test-drb

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101090 discussions

by pbirkel＠gmail.com

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

8 years, 4 months

Looking for 3B2 "NI" source code

by web＠loomcom.com

Hi folks, I know this is a wild long shot, but just in case... Does anybody have a copy of the source code for the NI Ethernet driver for the AT&T 3B2? AT&T distributed it, but I have never seen a copy in the wild. The package name was "nisrc", if that helps. If I can't find it, I'll have to reverse engineer the binary. Won't that be fun! -Seth -- Seth Morabito web at loomcom.com

8 years, 4 months

motorola's chip page

by dave＠661.org

Does anyone know where Motorola's current production chips are described? http://www.motorola.com/General/prodport.html only partially works and search is entirely broken because http://search.motorola.com no longer exists. -- David Griffith dave at 661.org A: Because it fouls the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?

8 years, 4 months

CMOS for NMOS

by dave＠661.org

I'm pondering upgrading the CPU of a Pacccomm Tiny-2 Mk2 radio packet controller from a 6Mhz Z80 processor and SIO to 10Mhz parts. My problem is that the parts already in it appear to be NMOS. The family is still being made by Zilog, but for 10Mhz parts, CMOS is all they have. Can I just drop in CMOS, change out the crystal/oscillator and have things work as expected? Here's what are fitted to my TNC. Z84C00BB6 Z80BCPU 29125 Z8440BB1 Z80BSIO-O 29014 -- David Griffith dave at 661.org A: Because it fouls the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?

8 years, 4 months

Speed now & then

by c.murray.mccullough＠gmail.com

I?m not trying to date myself but have things truly sped up? In 1970?s Toronto I had a classic computer, sorry can?t recall what it was, connected to a 300 baud modem; by early 80?s had ?zoomed? to 9600 baud. Oh, my! [ A typical file size to download was probably 1 MB. ] Speed indeed! Yet now, here in rural Ontario, Canada, I?m at 5MB/s. Yikes! (Friends in Toronto are at 50MB/s.) We can do the math but content, particularly multimedia, has swollen in size.[ 1 GB is not unheard of. ] Were classic computing days that much slower? Happy computing. Murray -:) <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_cam…> Virus-free. www.avg.com <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_cam…> <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>

8 years, 4 months

To be scrapped in as little as 2 months

by jnc＠mercury.lcs.mit.edu

> From: Ed Sharpe > wish this was closer! Two words: "ROAD TRIP!!!" :-) (I did Virginia<->Wisconsin to save an -11/84... That was a hike!) Noel

8 years, 4 months

Tektronix 405 diagnostic Rom Pack copies available.

by jos.dreesen＠greenmail.ch

As mentioned before , i made a functional copy of the Tektronix 4052 Diagnostic Rom Pack . PCB's are back, units do work ( minus a small issue with the wrong orientation of the LED's ) Go to ftp://ftp.dreesen.ch/TEK_DRP ?and find my dokumentation DiagPack_Manual.pdf , decide if this is what you want, and order ( or not...) Also please read the original TEK doku TEK4052_4054_Diagnostic_Rom_Pack.pdf in order to understand what this unit can and cannot do. Prices, in short : PCB only 20 Euro/25 USD, populated and tested 60/75, add 20/25 for a fitting 3D printed casing. And do feel free to construct your own with the data from my FTP site. This pack should also work on the 4054, but since I do not have such a machine this feature is untested. Jos, now wondering whether I will ever sell the 20 PCB's I have...

8 years, 4 months

Stuff in my desk, utterly forgotten

by cclist＠sydex.com

I've found a couple more documents lurking in my desk that I've completely forgotten about. The first is a UniSoft Uniplus+ System V User Guide. Circa 1984. Basically a SysV Unix user's guide. I have no idea what platform this was intended for, as it's pretty much a generic document. A couple hundred pages. The second is a sales kit for CMS Enhancements. Nice slick brochures for PC, Apple and Sun. No technical documentation, per se--just something you'd pass out at a trade show (which is probably where I got it). Circa 1990. Includes the brochure for the CMS 386 PC. It'll all fit in a USPS PM envelope, I'm guessing. I want postage only. --Chuck

8 years, 4 months

DEC DS-32 and IBM Series 1

by djg＠pdp8online.com

Someone in Barnet, North London, post code is EN5 1RJ has two DEC DS-32 drives and IBM Series/1 computer and some drives. Last wording was Sale or swap. You may contact them at stuff at pdp8online.com.

8 years, 4 months

Speed now & then (Space and time?)

by bygg＠cafax.se

Ethan Dicks <ethan.dicks at gmail.com> wrote: > There are times when video instruction makes sense - describing, for > example, a chemical reaction that produces major visible change in a > few moments is better to watch than to try to describe. The vast > majority of stuff? Teaching programming? I don't want to watch 2 > hours of someone editing text... give me words and perhaps a > screenshot or two if there's something too complicated to simply write > about. How about language courses on audio cassettes? For instance a course on Macro-10, over several of them? Yes, it does (or at least did) exist. > -ethan --Johnny

8 years, 4 months

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