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101090 discussions

Unexpected Apple Lisa display - what is it?

by paul＠mcjones.org

> Date: Wed, 28 Sep 2016 09:15:42 +0000 (UTC) > From: steven stengel <tosteve at yahoo.com> > Message-ID: <916931269.6067118.1475054142110 at mail.yahoo.com> > > > What is this unusual Apple Lisa display - some sort of diagnostics? > > http://oldcomputers.net/temp/lisa.jpg I suspect it is a Macintosh utility (Disk Copy?) Lisas could run Macintosh software using something called MacWorks.

9 years, 4 months

cctalk Digest, Vol 27, Issue 27

by Wayne.Smith＠warnerbros.com

> Date: Wed, 28 Sep 2016 09:15:42 +0000 (UTC) > From: steven stengel <tosteve at yahoo.com> > To: "General Discussion: On-Topic Posts" <cctech at classiccmp.org> > Subject: Unexpected Apple Lisa display - what is it? > Message-ID: <916931269.6067118.1475054142110 at mail.yahoo.com> > Content-Type: text/plain; charset=UTF-8 > > What is this unusual Apple Lisa display - some sort of diagnostics? > > http://oldcomputers.net/temp/lisa.jpg It's the MiniFinder - part of Macintosh System release 2, I believe. https://pbs.twimg.com/media/CZan7K4UkAUvZak.jpg

9 years, 4 months

KT11-B Paging Option engineering drawings and 'Technical Manual' online

by jnc＠mercury.lcs.mit.edu

So, the KT11-B Paging Option engineering drawings recently made their appearance online: http://bitsavers.org/pdf/dec/pdp11/1120/KT11-B_EngrDrws_Feb72.pdf After a good bit of study of them, I have prepared a 'Technical Manual' for the KT11-B, somewhat in the flavour of the old DEC technical manuals: http://gunkies.org/wiki/KT11-B_Technical_Manual since the prints, by themselves, are fairly inscrutable: an incredibly large mass of gates (almost no MSI, other than a couple of Flip Chips included in the drawings as modules). The article basically attempts to describe how the thing works internally; it includes sections which describe the function (i.e. point) and operation of the circuitry on each page of the prints, and there's also a signal dictionary which describes what all the major signals mean/do. It's not quite absolutely complete, but it's 96% there at this point; I am still working on it. One thing I do intend to add (when I can work it out :-) is to annotate the table of states with info one what each states _means_. If anyone is particularly interested in this device, and reads the article, I would be very grateful for feedback on what's still missing that I could add, suggestions for better organization, etc, etc. Noel

9 years, 4 months

Unexpected Apple Lisa display - what is it?

by tosteve＠yahoo.com

What is this unusual Apple Lisa display - some sort of diagnostics? http://oldcomputers.net/temp/lisa.jpg

9 years, 4 months

Sanyo VM-4509 service manual

by aek＠bitsavers.org

As common as this monitor is, I don't see a scanned copy of a manual on any real site. Anyone know of a copy? I went ahead and bought a VM-4512 manual from Tucker to scan. At least that will be around..

9 years, 4 months

Availability of PDP-8i Front Panel

by rayneal382＠gmail.com

Sir; I working on a project to build a PDP-8i for a combined Compute Science/Electronic Engineering course on design. The purpose of this course is to teach the basic of computer design, build and Programing a computer they must build. This course is still a year down the road. I volunteer to accomplish the building of the prototype system using only the parts available at the time the orginal computer were built. The point of the build is, if a 70+ can sit down with the course material, and design and build a working model of the PDP-8i, the there is no excuse that each student attending the course, should not be able to accomplish the same task. 1. I would like to know if you still have your PDP-8i Front Panel still available? 2. What is the cost for the panel plus shipping to Tucson, Arizona? 3. I understands that you are attempting to re-manufacture the Switch Rocker Assembly? And possibly the PCB board for mounting the switches? a. If so, I would like to know status, and an estimated cost for a complete set? B. Would these items be compatible to with c&k 7000 u-frame series switches assembly? One other question I have is do you have any drawings that give both the dimensions and profile of the mounting frame? If so are they available? I want to Thank You for taking the time ahead of time in answering this E-mail. Respectfully; Ray Neal

9 years, 4 months

Availability of PDP-8i Front Panel

by anders.k.nelson＠gmail.com

Hi Ray (and everyone), I'm also very interested in knowing the mechanical dimensions of the front panel PCB and positions of the lamps/switches/mounts/etc., but for the PDP-8/e. Does anyone have front panel PCB dimensions and positions for all the UI components I could use? I can make a simple PCB design for each of the main areas (lamps, switch register, other switch groups) that will arrive at a few smaller PCBs, saving a ton of cost. I also have experience in LED display and switch matrix design so we won't need a thousand wires going everywhere when used with an emulator. For example, one USB cable for the entire front panel. There exists the amazing PiDP-8 ( http://obsolescence.wixsite.com/obsolescence/pidp-8) that has all of these items taken care of. But there does /not/ exist one for the PDP-8/e. I await your wisdom, -- Anders Nelson +1 (517) 775-6129 www.erogear.com ---------- Forwarded message ---------- From: Ray Neal <rayneal382 at gmail.com> To: cctalk at classiccmp.org Cc: Date: Sun, 25 Sep 2016 11:59:24 -0700 Subject: Availability of PDP-8i Front Panel Sir; I working on a project to build a PDP-8i for a combined Compute Science/Electronic Engineering course on design. The purpose of this course is to teach the basic of computer design, build and Programing a computer they must build. This course is still a year down the road. I volunteer to accomplish the building of the prototype system using only the parts available at the time the orginal computer were built. The point of the build is, if a 70+ can sit down with the course material, and design and build a working model of the PDP-8i, the there is no excuse that each student attending the course, should not be able to accomplish the same task. 1. I would like to know if you still have your PDP-8i Front Panel still available? 2. What is the cost for the panel plus shipping to Tucson, Arizona? 3. I understands that you are attempting to re-manufacture the Switch Rocker Assembly? And possibly the PCB board for mounting the switches? a. If so, I would like to know status, and an estimated cost for a complete set? B. Would these items be compatible to with c&k 7000 u-frame series switches assembly? One other question I have is do you have any drawings that give both the dimensions and profile of the mounting frame? If so are they available? I want to Thank You for taking the time ahead of time in answering this E-mail. Respectfully; Ray Neal

