a while in the DG-compatible market alongside companies like Digidyne, Fairchild, Bytronix, and SCI Systems (according to

[cctalk] DEC DF03-AA Modem Documentation

The DEC DF02 (300 Baud) and DF03 (300/1200 Baud) modems appear to be singularly lacking in online documentation. In the case of the DF03 those would be: EK-ODF03-IP - DF03 Illustrated Parts Breakdown EK-ODF03-PS - DF03 Modem Pocket Service Guide EK-ODF03-UG - DF03 Modem Users Guide Similarly for

[cctalk] Re: Seeking DEC BN25B-nn Optical Fiber Cable

> From: pbir...@gmail.com > Sent: Sunday, November 6, 2022 2:50 AM > To: General Discussion: On-Topic and Off-Topic Posts > Subject: Seeking DEC BN25B-nn Optical Fiber Cable > > This is a twin/duplex cable of varying length with 100/140 um "multimode" cores and > SMA-906 connectors. SMA-906

[cctalk] Seeking DEC BN25B-nn Optical Fiber Cable

This is a twin/duplex cable of varying length with 100/140 um "multimode" cores and SMA-906 connectors. SMA-906 connectors have the stepped center-pin, compared to the SMA-905 which is a simpler straight pin. It's used, for example, by the LAN Bridge 100. For additional information see pages

RE: DEC KM11 (Was: DEC KL11)

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Tony Duell > via cctalk > Sent: Friday, September 24, 2021 4:12 AM > To: Noel Chiappa; General Discussion: On-Topic and Off-Topic Posts > Subject: Re: DEC KM11 (Was: DEC KL11) > > On Thu, Sep 23, 2021

RE: Tektronix 8002 microprocessor lab software

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Al Kossow via cctalk > Sent: Monday, July 19, 2021 7:25 PM > To: Al Kossow via cctalk > Subject: Re: Tektronix 8002 microprocessor lab software > > On 7/19/21 4:20 PM, Al Kossow via cctalk wrote: > > On

RE: Early Programming Books

ineer might find the McCracken book more to their liking. IMO, "in the world before 1960" both are "useful" without becoming a machine-specific instruction manual or cook-book. -Original Message- From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of Chuck Guz

RE: Early Programming Books

Google document translate gives a modestly useful result after OCRing the UT original scan (www.cs.utexas.edu/users/EWD/MCReps/CR1957-009.PDF). Needs significant further work for readability :-<. Deeker, et al. appear to approach the topic from the perspective of mathematics (that is, modestly

RE: Early Programming Books

Thank you for the references Paul. Found it at: www.cs.utexas.edu/users/EWD/MCReps/CR1957-009.PDF Also found "Course on programming in ALGOL 60 (11th Edition)" (1970): https://www.cs.utexas.edu/users/EWD/MCReps/CR1970-013.PDF Now I need to translate them from Dutch. Perhaps there already

RE: Early Programming Books

Thank you Michael, for both the pointer and the scan :-}. From: Michael Mulhern [mailto:mich...@jongleur.co.uk] Sent: Sunday, June 20, 2021 11:22 PM To: Paul Birkel; General Discussion: On-Topic Posts Subject: Re: Early Programming Books I recently scanned my copy of "Electronic Comp

RE: Early Programming Books

Sounds very promising, thank you for the tip. -Original Message- From: dave.g4...@gmail.com [mailto:dave.g4...@gmail.com] Sent: Sunday, June 20, 2021 4:01 PM To: 'Paul Birkel'; 'General Discussion: On-Topic Posts' Subject: RE: Early Programming Books Paul, What about Approximations

RE: Early Programming Books

, 2021 3:31 PM To: Paul Birkel; General Discussion: On-Topic Posts Subject: Re: Early Programming Books Paul, I have been compiling a library of such. Ioks here, if you are traveling north swing by to review the books on hand. The one that comes to mind is Thinking Machunrs by Berkeley but here

