test-drb June 2013

test-drb@ccmp.vtda.org

216 participants
271 discussions

by hilpert＠cs.ubc.ca

Can anyone identify the equipment this board came from, or the company going from the style of part number? It's a baud rate generator, or presumably is, given the "TTY" on the solder side. ~ 10.7 MHz clock, 12-14 stage divider, late 1970's. http://www3.telus.net/~bhilpert/tmp/brg/ Seemingly odd choice of clock frequency for a baud rate generator, results in some error at the higher standard rates.

11 years, 6 months

Now might be a good time to liquidate those early Apple IIs you have lying around...

by derschjo＠gmail.com

eBay item: 181152615614 $23,100. - Josh

11 years, 6 months

FORTH fans rejoice

by silent700＠gmail.com

New scans have been posted at our document archive of the Interactive Computer Systems OmniFORTH manuals, as well as those for its predecessor, fig-FORTH: http://chiclassiccomp.org/docs/index.php?dir=%2Fcomputing/InteractiveComput… http://chiclassiccomp.org/docs/index.php?dir=%2Fcomputing/ForthInterestGroup Each time I do a scan, the original document is either stored, if I find it to be of value, given away, if someone else does, or recycled, if no one appears to mind. This one rides the edge of the first two categories, so if anyone would like the original, FFS, let me know. There is no content to be gained by having the original vs. the scan, yet someone may still want the tactile (and nasal!) experience of 33 year old paper. Shipping will be from the 60070 ZIP. -jht -- silent700.blogspot.com Retrocomputing and collecting in the Chicago area: http://chiclassiccomp.org

11 years, 6 months

TRS-80 Model II in Portland Area

by earl＠retrobits.com

On Mon, Jun 10, 2013 at 8:24 PM, Zane H. Healy <healyzh at aracnet.com> wrote: > It looks like I've found a home for it and some other stuff. > > Zane > > Great! Hate to see vintage gear wind up at the shredders. Thanks, - Earl

11 years, 6 months

Even more Shameless Classic computer trafficking,

by ittybittybytes＠gmail.com

I meant to post this last night before the auctions went live, but I was going to add some stuff and waited, forgetting I already had stuff going live at 7pm. Only the Vax4000/300 is gone, but the rest here: http://www.ebay.com/sch/tcp1022/m.html?item=251286765330&ssPageName=STRK%3A… which include an Aviion m88k, Unibus expansion cabinets and other goodies. at 7pm today 6/8 the 11/23+ and some other stuff goes up. All at buy it now or best offer, for your instant gratification If your a list member and making an offer, tell me just as you would when you buy anything. I always throw in some good free stuff Cheers -tom P.

11 years, 6 months

TRS-80 Model II in Portland Area

by earl＠retrobits.com

Hi Zane, I'd hate to see this go in the dumpster. If nothing else, there are parts inside (e.g., the Z80 and support chips, the Shugart 8" drive) that could be useful. If you don't get any takers, please let me know... - Earl On Sun, Jun 9, 2013 at 8:52 AM, Zane H. Healy <healyzh at aracnet.com> wrote: > Local Pickup Only > > It's missing the keyboard, and is untested. There are a bunch of 8" > floppies, but no manuals. > > It needs a home ASAP, I don't want to see it dumped, but I also do not > have room to bring it home. > > Zane > > > -- > | Zane H. Healy | UNIX Systems Administrator | > | healyzh at aracnet.com | OpenVMS Enthusiast | > | | Photographer | > +-----------------------------**-----+------------------------**----+ > | My flickr Photostream | > | http://www.flickr.com/photos/**33848088 at N03/<http://www.flickr.com/photos/33848088 at N03/> | > | My Photography Website | > | http://www.zanesphotography.**com<http://www.zanesphotography.com> | > >

11 years, 6 months

S100, but not S100

by dgriffi＠cs.csubak.edu

I have some boards with gold fingers that match S100, but are obviously not. For one, they're dated to 1973 and from Intel. Also, they're two inches narrower and 1.5 inches taller than an S100 board. What are they? -- David Griffith dgriffi at cs.csubak.edu 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?

11 years, 6 months

Cray 1 simulator

by stephane.tsacas＠gmail.com

Originally shared by Bill Bradford on another list : http://modularcircuits.**tantosonline.com/blog/**articles/the-cray-files/<http://modularcircuits.tantosonline.com/blog/articles/the-cray-files/> A short serie of very interesting articles about the difficulties recovering Cray 1 software to build an emulator. The emulator is available for download. I hope some members of this list can help the guy. -- Stephane FreeDonne <http://www.freedonne.org> Join FreeDonne - Rejoignez FreeDonne.

11 years, 6 months

[cctalk] Old UNIX Systems

by seefriek＠gmail.com

We're doing NetBSD and 80386 again? Evil cabal responsible for crimes against computing again? Jason Thorpe and others were talking about fundamental problems continuing 80386 support, what, almost a decade ago (no...the 80386 is not simply an older 80486)? They announced the intention to drop support in 2007, and dropped it in 2009. It was not a secret and it wasn't a smug "buy bigger/faster/stronger" dictate; they still support VAX and a pack of ridiculously obscure mc68k boxes, after all. 80386 support died because no one stepped up to support it, even though proposals were made as to how to do that. Based on that, the core developers made a decision about how to allocate scarce resources, and in 4 years the world has somehow failed to end. If a single person had stepped forward to take on 80386 as a distinct port, it could still be in there. It not like ns32k or mc88k, where getting things going means recreating GCC support, figuring how to jump to ELF, etc. And yet, since 2009, no one has picked up 80386, which pretty much tells you how really important it is in the grand scheme of things. KJ

11 years, 6 months

SD: Under RT-11

by jhfinedp3k＠compsys.to

Does anyone else who is reading this still use the DEC SD: (Symbolic Debugger) under RT-11? I have been spending some time, of late, becoming more familiar with this software and I have noticed a few areas which could use some improvements. This post is in respect of version Y01.16 which runs under the most recent versions of RT-11, and in particular the SDHX.SYS variant which runs under a Mapped RT-11 Monitor. The two major aspects that could use some improvement are to reduce the Low Memory required from 1124 words to perhaps half that requirement. The second is a lack of a history capability. Doing so will certainly require the use of additional Extended Memory beyond the 8192 bytes already in use and that is probably the major obstacle to overcome. One other aspect that might possibly be changed is the fact that the SDHX.SYS variant freezes RT-11 when the user is at the DBG> prompt. While that is a major problem, I don't know if there is a solution which would allow the user to unfreeze the system and allow other jobs to execute. As for the Symbolic Debugger capabilities that are available under RSX-11, in particular with respect to programs with overlays which the DEC Symbolic Debugger under RSX-11 is reported to posses - even before the overlay is loaded, that may also be possible if there is sufficient need under RT-11. I would appreciate a response from anyone who still uses SD: under RT-11, especially under a Mapped RT-11 Monitor and most definitely from anyone who uses the version Y01.16 which DEC limits to certain versions of RT-11, but which is capable of supporting debugging under versions of RT-11 at least as far back as V05.03 of RT-11. Jerome Fine

11 years, 6 months

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test-drb June 2013