9 years, 4 months

Replacing HP 700 terminal CRTs

by aek＠bitsavers.org

I picked up a 700/60, the ANSI version of the HP 700-series terminal and when I took it apart to clean, it had a VDC 1401DP31BE inside. I swapped the CRT into a 700/92 which has a slightly different board, and a burned in amber tube, and it worked fine. Also I noticed the 700/96 PCB is almost identical to the 700/60, so I'll try a rom swap to see what happens. Too bad there aren't generally available cross reference list for terminal CRTs. FWIW, the 700/96 has a Philips M32ECD3G CRT. VDC is having a "sale" on the 1401DP4 and P31. The tube price is pretty cheap but the shipping is about double when you price it against their normal $55 price. The shipping goes down with quantity, so if you buy 5 or so it ends up being about $25 a tube and significantly cheaper than all of the ones listed on eBay.

9 years, 4 months

FYI- Department of Defense Debuts Vannevar Bush Faculty Fellowship, Research Gra

by COURYHOUSE＠aol.com

Department of Defense Debuts Vannevar Bush Faculty Fellowship, Research Grant Now Accepting Proposals The Department of Defense (DoD) has announced a new competition for the "Vannevar Bush Faculty Fellowship" in a recent Funding Opportunity Announcement (FOA) (N00014-16-R-FO12) on www.grants.gov. This program is formerly known as the National Security Science and Engineering Faculty Fellowship (NSSEFF), and both program names will be used for this round of competition during the transition phase. The Vannevar Bush Faculty Fellowship program is sponsored by the Basic Research Office, Office of Assistant Secretary of Defense for Research and Engineering (ASD(R&E)). The Office of Naval Research (ONR) executes the program for ASD(R&E) and is soliciting proposals. This program seeks outstanding researchers to propose basic research that is potentially transformative in topics areas of interest to the DoD. ?I strongly believe DoD faces some of the most exciting and difficult problems to be found in research and technology,? said Secretary of Defense Ash Carter. ?Vannevar Bush fellows will lead the way in transforming and defining new fields of science and in helping the Department look to the future. ? This new program name commemorates Dr. Vannevar Bush (1890-1974). He was the Director of Scientific Research and Development during World War II and the author of "Science, The Endless Frontier.? Bush was also a professor and Dean of Engineering at MIT and later founded a large defense and electronics company. As a devoted teacher, administrator and entrepreneur, Bush made creative and innovative contributions to science, engineering and the nation. During World War II, Bush mobilized America?s scientific resources to achieve advances in defense technologies that were decisive in winning the war. After the war, he was instrumental in formulating sound policies for the advancement of science, engineering and education. Bush, in his famous 1945 report, "Science: The Endless Frontier,? wrote that ?the pioneer spirit is still vigorous within this nation. Science offers a largely unexplored hinterland for the pioneer who has the tools for his task. The rewards of such exploration both for the nation and the individual are great. Scientific progress is one essential key to our security as a nation, to our better health, to more jobs, to a higher standard of living, and to our cultural progress." For more information on how to apply, please visit _http://www.acq.osd.mil/rd/basic_research/program_info/vbff.html_ (http://links.govdelivery.com/track?type =click&enid=ZWFzPTEmbWFpbGluZ2lkPTIwMTYwOTI2LjY0MjI4NDExJm1lc3NhZ2VpZD1NREItUFJELUJVTC0yMDE2MDkyNi42NDIyODQxMSZkY XRhYmFzZWlkPTEwMDEmc2VyaWFsPTE3MzUwOTI3JmVtYWlsaWQ9Y291cnlob3VzZUBhb2wuY29tJ nVzZXJpZD1jb3VyeWhvdXNlQGFvbC5jb20mZmw9JmV4dHJhPU11bHRpdmFyaWF0ZUlkPSYmJg==& &&101&&&http://www.acq.osd.mil/rd/basic_research/program_info/vbff.html?sour ce=GovDelivery) .

9 years, 4 months

68K Macs with MacOS 7.5 still in production use...

by jnc＠mercury.lcs.mit.edu

> From: Chuck Guzis > Call it anything you want, but we know what Motorola called it. The _first implementation_ may have been 16-bit, but I am in no doubt whatsover (having written a lot of assembler code for the 68K family) that the _architecture_ was 32-bit: - 32-bit registers - many operations (arithmetical, logical, etc) defined for that length - 32-bit addresses Etc, etc, etc, etc. Noel

9 years, 4 months

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