RE: Early Programming Books

[mailto:dave.g4...@gmail.com] Sent: Sunday, June 20, 2021 10:51 AM To: 'Paul Birkel'; 'General Discussion: On-Topic Posts' Subject: RE: Early Programming Books Paul, I assumed that was the case, but the inclusion of the Wilkes book confused me. I think there really is a spectrum of books, so say pre

RE: Early Programming Books

this from 1962 - A Programming Language, Kenneth E. Iverson However, I also have a reference from 1960 - LISP I Programmer's Manual, J. McCarthy et al. From: "General Discussion, On-Topic Posts Only" To: "Paul Birkel" , "General Discussion, On-Topic Posts Only"

RE: Early Programming Books

McCracken (1961: Guide to FORTRAN Programming). Obviously my first example was EDSAC-centric. And yours is specific to the Manchester MK1. -Original Message- From: dave.g4...@gmail.com [mailto:dave.g4...@gmail.com] Sent: Sunday, June 20, 2021 6:57 AM To: 'Paul Birkel'; 'General Discussion

Early Programming Books

I know of two early computer (in the stored program sense) programming books. 1951: Preparation of Programs for an Electronic Digital Computer (Wilkes, Wheeler, & Gill) 1957: Digital Computer Programming (McCracken) What others were published prior to the McCracken text?

RE: DEC PDP-8/e Omnibus backplane lubrication

Heading back to the OP topic, lubrication and reduction in insertion force (given presumptively clean contacts), I've read good things about NyoGel 760G Dielectric Synthetic Grease. "Used for lubrication and protection of electrical contacts." Safety sheet:

RE: QBUS/UNIBUS card handles

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Vincent > Slyngstad via cctalk > Sent: Monday, May 10, 2021 1:16 PM > To: cctalk@classiccmp.org > Subject: Re: QBUS/UNIBUS card handles > > On 5/10/2021 9:25 AM, Fritz Mueller via cctalk wrote: > > >

RE: General Instruments Capacitive Keyboard Encoder

> -Original Message- > From: Tony Duell [mailto:ard.p850...@gmail.com] > > On Wed, May 5, 2021 at 8:12 AM Paul Birkel wrote: > > > > > -Original Message- > > > From: Tony Duell [mailto:ard.p850...@gmail.com] > > > > > > &g

RE: General Instruments Capacitive Keyboard Encoder

> -Original Message- > From: Tony Duell [mailto:ard.p850...@gmail.com] > > > On Tue, May 4, 2021 at 10:33 AM Paul Birkel via cctalk > > wrote: > > > > I'm currently reverse-engineering an AMPEX keyboard that uses capacitive key > > switches.

RE: General Instruments Capacitive Keyboard Encoder

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Al Kossow > via cctalk > Sent: Tuesday, May 04, 2021 9:48 AM > To: cctalk@classiccmp.org > Subject: Re: General Instruments Capacitive Keyboard Encoder > > On 5/4/21 2:33 AM

General Instruments Capacitive Keyboard Encoder

I'm currently reverse-engineering an AMPEX keyboard that uses capacitive key switches. The basic design employs a GI encoder coupled to an 8039 MCU supplemented by a 2K EPROM and 74LS373 (used to latch the ROM address set from Port A while Port A is then used to read data back from the ROM). The

RE: DEC PDP-11/45 backplane +5 ECO

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Fritz Mueller via cctalk > Sent: Monday, April 26, 2021 2:27 AM > To: General Discussion: On-Topic and Off-Topic Posts > Subject: Re: DEC PDP-11/45 backplane +5 ECO > > > > On Apr 24, 2021, at 7:02 PM,

RE: DEC PDP-11/45 backplane +5 ECO

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Tony Duell > via cctalk > Sent: Saturday, April 24, 2021 11:56 PM > To: Noel Chiappa; General Discussion: On-Topic and Off-Topic Posts > Subject: Re: DEC PDP-11/45 backplane +5 ECO > > > PS: I wonder

RE: DEC BA11-K KY11-L mounting brackets -- how?

