test-drb November 2001

test-drb@ccmp.vtda.org

247 participants
886 discussions

Sun / CalComp Printer networking problems (was: Thick Ethernet/Sun networking problems)

by pete＠dunnington.u-net.com

On Nov 7, 7:54, Arno Kletzander wrote: > According to the Ethernet Hardware Manual (we finally got a copy from > somebody who also still uses such stuff...YEAH!), the LINK LED will only illuminate > if there is an active connection via the 10baseT network interface, NOT when > using the AUI port. BTW, this is the same way my PC's network interface uses > it. > > Yesterday, I went and borrowed a cross-over TP cable from the teacher who > does all the network stuff at our school. Connected it between my PC and the > printer, let 'em power up...and pinging and telnetting both worked! Ah. It's quite likely there are some links on the card which have to be set one way to use the 10baseT port, and the other way to use the transceiver... Look for a set of 6 links. -- Pete Peter Turnbull Network Manager University of York

22 years, 9 months

Available For Trade - Tandon 8" Floppy Drive - Model TM848E

by dec.parts＠verizon.net

Have available ... Tandon 8" Floppy Drive - Model TM848E http://members.bellatlantic.net/~vze2mj6m/tandon/1s.jpg http://members.bellatlantic.net/~vze2mj6m/tandon/2s.jpg We removed this from the machine it was in, so we know it has never been handled roughly. We haven't tested it though, just hadn't gotten around to it. Since we know most of you hobbyist/collector types don't want to pay much for anything, and since http://www.cadigital.com/flopdriv.htm prices them at $149.00 and up, if anybody wants it, suggest something of value you'd have to trade for it.

22 years, 9 months

VAXserver question

by cmcmanis＠mcmanis.com

You have a cartridge in the drive? The LED on the front shows access? The bus is correctly terminated? These things cause problems. A third issue is sometimes the holder for the CD "pinches" it and it can't spin, make sure its free to turn. Show DEV shows the drive as an RRD42? Its not conflicting in address with another device? --Chuck At 12:26 AM 11/6/01 -0500, One Without Reason wrote: >Hi. I am trying to get four VAXserver 3100's working. However, when I >try to boot from my RRD42 (it is in 512 mode), it gives me an error >DEVOFFLINE. I have tried more than one RRD42 with more than one >machine. I need help ASAP. Thanks. > >Peace... Sridhar

22 years, 9 months

Apple Floppy Drives (was: More Apple Pimpers)

by ajp166＠bellatlantic.net

RE: apple II I've worked around and with them. Never serious 6502 programming but used apps on them like UCSD pascal. The disks worked ok compared to my NS* {NS* disk controllers are reliable} and yes they were sensitive only to the extent that an unshielded 34pins cable didn't like to be near some monitors. The tubes in metal cases were ok but some of the plastic cased ones tended to radiate noise that the cables seemed to find. It's beauty was the basic logic was simple as were the drive hardware and that helped it work better than most. Some of the better floppy systems of the time where neither simple nor cheap. RE: trs80 >TRS-80 drives? I have a beautiful Model 1 setup. But talk about trashing disks! And slow! Slow was running the z80 at 1.7mhznot the disks fault though the step rates were really slow even for sa400s!.. See above and yep the tube was plastic cased and worse hot chassis! Grounding was poor on the drives, their internal regulators were at limits current wise plus the data separator in the EI was very poor. Not to worry though, as most tended to crash from the sloppy and noisy console to EI interface. >What about the single board CP/M machines? I have them too. The disk drives on the >Osborne were, based on extensive experience, the least reliable ever made. If one >drive could read what another had written, it was a gift from God. And with the double density upgrade, it was much worse. That was the drives and I always thought the SA400 series to be really poor even though my NS* had three of them. TM100s were not much better! Also there was some really bad media based on some of the media failures I've had over the years. The SA400 was the slowest, most unreliable floppy of the time, it made everything it was attached to look bad. The worst part is many vendors of early 5.25 drives had their own version of worst at one point or another. >And even later, how about the "ingenious" DEC double disk-munching drives, that couldn't >format disks? The drives could but the controller didn't, therein lies the difference. The RX02 was old when the 1771 FDC was young so comments based on post 1980 tech are not reflective of then(pre 1980s). I'd call the RX01/2 the 1970s version of an IDE floppy as it was smart and executed commands that were higher level than even the 1771, mostly due to the microcoded controller. The RX01/2 were reliable enough though the RX50 was pretty poor. In my book after the RX02 the next useable floppy from DEC was the RX33 (teac FD-55GFR). The commie controllers were a good idea that suffered from poor implementation. they were fast in themselves but the serial link was limited. Allison

