test-drb December 2013

test-drb@ccmp.vtda.org

158 participants
140 discussions

Docs for "Sound Sight" bubble memory for TRS-80 Model 100?

by derschjo＠gmail.com

Snagged this (just too cool to pass up) a few days ago, it's a rather large expansion unit for the TRS-80 Model 100 (basically attaches to the bottom of the unit, adding an extra 1.5" thickness) that contains 128K of bubble memory (and takes an extra 7 AAs for power...). The only markings on it are a label on the front that says "Sound Sight." I have the ROM (which I'll attempt to dump once I can build an adapter for it) but no instructions. I've found a tiny bit of information on it ("CALL 63012" is a magic incantation to invoke the ROM) but nothing else. Anyone have any info on this? Thanks as always, Josh

10 years, 5 months

Lobo Max-80 Question

by snhirsch＠gmail.com

Does anyone know exactly what was in the Lobo branded "SASI" external hard drive? I've managed to convince my Max-80 to talk with a 10MB MFM drive behind an Adaptec ACB-4000 bridge controller. It formats and verifies without a complaint, accepts bad sector information and creates a working CP/M volume. But, for some reason I cannot get it to boot from the hard disk. It won't be the end of the world if I have to cold-start from a floppy, but my curiousity is getting the better of me. The utility that writes the boot sectors works fine - there's a brief flicker of drive activity and no error messages. When I set the DIP switches to cold-boot the hard disk, I can see the busy LED on the bridge board light up solid and the machine freezes. Under normal I/O, the drive activity LED illuminates at the same time as the one on the ACB-4000, but at boot I never see the drive itself respond. I'm assuming that there's some incompatibility between the ACB-4000 and the boot PROM. It would help to know what it's expecting to see. I've been digging through the boot ROM sources, but nothing jumps out so far. FWIW, I've tried an Adaptec ACB-5500 controller (same results), a Xebec 1410 (won't format or verify, but can be written/read) and a Xebec 1410A (I/O errors). Steve --

10 years, 5 months

Display Writer reader needed...

by geneb＠deltasoft.com

This was sent to me and I don't have the equipment to help the guy. Please contact him directly. tnx. g. ---------- Forwarded message ---------- Date: Wed, 18 Dec 2013 02:27:22 -0800 (PST) From: John Kerwin <thejohnkerwinshow at yahoo.com> To: "geneb at deltasoft.com" <geneb at deltasoft.com> Subject: Gene: Transfer Hello Gene, Question...can you transfer some old college files from an IBM Display Writer floppy disk?? If not, can you refer me to someone. My mother recently passed and I had 'letters to home' that were stored on this old, large floppy disc from the Display Writer. Much appreciated, John

10 years, 5 months

Vintage Computer meetings in Switzerland

by vermeulen.oscar＠gmail.com

Hi all, As a small group of Vintage Computer enthusiasts we have come together to start a Vintage Computer & Homebrewing group here in Switzerland. We intend to meet once a month with a presentation/demonstration of a specific topic, and have a general get-together afterwards. The inaugural meeting is on January 15th, and the topic will be Homebrewing and the N8VEM project, including an overview of vintage CP/M software that runs on it. Anyone who's interested is very welcome. We meet in the Hackspace Lucerne ( laborluzern.blogspot.ch) and the calendar for the next three months will be -- - Wednesday Jan 15th, 20:00 - Homebrewing & the N8VEM Project - Wednesday Feb 12th, 20:00 - Apple-1, Kim-1 & design of modern replica's - Wednesday Mar 12th, 20:00 - Hacking the Dragon 6809 computer More details are on our web site http://vintagebytes.ch/ . We look forward to meeting up with any of you living in the area! Regards, Oscar

10 years, 5 months

Single keycaps needed for 2 keyboards

by b4＠gewt.net

This is going to sound a little bizarre... I need a Sun type 5 escape key keycap and an Apple IIe 9 key. Anyone happen to have both or just one? Much appreciated! -- Cory Smelosky http://gewt.net Personal stuff http://gimme-sympathy.org Projects

10 years, 5 months

wanted: Apple Extended Keyboard, M0115, working or not

by spacewar＠gmail.com

I'm looking for an Applle Extended Keyboard, for ADB, model M0115 only. It doesn't have to be in good cosmetic condition, or even working. Missing keycaps OK. I just want it cheap. Thanks! Eric

10 years, 5 months

Looking for media and air filter for Diablo 31

by jdr_use＠bluewin.ch

Currently starting to revive a Diablo 31, and looking for a few media and an usable air filter for this. Europe preferred, but beggars cant be choosers of course,... Jos

10 years, 5 months

8" Drive Enclosures wanted

by snhirsch＠gmail.com

In a spontaneous burst of foolishness, I gave away all my extra 8" drive enclosures the other year. I anyone has one or two with working power supplies they are willing to part with, please drop me a note? Many thanks. I can do cash or trade. Steve --

10 years, 5 months

Another Mac Plus on the web

by mtapley＠swri.edu

All, I think this isn?t ground-breaking, but it?s nice to see. Mac Plus websurfing, with some semi-modern hardware hacking. http://www.keacher.com/1216/how-i-introduced-a-27-year-old-computer-to-the-… I would recommend Kermit for the early file transfers over serial, or I have to second the Localtalk/ethernet converter idea as well (mine is Farallon); that might be another good route to transfer the initial set of software. Not sure why one couldn?t web surf over the Farallon box as well, but I have not tried that. Another set of helpful information (with which y?all may be familiar already) is at: http://www.jagshouse.com/#Jag's%20Classic%20Mac%20Site claims 20,000 downloads, which is why I say ?Another? Mac Plus etc. - Mark

10 years, 5 months

Looking for media and air filter for Diablo 31

by jdr_use＠bluewin.ch

On 12/15/2013 07:45 PM, Al Kossow wrote: In the unlikely case that you're trying to restore an Alto, I've not had much success using old RK05 packs on them. Haven't tried bulk-erasing a platter yet to see if that would help. I wish...... No, it is a Diablo31 disguised as a Philips X1175. The one pack it has contains a Basic which i would like to recover. I will have too look for some other packs But a long term goal of recreation an Alto is tempting... Jos

10 years, 5 months

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test-drb December 2013