Nope. That's what mine looks like. His has some weird spot-welded bracket, presumably an earlier design. -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Henk Gooijen via cctalk Sent: Monday, April 19, 2021 3:40 AM To: Fritz Mueller; General

RE: DEC BA11-K KY11-L mounting brackets -- how?

Apparently DEC redid their design; my entire assembly is quite different and "it just works". I imagine that you aren't the first to be flummoxed by their original design. In my6 case there is no bump-out sub-assembly spot-welded to the plate, instead there is a separate wide-flat U bracket

RE: punching paper tape

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Christian Corti via cctalk Sent: Saturday, March 27, 2021 3:52 AM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: punching paper tape On Fri, 26 Mar 2021, Paul Koning wrote: > Some

Sovier/Russian 132-pin PGA Ceramic IC Packaging

In item https://www.ebay.com/itm/265045229011 I am curious as to whether the gold islands on the top-side are functional test-points giving electrical access to the underside pins? Was there a clip designed to attach to the top-side of these chips for use in circuit analysis? Was this design

RE: securing 15V pwr monitor board in H765 supply

Fritz: You are referring to the 5411086 board as seen in the lower picture at: http://gunkies.org/wiki/DEC_Power_Line_Monitor ? Mina has screws on all four corners to secure it to corresponding tabs in the metal frame for the power control circuitry. -Original Message- From: cctalk

RE: APE - ALTAIR peripheripheral emulator

According to http://home.comcast.net/~forbin376/AboutUs.htm -- Frank Barberis. -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of jwest--- via cctalk Sent: Sunday, January 03, 2021 4:00 PM To: 'General Discussion: On-Topic and Off-Topic Posts' Subject:

RE: Seeking: TMS32010 Assembly Language Programmer's Guide (1983)

4:51 AM, Paul Birkel via cctalk wrote: > I seek a copy (hard or electronic) of the "TMS32010 Assembly Language > Programmer's Guide" (1983). http://bitsavers.org/components/ti/TMS320xx/1983_TMS32010_Assembly_Language_Programmers_Guide.pdf I will be uploading a few other documents later today.

Seeking: TMS32010 Assembly Language Programmer's Guide (1983)

All; I seek a copy (hard or electronic) of the "TMS32010 Assembly Language Programmer's Guide" (1983). Paperback : 194 pages ISBN-10 : 0904047423 ISBN-13 : 978-0904047424 Publisher : Texas Instruments (December 1, 1983) Item Weight : 1.11 pounds Language: :

RE: IBM 3270 compatible terminal connected to Hercules IBM mainframe emulator.

Mattis: Is that SDLC implementation generally available? I see some interesting discussion of the possibility on Stack Exchange (Uriel Katz), but no obvious reference to a repository. -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Mattis Lind via

CLCC68 Covers

I intend to restore a pair of boards that used Intel Ceramic Leadless Chip Carrier (CLCC) parts. Unfortunately the socket covers were tossed when the boards were scavenged for their chips. The sockets and attached clips are themselves just fine. eBay item # 252830664338 is an example of this

RE: [HECnet] VAX/VMS 3.0 Distribution Available for Download

According to the Release Notes it works on the 11/750 and 11/730 as well. See: AA-D015D-TE https://archive.org/details/bitsavers_decvaxvms3leaseNotesV3.0May82_5458871/mode/2up -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Ray Jewhurst via cctalk

Microcap12 Spice simulator

Forwarding from another list because of its general interest: . A heads up that the guy who was responsible for the full professional grade Spice simulator Microcap (latest version 12) has retired, and made his software downloadable free of charge. It was $4,500 per seat before. Download

RE: HP vintage boards being sold as scrap

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Jay Jaeger via cctalk Sent: Thursday, September 26, 2019 6:40 PM To: cctalk@classiccmp.org Subject: Re: HP vintage boards being sold as scrap ... > There is a stack of IO interface boards, including HSTs,