22 years, 9 months

Goodwill Computer Store Austin, TX

by jss＠subatomix.com

I met up with Bill Bradford today in Austin. One of our activities was to visit the Goodwill computer store there (you know, the one with the museum in the back). Well, it turns out that the general public is no longer allowed to see the museum pieces (either that or the museum pieces are no longer there), and it's all due to some freaks who broke in and stole -- guess what -- A FREAKING *NINTENDO* *SUPER* *FAMICOM*! -- Jeffrey S. Sharp jss(a)subatomix.com

22 years, 9 months

ISIS & CP/M for MDS 225 series3

by ajp166＠bellatlantic.net

Standard CP/M on 8" is the right bios but.... The right media as the MDS controller was SD/D2... single density(normal ibm 128 byte sectors) and D2 was double density by m2fm and incompatable with everything except Intel. So you need another working intel box user. Allison -----Original Message----- From: Doug Taylor <techno(a)dsuper.net> To: classiccmp(a)classiccmp.org <classiccmp(a)classiccmp.org> Date: Tuesday, November 06, 2001 11:42 AM Subject: ISIS & CP/M for MDS 225 series3 >Hello folks... >I've been trying to get an operating system for my MDS 225 series 3 on 8" >disks. >I've read that it uses ISIS (Intel System Implementation Supervisor) >and that it can also run CP/M (GENERIC) according to Joe's web site >http://www.intellistar.net/~rigdonj/mds.htm >However, I've tried to email joe at >rigdonj(a)intellistar.net >But the mail bounces as undelivered. >Any ideas? > > >Doug Taylor (Techno) >Sysop of the "Dead On Arrival BBS" >Telnet://doabbs.dynip.com >http://www-mtl.look.ca/~techno >techno(a)dsuper.net > >

22 years, 9 months

About those PDP-11 /83 's

by Thomas.J.Lynch＠usa.xerox.com

Last week I wrote that I had a coule PDP-11 /83 's some people respoded with interests of various sorts Here's what I can see that is inside the boxes: system ID FRONT SIDE BACK SIDE 10597 RA-82 in drawer H3100 unit with ~ 4 ft tall in the six bays-three are empty 4 ethernet-like connectors& TK 70 tape drive 8 DB-25 connectors + others module with 4 HDD-type buttons H7660C (PSU?) module with 2 HDD-type buttons: 874-D 10595 RA-82 in drawer H3100 unit with ~4 ft tall in the six bays-three are empty 4 ethernet-like connectors& TK 70 tape drive 8 DB-25 connectors + others module with 4 HDD-type buttons H7660C (PSU?) module with 2 HDD-type buttons: 874-D 10596 RA-82 in drawer H3100 unit with ~4 ft tall in the six bays-three are empty 4 ethernet-like connectors& TK 70 tape drive 8 DB-25 connectors + others module with 4 HDD-type buttons H7660C (PSU?) module with 2 HDD-type buttons: 874-D 80-22593-01 module xxxxx RA-81 RA-60 AA ~ 4 ft tall RA-82 RA-60 CA RA-60 H7660A (PSU?) H7660C (PSU?) 874-D SA482 #1 3each HDD-like modules 3each H7660C (PSU?) modules over with lighted push buttons; 881A module 5 ft. tall 0ne empty bay Unidentifiable module SA482 #2 3each HDD-like modules 3each H7660C (PSU?) modules over with lighted push buttons; 881A module 5 ft. tall 0ne empty bay Unidentifiable module Any information as to what these are, etc. would be appreciated. We'll be moving them today with a bunch of other stuff [deadlines, deadlines, you know], and probably not find them again until week end. I'm hoping we can move them out next week. Thanks for your interest. tom tomsir(a)rochester.rr.com

