May 2023 - cctalk - classiccmp.org

Using Teledisk 2.16 to read old RX50 images

by Chris Zach

Hi! Well, after a good bit of work I have finally gotten my Compaq XE4000 up and running with Windows 98, the BIOS all set, a new battery, and of course a 1.2mb 5.25 floppy that seems to be working. I'd now like to start sucking the rare images I have here on RX50 into a TD0 format which can be converted to a .IMG format which can then be used on the mighty GoTek's to allow people to run such operating systems as: Micro RSTS 2.1 Micro RSX (I forget the exact version) Micro-11 Maint disks Ultrix 11 Version 2.0 (all 30 disks) Before I start popping these in I have a question: I just did a test using an XXDP floppy and the message I got included Single sided, double density Interleave 1:1 Sector Size is 512 And then for each track from 1 to 82 (?) it said "Data, No ID adding sector 110" Is this right? Something else I might need to do for reading RX50's? Thanks! CZ

4 months, 1 week

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Are there any useful OCR programs for scanning old listings and producing text with proper formatting

by Marc Howard

Marc Howard <cramcram(a)gmail.com> [image: Attachments]May 10, 2023, 8:58 PM (15 hours ago) to cctalk-owner I have some listings I want to convert to ASCII. They're line printer output from a computer that existed from the mid-sixties to the early 70's (Agage AGT series). I can't find any OCR package that can take scanner output (either PDF or JPEG) and convert it to text with roughly the same number of spaces between words as was there originally. Seems like it would be an easy task. The input is non-proportional text from line printer output (actually it might have been printed on a Diablo hytype). And yet all I get is most of the characters with either no or single spacing between words. And it misses quite a bit of scanned characters at that. Anyone have any good experiences trying to do this? I've attached a PDF scan if you have a way to do a test run. Thanks, Marc Howard

4 months, 2 weeks

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KIM-1 stuck bits from $280 to $29f

by Cameron Kaiser

Odd fault on my Rev D KIM-1 popped up while writing code this afternoon (initially I thought I had a bug in my paper tape transmitter) - between $0280 and $029f, the upper 5 bits are stuck at zero. The rest of the address range seems fine. In particular, $0080-$009f, $0180-$019f and $0380-$039f work correctly. This doesn't smell like a bad RAM chip to me or I would think there would be a bad bit throughout the entire 1K, so I suspect this is a data bus problem but I'm not sure where to start looking. Any guesses from the group? -- ------------------------------------ personal: http://www.cameronkaiser.com/ -- Cameron Kaiser * Floodgap Systems * www.floodgap.com * ckaiser(a)floodgap.com -- require "std_disclaimer.pl"; -----------------------------------------------

4 months, 2 weeks

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Altair 8800 question

by Mike Douglas

I have a reproduction of the metal nameplate strip that looks very close to the original if you want one. $10 plus shipping. Mike D

4 months, 2 weeks

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Did Intel's Insite User Program Library survive?

by Veit, Holger

Hi all, The PDF at https://www.bitsavers.org/pdf/intel/insite/1983_Insite_Users_Program_Librar… lists various old user submitted software which could have been ordered from Intel those days. Is there anything of that archived and downloadable somewhere? Regards Holger

4 months, 2 weeks

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OT: A list member in Japan?

by William Sudbrink

Is there a list member in Japan or soon traveling to Japan? I want to acquire something (not really vintage computer related) and the seller does not take paypal and I can't get funds to them. Thanks, Bill Sudbrink -- This email has been checked for viruses by Avast antivirus software. www.avast.com

4 months, 2 weeks

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Altair 8800 question

by W2HX

I see some altairs have a metal escutcheon on the bottom with the stylized words "MITS ALTAIR 8800 COMPUTER" whereas others, the front panel is just the dark faceplate top to bottom. What is the difference? Would one have been a kit and the other sold fully assembled? Or maybe later units vs earlier units? 73 Eugene W2HX Check out my Youtube Channel: https://www.youtube.com/@w2hx/videos

4 months, 2 weeks

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Kennett Classic May 20th hack-a-thon and Swap

by Bill Degnan

Kennett Classic May 20th hack-a-thon and Swap May 20th, 2023 | 9AM – 11PM 115 S. Union St. Kennett Square, PA (Hack-a-thon is in our large workspace "The Garage" across the street from the museum) Plenty of room for everyone, tables, chairs and power supplied. REGISTER NOW TO ENSURE YOUR SPACE Here is the URL for the EVENT REGISTRATION: https://www.kennettclassic.com/spring-hack-a-thon-may-20th-2023/ $5 / person (family) $10 / vendor Kids free. HACK-A-THON Any vintage computers (older than 20 years) you wish to restore, demo or sell during the day Hacking? Bring Your Tools (power strip, soldering irons, volt meters, screw drivers, spare parts) Dolly or cart to bring items in from the parking lot area. VENDORS Spaces for people who want to sell their items or exhibit/demo their projects. EXHIBITORS / DEMOS welcome! GENERAL PUBLIC There will be a pretty steady stream of visitors from the local community too. We have a growing vintage computing community in the South Eastern PA / North Delaware / North MD area. Saturdays are usually the busiest days at the museum, and downtown in Kennett. The museum will be open as usual for a Saturday, 12-5. Visit our event page for more details, contact, directions https://www.kennettclassic.com/spring-hack-a-thon-may-20th-2023/ EVENT MAILING LIST https://www.kennettclassic.com/contact.cfm Bring the Family! Things to do in Kennett Square https://www.kennettclassic.com/while-at-kennett-classic-food/ We're Nearby Longwood Gardens https://www.longwoodgardens.org Thank you. Bill Degnan Kennett Classic 484 732 741 https://www.kennettclassic.com Facebook Group: https://www.facebook.com/groups/6130337163716721

4 months, 3 weeks