RE: HP vintage boards being sold as scrap

-Original Message- From: Guy Dunphy [mailto:gu...@optusnet.com.au] Sent: Wednesday, September 25, 2019 6:07 AM To: Paul Birkel; General Discussion: On-Topic and Off-Topic Posts Subject: RE: HP vintage boards being sold as scrap At 02:29 AM 25/09/2019 -0400, you wrote: >I contac

RE: HP vintage boards being sold as scrap

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Guy Dunphy via cctalk Sent: Wednesday, September 25, 2019 1:57 AM To: Electronics Plus; General Discussion: On-Topic and Off-Topic Posts Subject: Re: HP vintage boards being sold as scrap ... This is going

DEC Scalps

https://www.ebay.com/itm/312738923353 Sez: "Older DEC PDP console face-plates DEC PDP 11/55 rare, PDP 8-straight 8 'glass'rare, PDP 8/L, PDP 8/I, DEC TU58 status/diag. Panel . All in goodshape. $1000 for the lot or $200 apiece. " -

RE: Current MANX location

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Noel Chiappa via cctalk Sent: Wednesday, August 21, 2019 10:46 AM To: cctalk@classiccmp.org Cc: j...@mercury.lcs.mit.edu Subject: Re: Current MANX location ... KE11-B Field Maintenance Print Set

RE: GW-DEC-1: A New DEC Prototyping Board

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Noel Chiappa via cctalk Sent: Thursday, August 15, 2019 12:45 PM To: cctalk@classiccmp.org Cc: j...@mercury.lcs.mit.edu Subject: Re: GW-DEC-1: A New DEC Prototyping Board > From: Paul Bir

RE: GW-DEC-1: A New DEC Prototyping Board

-Original Message- From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of emanuel stiebler via cctech Sent: Thursday, August 15, 2019 4:23 AM To: systems_glitch; General Discussion: On-Topic and Off-Topic Posts Subject: Re: GW-DEC-1: A New DEC Prototyping Board On 2019-08-15

RE: DEC VT20 boot device

>-Original Message- >From: Jay Jaeger [mailto:cu...@charter.net] >Sent: Saturday, August 10, 2019 11:02 PM >To: Paul Birkel; General Discussion: On-Topic Posts >Subject: Re: DEC VT20 boot device > >On 8/10/2019 1:56 PM, Paul Birkel via cctech wrote: >> The D

DEC VT20 boot device

The DEC VT20 terminal apparently included a PDP-11/05 with a direct mapped character display and was intended for text editing and typesetting. It seems to have been followed by the VT21, and then VT71/VT72, all three based on an LSI-11 (KD11-F). There's a real lack of documentation about these

RE: Sci-fi and science fiction [was Re: Scanning question (Is destruction of old tech docs a moral crime?)]

-Original Message- From: U'll Be King of the Stars [mailto:ullbek...@andrewnesbit.org] Sent: Sunday, July 21, 2019 3:36 AM To: Paul Birkel; General Discussion: On-Topic and Off-Topic Posts Subject: Sci-fi and science fiction [was Re: Scanning question (Is destruction of old tech docs

RE: Scanning question (Is destruction of old tech docs a moral crime?)

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Guy Dunphy via cctalk Sent: Saturday, July 20, 2019 11:00 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: RE: Scanning question (Is destruction of old tech docs a moral crime?) I'm posting

RE: DEC Purchase Specifications, particularly 23-000A9-01

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Mark J. Blair via cctalk Sent: Tuesday, July 16, 2019 4:10 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: DEC Purchase Specifications, particularly 23-000A9-01 . If 70ns access time

RE: PDP 11/15

> -Original Message- > From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of Paul Koning via cctech > Sent: Wednesday, June 19, 2019 1:59 PM > To: Bob Smith; General Discussion: On-Topic and Off-Topic Posts > Cc: Al Kossow > Subject: Re: PDP 11/15 > >... > 11/15 as a designation

RE: What Makes a PDP-11/35 or 40 Tick?

