test-drb April 2005

test-drb@ccmp.vtda.org

269 participants
730 discussions

XEROX 820 CP/M PRIMER INFO PROCESSOR MANUAL

by rigdonj＠cfl.rr.com

Somebody needs to buy this and scan it and post it. <http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=1247&item=5184646760 &rd=1&ssPageName=WDVW> Joe

19 years, 8 months

Navtel 9460 Protocol Analyzer info?

by ajp166＠bellatlantic.net

>Subject: Re: Navtel 9460 Protocol Analyzer info? > From: Scott Stevens <chenmel at earthlink.net> > Date: Wed, 13 Apr 2005 22:50:15 -0500 > >> >> How about one Z8530? :-) [it's a DUART, for the Zilog-impaired] >> > >The 8530 is a useful part for dedicated purposes, but isn't it severely >bandwidth cramped? I am thinking that it's the serial chip in the Nope, it's a 2mb/s part thats what the DMA is for. Even the Z80 dart a earlier part was good for more than 800kb/s. >Sparcstations, correct me if I'm wrong. A few years ago I was pondering >making a 'dialup connecting system with NAT server' out of a >SparcStation Classic (the little lunchbox type Sparc). I discovered >quickly that the serial ports on the Sparc are VERY speed constrained >because of the 8530 chip. It would have been impossible to connect my >USB Courier V-everything modem to it at, say 57,600 baud, because the >8530 just plain won't go that fast. That was implmentation not the part. Allison

19 years, 8 months

ASCII art spam

by tomj＠wps.com

Spammers have "invented" ASCII art. There's three curious things about this. One, it of course gets through text-matching filters. Two, it retroactively ruinates real ASCII art (if this catches on, seems most unlikely). Three, is there a drawing program for this? Tiny fragment follows: ., ,; .r, @nt psx tma jn ym, Bwg pgB WrW ihutqnb: ilnqcWlh Woytvu @fcajiS bu tn ves jx qo. Wka. ckt rkb bw; @qS lqc osq WsW 8kdhxu: so sr WgZ Zmfqhs@ jt .je WaW ywW:: um, ap go WoW svh,i 0oW ScokmS WvW oq so huZ rim WkW pnB 0uZ pjvf caq yxdjqotew murWhcoo abl rydgadhfq0 , ,:;i : jf , ,;i .: Ztc jpr nwrls.

19 years, 8 months

plastic "push rivets"??

by dwight.elvey＠amd.com

>From: "Adrian Graham" <witchy at binarydinosaurs.co.uk> > >> I'd recommend others check out this places' online catalog. >> As I was skimming through it, they seem to have a TON of >> various connectors, fasteners, etc. that I always thought >> would be impossible to find. They seem to have it all. >> >> And for the record, these are called "Plunger-Head Captive >> Fastners" :) > >Are these the same fasteners used on the likes of the VT1xx, Sinclair ZX80 >and Jupiter Ace? I've been occasionally looking for spares for a while >now.... > >cheers > Hi I think you are talking about the ones on page 3110. Come on, as Sellam would say, "are you web impaired". Just bring up the web page and look for your self. Geesh! Dwight

19 years, 8 months

plastic "push rivets"??

by technobug＠comcast.net

Jay asked: > I'm not sure what these things are called... but I need some. I'm > calling them plastic "push rivets", where a plastic plunger pushes > through a collar with 3 or 4 plastic legs. These legs break off. > > All the ones I've seen so far are a pretty common size. However, the > ones I need two of at the moment are slightly smaller than that. > Specifically, these are the two plastic push rivets from an HP 264X > terminal that hold the metal cover over the CRT. > > Anyone ever find a source for these? Both my local electronics places > came up empty. > > Regards, > > Jay West There are many plastics companies out there with variations of these thingies (e.g. <http://www.richco-inc.com/> - browse for rivets, screws, nuts... On the eastern side of the pond check out <http://www.heyco.co.uk/products.asp?group=BDD>). I've always had luck scrounging samples from the companies when I've need only a few of an item. CRC

19 years, 8 months

For The PDP-8 Folks

by djg＠drs-c4i.com

> Do you have any photos on your site of the innards of your AX08? I'm > curious what modules go into it. > If you click on the unit in the picture on my home page or the link at the bottom it will bring you to http://www.pdp8.net/ax08/ax08.shtml which has the modules listed and pictures. David Gesswein http://www.pdp8.net/ -- Run an old computer with blinkenlights. Have any PDP-8 stuff you're willing to part with?