22 years, 9 months

Toronto Area Collectors?

by KenzieM＠sympatico.ca

Seems a few out of town collectors will be in Toronto this weekend. Any interest in a mini-swap meet? Any good sources for old machines? Collector of Vintage Computers (www.ncf.ca/~ba600)

22 years, 9 months

classiccmp-digest V1 #768

by clandrum＠monumental.com

Megan; Please - oh please - round up all your female friends and get them on this list. One of the best firmware programmers I ever knew was a lady named Pat Daniels that worked with me in the late 70's and early 80's. We developed Z80 firmware for custom multiubus boards and were often forced to debug the hardware for the designers using Biomation and HP logic analyzers. I know she would claim that was the most fun she ever had hacking code. Craig Landrum > Date: Sun, 4 Nov 2001 23:37:11 -0500 (EST) > From: Megan <mbg(a)world.std.com> > Subject: Re: value of classic DEC machines? > > >>Speaking of you guys, just curious: is this an all-male hobby? No > >>members of the fairer sex here? > > >There's Allison for one. I don't think we raise our little girls to > > I know I haven't posted for awhile... but I didn't think I'd be > forgotten that quickly... :-) > > Megan Gentry > Former RT-11 Developer > > +--------------------------------+-------------------------------------+ > | Megan Gentry, EMT/B, PP-ASEL | Internet (work): gentry!zk3.dec.com | > | Unix Support Engineering Group | (home): mbg!world.std.com | > | Compaq Computer Corporation | addresses need '@' in place of '!' | > | 110 Spitbrook Rd. ZK03-2/T43 | URL: http://world.std.com/~mbg/ | > | Nashua, NH 03062 | "pdp-11 programmer - some assembler | > | (603) 884 1055 | required." - mbg KB1FCA | > +--------------------------------+-------------------------------------+ >

22 years, 9 months

classiccmp-digest V1 #768

by clandrum＠monumental.com

Dick; Without getting too far into religious issues, its been my experience that Macs have consistently supplied a good computing environment for me since 1984. My company uses both Macs and the latest Dell and Compaq PCs, and I lost count of the times our Wintel people have replaced hard disks and reloaded Windows. I have yet to see any of our Macs fail, and we have owned one of virtually every model. I own a G4 with a Cinema display that I wouldn't trade for any Wintel box made. What has impressed me is the level of integration between hardware and software - natural since they own them both and can ensure a high level of compatibility. This lends itself quite well to adding new peripherals and other devices and have them working quickly and without a hitch. I recognize that Apple lost the OS wars. The reasons are numerous, but one of the main ones stems from the corporate mentality of the early 80's when you could never get fired for buying IBM. Hence, truckloads of IBM PC's with Lotus 123 appeared on managers desks. Marketing and sales liked Apple because their desktop publishing capabilities were far and away better than Windows toward the late 80's, but these people were in the minority, and as Windows came along, there became less and less reason to go Apple, from management's point of view. And once Apple was forced from corporate desktops, they were relegated to a niche market, where they will remain. I am productive on my Mac. You are productive on your PC. I'm sure both are terrific matches for their respective users. And as all of us on this list can attest, there have been numerous computers and OS's that, while they may be terrific machines, fell by the wayside for one reason or the other. And you never know. Linux may just be eating Microsoft's lunch by 2005 and those Wintel boxes may start to look nostalgic :-) Craig Landrum Chief Technical Officer Mindwrap, Inc > Date: Sun, 4 Nov 2001 20:07:04 -0700 > From: "Richard Erlacher" <edick(a)idcomm.com> > Subject: Re: hard-sector 5 1/4 disk > > Well, I'd have to say that, since the performance and reliability haven't > improved since back in the '80's, the Apple was not designed for serious use, > but rather for use by those who didn't value and trust computers enough to make > the investment in one that warranted the value and trust. Oddly enough, it was > less costly to use a much more reliable system with a larger installed software > based, targeted at small business, yet, thanks to the Apple myths, people paid > 15%-25% more with the idea that it would be easier to use, which, sadly, it > wasn't. > > More below. > > Dick >

22 years, 9 months

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test-drb November 2001