>-Original Message- >From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Liam Proven >via cctalk >Sent: Tuesday, June 11, 2019 7:06 AM >To: Discussion: On-Topic and Off-Topic Posts >Subject: What Makes a PDP-11/35 or 40 Tick? > >Found on Hackernews but by our very own Seth

RE: HP9816 PAL16L8

>-Original Message- >From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Chuck Guzis >via cctalk >Sent: Tuesday, June 11, 2019 12:19 AM >To: Tony Duell via cctalk >Subject: Re: HP9816 PAL16L8 > >On 6/10/19 8:44 PM, Tony Duell via cctalk wrote: > >> You can detect sequential

RE: HP 1000 A900 ("Magic") Questions

>-Original Message- >From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of Glen Slick >via cctech >Sent: Friday, May 10, 2019 1:34 PM >To: General Discussion: On-Topic Posts >Subject: Re: HP 1000 A900 ("Magic") Questions > >On Fri, May 10, 2019

HP 1000 A900 ("Magic") Questions

Aficionados; I'm interested in acquiring an HP1000 A900, in any form-factor. (http://www.hpmuseum.net/display_item.php?hw=594) Basic need would be a chassis/backplane/PS and minimal set of CPU/memory/HPIB-controller/terminal-IO PCA, however I'd be interested in simply acquiring a PCA-set

RE: Adding floppy drives to my PDP-11?

>-Original Message- >From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Glen Slick >via cctalk >Sent: Sunday, April 14, 2019 2:48 AM >To: General Discussion: On-Topic and Off-Topic Posts >Subject: Re: Adding floppy drives to my PDP-11? > >On Sat, Apr 13, 2019 at 3:07 PM

Control Console, but not PDP-10

The PDP-10 Control Console sold for $3,650.00. Amazing! Now consider a DSKY. Currently at $27,500.00. Auction estimate: $60,000+ Great provenance! “The DSKY that saved Apollo 14.” https://www.rrauction.com/bidtracker_detail.cfm?IN=5222 -

Control Console, but not PDP-10

The PDP-10 Control Console sold for $3,650.00. Amazing! Now consider a DSKY. Currently at $27,500.00. Auction estimate: $60,000+ Great provenance! “The DSKY that saved Apollo 14.” https://www.rrauction.com/bidtracker_detail.cfm?IN=5222 “Apollo 14 LM Simulator Computer Display and

RE: Craigslist: RP05 drive cable in Indiana

"Audio consoles" hah! That's a DEC MASSBUS cable. Heavy ... -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Jason T via cctalk Sent: Wednesday, March 27, 2019 3:23 AM To: General Discussion: On-Topic and Off-Topic Posts Subject: Craigslist: RP05

RE: PDP-11 Memory

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Bill Gunshannon via cctalk Sent: Wednesday, January 09, 2019 1:49 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: PDP-11 Memory ... M8067-LB M8067-LF M8067-LJ - Same problem. I can

RE: KD11-E/EA microcode flow diagrams

>-Original Message- >From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Fritz Mueller >via cctalk >Sent: Tuesday, January 08, 2019 1:43 PM >To: General Discussion: On-Topic and Off-Topic Posts >Subject: Re: KD11-E/EA microcode flow diagrams > >... I could really use a

Microcode, which is a no-go for modern designs

>-Original Message- >From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Carlo Pisani >via cctalk >Sent: Tuesday, January 01, 2019 5:35 PM >To: ben; General Discussion: On-Topic and Off-Topic Posts >Subject: Re: Motorola M88K books & user manuals (looking for) > >> I was