19 years, 8 months

"Antique" Apple II e Computer, Manuals, Books

by jesnyder＠iastate.edu

Greetings While doing some housecleaning, I re-discovered an old Apple II e computer (with monitor, disk drive, and keyboard), and a big box of software, manuals, and books for it. I am not a home computer hobbyist (just a computer user) and have no use for it, but it would seem a shame to just throw all the stuff into the dumpster. I am not really trying to sell it or anything, just see that it gets to someone who is interested in it. How can I find if there is someone interested in it, who I could give it to? Thanks for your help, John jesnyder at iastate.edu (515)-294-4312 (university) (515)-232-8824 (home)

19 years, 8 months

AVAILABLE: IBM PC (mdl 5150) w/mon and kb, IBM PS/30 (mdl 30) w/mon and kb

by Fred.van.Kempen＠microwalt.nl

Probably don't wanna ship em, or at least not too far. --fred

19 years, 8 months

plastic "push rivets"??

by jwest＠classiccmp.org

I'm not sure what these things are called... but I need some. I'm calling them plastic "push rivets", where a plastic plunger pushes through a collar with 3 or 4 plastic legs. These legs break off. All the ones I've seen so far are a pretty common size. However, the ones I need two of at the moment are slightly smaller than that. Specifically, these are the two plastic push rivets from an HP 264X terminal that hold the metal cover over the CRT. Anyone ever find a source for these? Both my local electronics places came up empty. Regards, Jay West

19 years, 8 months

Navtel 9460 Protocol Analyzer info?

by dwight.elvey＠amd.com

>From: "Scott Stevens" <chenmel at earthlink.net> > >On Thu, 14 Apr 2005 01:02:47 +0200 >Tore S Bekkedal <toresbe at ifi.uio.no> wrote: > >> On Tue, 2005-04-12 at 20:46 -0500, Scott Stevens wrote: >> >> > > I used a PC-based software scope that worked fairly well. And >> > > yes, it was a definite must-have for any serious serial-based >> > > development work. >> > > >> > >> > It's the perfect use for an older laptop that happens to have two >> > serial ports. There is software that then turns both serial RX >> > lines into inputs so you can monitor both directions of a full >> > duplex connection. It gets you a dual-channel 'serial scope.' >> > Unfortunately, there aren't that many laptops with two serial ports, >> > certainly none being made today. >> >> False :) >> >> USB to serial and PCMCIA to serial exist, and they're cheap, >> especially the USB job. >> >> Of course, the laptop would have to be relatively modern, say a >> Pentium I. >> > >My Pentium I laptop, a very mainstream Toshiba model, doesn't have USB. >A fact that bugs me fairly often. > >And anyway, for a 'serial analyzer' which is probably going to run some >ancient DOS program if it's analyzing conventional serial traffic, some >old 486 laptop (or a 386SX) is probably up to snuff, and will cost less >than said USB to serial or PCMCIA to serial adapter. Plus it's then >'sanctioned' on-topic hardware for this list (kinda). And aren't (at >least some of us) all about practical use as well as fooling around with >old gear? I'd hate to think some of the old stuff isn't still useful in >a practical sense. (not gonna wire two 6402 UARTS to my SYM-1 and make >it a serial analyzer on principle, though) A true analyser also measure disortion and levels. Dwight

19 years, 8 months

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test-drb April 2005