RE: 8-Update

>I have an .slt for the PDP-8/e lever >Rod Please publish/share? paul

RE: Hayes Transet Manual and Software

>-Original Message- >From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Jason T via >cctalk >Sent: Monday, December 17, 2018 12:44 AM >To: General Discussion: On-Topic and Off-Topic Posts >Subject: Hayes Transet Manual and Software > >One of my few remaining Holy Grail

RE: 8-Update

>-Original Message- >-From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Rod G8DGR >via cctalk >-Sent: Sunday, December 16, 2018 2:36 AM >-To: General Discussion: On-Topic and Off-Topic Posts >-Subject: 8-Update > >Sheesh!! >Well what a response. >This stems from my (so

RE: Core memory emulator using non volatile ram.

Perhaps Cypress FM1808 (32Kx8). Obsolete, but available on eBay. SOP for a bit of extra challenge! -Original Message- From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of Rod G8DGR via cctech Sent: Saturday, December 15, 2018 4:22 AM To: General Discussion: On-Topic and

RE: Opening RL02 disk pack

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Noel Chiappa via cctalk Sent: Friday, December 07, 2018 10:24 AM To: cctalk@classiccmp.org Cc: j...@mercury.lcs.mit.edu Subject: Re: Opening RL02 disk pack > From>: Christian Corti > I thought

RE: [rescue] Sun2/120 SunOS 3.2 suntools movie (was: advise on Sun2 disk install)

-Original Message- From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of allison via cctech Sent: Thursday, December 06, 2018 9:13 AM To: cct...@classiccmp.org Subject: Re: [rescue] Sun2/120 SunOS 3.2 suntools movie (was: advise on Sun2 disk install) On 12/06/2018 07:28 AM,

Operation Codes

https://www.asc.ohio-state.edu/dunlap.3/humor/instruction.set.html ERS Erase Read-only Storage FPT Fire Photon Torpedoes GCAR Get Correct Answer Regardless XIO Execute Invalid Op code Among others! -

RE: DEC backplanes on eBay

Superstar; see my post two weeks ago. -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Noel Chiappa via cctalk Sent: Monday, September 24, 2018 11:22 AM To: cctalk@classiccmp.org Cc: j...@mercury.lcs.mit.edu Subject: DEC backplanes on eBay Anyone

RE: VT240, VT241 are graphics? what does it mean?

And (of course!): TR-95_Fundamentals_Of_ReGIS_Jul79.pdf -Original Message- From: Paul Birkel [mailto:pbir...@gmail.com] Sent: Sunday, September 16, 2018 12:14 PM To: Carlo Pisani; General Discussion: On-Topic and Off-Topic Posts Subject: RE: VT240, VT241 are graphics? what does it mean

RE: VT240, VT241 are graphics? what does it mean?

See Bitsavers for: EK-VT125-GI-001_VT125_ReGIS_Primer_May82.pdf AA-K336A-TK_GIGI_ReGIS_Handbook_Jun81.pdf -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Carlo Pisani via cctalk Sent: Sunday, September 16, 2018 11:02 AM To:

RE: DEC lk201 keyboard for DEC Terminal vt220

Some useful information: http://www.netbsd.org/docs/Hardware/Machines/DEC/lk201.html -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Carlo Pisani via cctalk Sent: Saturday, September 15, 2018 10:15 AM To: cctalk@classiccmp.org Subject: DEC lk201

VAX 11/785 "Superstar" Backplanes

On the 'bay: 183405165416 and 183405165414 "Scrap / Gold Recovery" Six total. One wonders what the scrappers did with the rest, and where they came from given that the location is Goffstown, New Hampshire. paul

RE: Dilog DQ604 RL01 / RL02 emulation on ST506/ST412 disk.

Which length band did you find worked best as a replacement? -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Mattis Lind via cctalk Sent: Wednesday, August 22, 2018 2:50 AM To: General Discussion: On-Topic and Off-Topic Posts; Al Kossow Subject: Dilog

RE: Centronics 101A manuals?

Al: That's a very nice set that you've uploaded. Again, thanks :->. -Original Message- From: Paul Birkel [mailto:pbir...@gmail.com] Sent: Tuesday, August 14, 2018 3:21 PM To: Al Kossow; General Discussion: On-Topic Posts; cctalk@classiccmp.org Subject: RE: Centronics 101A manu

RE: HP scope mailing list

Try: hp_agilent_equipm...@yahoogroups.com -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Charles Dickman via cctalk Sent: Tuesday, August 14, 2018 8:56 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: HP scope mailing list Is there an

RE: Centronics 101A manuals?

to bitsavers this morning On 8/12/18 3:51 AM, Paul Birkel via cctalk wrote: > Speaking of BIG printers, does anyone have the maintenance manual for the > Centronics 101A impact printer?

Centronics 101A manuals?

Speaking of BIG printers, does anyone have the maintenance manual for the Centronics 101A impact printer? All that I've found thus far is marketing literature. Not even an owner's manual. -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Mattis Lind

All the Tech You Can Take

A recent visit to the Living Computers: Museum + Labs: https://www.washingtonpost.com/lifestyle/travel/a-seattle-museums-tech-bonan za-from-classic-video-games-to-virtual-reality/2018/07/25/16cc1f8c-8a8e-11e8 -a345-a1bf7847b375_story.html --

RE: Strange third party board in PDP-11/45

-Original Message- From: Paul Birkel [mailto:pbir...@gmail.com] Sent: Monday, July 23, 2018 2:36 AM To: General Discussion: On-Topic and Off-Topic Posts Subject: RE: Strange third party board in PDP-11/45 ... >From the ABLE marketing literature: CACHE/ 45 (CACHE BUFFER MEMORY) INSTA

RE: Strange third party board in PDP-11/45

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Mattis Lind via cctalk Sent: Monday, July 23, 2018 2:36 AM To: Noel Chiappa; General Discussion: On-Topic and Off-Topic Posts Subject: Re: Strange third party board in PDP-11/45 Here is how it is

RE: Strange third party board in PDP-11/45

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Noel Chiappa via cctalk Sent: Sunday, July 22, 2018 2:07 PM To: cctalk@classiccmp.org Cc: j...@mercury.lcs.mit.edu Subject: Re: Strange third party board in PDP-11/45 - MS11-B Engineering Drawings About

RE: Strange third party board in PDP-11/45

ACT is parked on the upper-right under the handle. Several variants of "10003" are marked near the left handle. And it's copyrighted 1976. ACT = ABLE Computer Technology. Their first product was PN 10001 (copyright 1976), the A.C.T. Univerter; see "Able_Univerter_Nov81.pdf" on Bitsavers.

RE: DEC FPJ11-AA

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Noel Chiappa via cctalk Sent: Sunday, July 01, 2018 8:12 AM To: cctalk@classiccmp.org Cc: j...@mercury.lcs.mit.edu Subject: Re: DEC FPJ11-AA > From: Paul Birkel > Same thing in thi

RE: DEC FPJ11-AA

Same thing in this case. The 11/84 is an 11/83 extended by a Unibus interface to support legacy peripherals. -Original Message- From: W2HX [mailto:w...@w2hx.com] Sent: Sunday, July 01, 2018 7:36 AM To: Paul Birkel; General Discussion: On-Topic and Off-Topic Posts Subject: Re: DEC FPJ11

DEC FPJ11-AA

https://www.ebay.com/itm/DEC-PDP-11-84-M8190-AE-Module-FPJ11-AA/113112634277 IMO a really good deal on an 18 Mhz FPJ11-AA. Those don't seem to come up much . Not my item, but I have previously purchased from this seller and he's reliable. -

How to get rid of a DECwriter II?

Cross-post for the DEC Lovers here. -Original Message- Sent: Thursday, May 24, 2018 9:52 PM Subject: [GreenKeys] How to get rid of a DECwriter II? I'd sure like to get this thing out to make room for more Teletypes. Located in NW Arkansas. Jim Haynes -

RE: Tennecomp

Three possibly interesting papers about some Tennecomp equipment uses. The third (MCA FOCAL) references the "PDP-9, PDP-9/L, or PDP-15". Also references DEC-15-MR2B-D "Advanced Monitor Software System for PDP-15/20/30/40". https://link.springer.com/content/pdf/10.3758%2FBF03201748.pdf

LCM 8/e System Photo makes ZDNet

https://www.zdnet.com/article/from-paper-tape-to-the-altair-8800-the-story-o f-my-first-computers/ Noel will appreciate the blinky-lights controller panel top-dead-center :->. paul

RE: Message Reply with quotation

In Outlook, this behavior is controlled using: Options : Mail : Replies and forwards -Original Message- From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of Pontus Pihlgren via cctech Sent: Wednesday, March 21, 2018 8:10 AM To: GerardCJAT; General Discussion: On-Topic and

RE: DEC Field Guide > equivalent available for Data General?

107-000187-16 = "DISK CARTRIDGE CONTROL DGC NOVA" -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Ulrich Tagge via cctalk Sent: Wednesday, March 21, 2018 5:37 AM To: General Discussion: On-Topic and Off-Topic Posts Subject: DEC Field Guide >

RE: XT/370 microcode

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Paul Berger via cctalk Sent: Monday, March 12, 2018 1:41 PM To: Guy Sotomayor Jr via cctalk Subject: Re: XT/370 microcode The IBM Systems Journal article does not go into great detail but says that a

RE: radar history

On Sat, Mar 3, 2018 at 12:46 AM, Chuck Guzis via cctalk < cctalk@classiccmp.org> wrote: > I dunno about these historical accounts. > > I was watching a PBS program about RADAR and the magnetron was made out > to be a super-secret device, yet there's a clear explanation of it in my > 1942 "Radio

ARPANET Reaches the Royal Signals and Radar Establishment (RSRE, Malvern)

The following extract comes from a History of Programming Languages (HOPL) retrospective on the development of the Ada programming language written by the individual who was the government lead at DARPA for much of the time of its development (Colonel William A. Whitaker). I found it humorous.

RE: Microfiches on Ebay

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Mattis Lind via cctalk Sent: Sunday, February 11, 2018 10:15 AM To: Noel Chiappa; General Discussion: On-Topic and Off-Topic Posts Subject: Re: Microfiches on Ebay 2018-02-11 0:04 GMT+01:00 Noel Chiappa

RE: anyone recognize this blank board?

DPM01 DECdataway terminal multiplexer ("a microprocessor-based peripheral interface")? http://bitsavers.trailing-edge.com/pdf/dec/terminal/EK-VT110_UG-001_Dec78.pdf -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Al Kossow via cctalk Sent: Saturday,

RE: Details about IBM's early 'scientific' computers

Wonderful document. Thank you IBM Customer Engineering! -Original Message- From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of Camiel Vanderhoeven via cctech Sent: Tuesday, November 14, 2017 4:01 AM To: Noel Chiappa; cctech; cctalk@classiccmp.org Subject: Re: Details about

RE: Computing Pioneer Dies

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Noel Chiappa via cctalk Sent: Monday, November 13, 2017 5:00 PM To: cctalk@classiccmp.org Cc: j...@mercury.lcs.mit.edu Subject: Re: Computing Pioneer Dies > From: Brent Hilpert > What about that

RE: HP 7970E - interest to split?

ce - can I just read and write bits at will or are there contingencies as someone mentioned before? =] On Tue, Sep 26, 2017 at 12:06 AM Paul Birkel <pbir...@gmail.com> wrote: > -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Anders > Nelson v

RE: HP 7970E - interest to split?

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Anders Nelson via cctalk Sent: Monday, September 25, 2017 7:01 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: HP 7970E - interest to split? Hmmm, interesting. How does the 7970

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