test-drb

test-drb@ccmp.vtda.org

101090 discussions

by barythrin＠gmail.com

Anyone know if mcm electronics changes the shipping charge before you pay or are they all flat rate/minimum of 9.49 to ship? Between them charging extra for shipping and adafruit charging extra for the device but admitting shipping is only $4 it sorta comes out the same. I just don't know who I'd offer the mark up (if I have to pay one) to.

13 years, 1 month

OT: WWVB clock with silent movement

by tshoppa＠wmata.com

Various "time-nuts" start off with GPS disciplined rubidium clocks, or radio clocks like WWVB, and derive a phase-locked 60Hz to run the old-fashioned 120VAC continuous-hand-movement analog and flip clocks (in my circle known as "NUMECHRON"s although I think the most applicable trademark was TYMETER). One example is: http://leapsecond.com/pages/atomic-nixie/ Obviously an HP 3325B is overkill as a 60Hz synthesizer but you get the idea. If you have WWVB carrier, 60Hz is just dividing by 1000, no funny numerator/denominator stuff.

13 years, 1 month

Tek 4317

by seefriek＠gmail.com

On Tue, Feb 19, 2013 at 1:00 PM, Sander Reiche <reiche at ls-al.eu> wrote: > > I was wondering about the Tektronix 4317 machine. The only information I'm > able to find online is the catalog introducing it: > http://bitsavers.informatik.uni-stuttgart.de/pdf/tektronix/\ > 44xx/4300_Series_1988_Catalog.pdf > The rest inside that bitsavers PDF (or Bits corner for that matter) don't > even > mention the 4300 series. > Wow...what a great machine. I spent some time with Smalltalk on one in the before-times. Really advanced, well made little box for the time (and expensive). > I gather it should run UTek 3.1, but where could I try to find the media > (which > is 5.25" floppy I think) for that O/S? > I'm afraid I don't know what the last UTek was for that box, but 3.1 is a reasonable guess. UTek did come on QIC tapes (which is what we used); I never loaded it from floppies or saw a floppy distro. That said, most of my UTek stick time was on later versions and later hardware (XD88 workstations). I can't imagine where one would find the install media these days other than lucking onto someone with a similar machine. I vaguely recall that all 4xxx machines could be loaded from the same distro media, but I can't confirm that. That said, if you do find someone with a working system, you could clone the drives. They're SCSI, and 'dd' just fine. > Does anyone know of the connections which can be made on such a machine? > Not sure exactly what you mean by "connections", but I'm pretty sure the one we had had ethernet, serial, PIO, and SCSI. And the video output of course. Good luck with it. I'd love to have one running Smalltalk and/or Lisp. KJ

13 years, 1 month

PANASONIC HHC RL-H1800 TV DISPLAY ADAPTOR

by n8uhn＠yahoo.com

RE:PANASONIC HHC RL-H1800 TV DISPLAY ADAPTOR Thankx all for the info and help with my HHC questions. i did win the ge programmer with working HHC on ebay for around 50 dollars. so now i have an hhc with working display and some GE spares. Tony my answers to your post is below: >Waht exactly is the fault with the existing one? Missing columns? Missing >rows (over part of the display?) Odd dots missing? Missing row's on the last third of the display almost to the end of te display. >The only HHC peripheral I ahve seen is the printer/cassette interface and >tht contains a ROM and a custom I/O chip. I would be very suprisied if >the display interface was all standard ICs. there were a few hhc peripheral's besides the tv adaptor and printer. according to my manual that came with the hhc used in the ge programmer there was: the I/O adaptor for six peripheral's, two printer's with cassette i/o on them , an acoustic coupler modem and a ram module. Ge used two modules with the hhc/printer/io adaptor setup: one module held eproms for software that programed the ge two way radios and the other module interfaced the radio's to the hcc via cable or ZIF sockets for bare eeproms. google "ge suitcase programmer" for info on the GE/HHC setup. there was one other HHC set up that used only an HHC and printer for insurance companies - the printer attached directly to the HHC and the custom insurance software was on a "capsule" (rom chip) that went in the back of the HHC. Bill

13 years, 1 month

VMS 6 docs

by reiche＠ls-al.eu

Hi all, The orange binders are spoken for. But the large paperback books are still available. Rob Jarratt has expressed his interest for the VMS 4 documentation, but as said, that's gone. Anyone interested or can I bin it? http://ls-al.eu/~reiche/log/index.html?id=2013020601 re, reiche

13 years, 1 month

Raspberry Pi

by barythrin＠gmail.com

That's where ya pick the right project for you (nv8em not a raspberry) :-) ------Original Message------ From: Jules Richardson Sender: cctalk-bounces at classiccmp.org To: cctalk at classiccmp.org ReplyTo: General Discussion: On-Topic and Off-Topic Posts Subject: Re: Raspberry Pi Sent: Feb 26, 2013 8:36 AM On 02/25/2013 04:45 PM, Tony Duell wrote: > There are, IMHO, 3 thigns wrong with the Rpi. The hardwre, the software, > adn the docuemtnion. I think my main problem with it is that I'm tainted by nostalgia, and what I really wish it was is a backplane system with separate cards for ROM, RAM, CPU, I/O, video etc. :-) Much more fun to mess around with, put into a cool-looking chassis, use to teach kids about how a computer works etc. cheers Jules

13 years, 1 month

Commodore 1084s

by rampaginggreenhulk＠yahoo.com

Compatible with IBM CGA modes? Same pinout? As to a related topic, the C128 outputs RGBI like a CGA card?

13 years, 1 month

old 9-pin monitors

by rampaginggreenhulk＠yahoo.com

------------------------------ On Mon, Feb 25, 2013 2:19 PM PST Richard wrote: >EGA and CGA have compatible signalling, but MDA is very different >(TTL vs. analog signalling). None of those monitors are analog. Internally EGA monitors mix it up differently, but all the above monitors take digital inputs. The EGA just has more. A analog monitor is RGB, CGA is RGBI, EGA is RGBI + 2. >Presumably the color ones she mentions are either CGA or EGA and the >mono ones are MDA.> There were others...

13 years, 1 month

Commodore Amiga Catweasel Mk2 available for sell

by gerardcjat＠free.fr

in GERMANY. International shipping available ( 12 Euros / $ 15 ?? ) Not affiliated in any way with the seller. Just for information of this list members ;-) http://cgi.ebay.fr/ws/eBayISAPI.dll?ViewItem&item=330878622028&ssPageName=A… Please, let me know if this kind of "information" is helpfull for the list, or NOT. and if I should continue to post such "findings" ??

13 years, 1 month

Strobe plotter documentation or information?

by Carl.Claunch＠gartner.com

Date: Mon, 25 Feb 2013 11:06:53 +0000 From: Dave <dave.g4ugm at gmail.com<mailto:dave.g4ugm at gmail.com>> To: General Discussion: On-Topic and Off-Topic Posts <cctalk at classiccmp.org<mailto:cctalk at classiccmp.org>> Subject: Re: Strobe plotter documentation or information? Message-ID: <512B45CD.8090903 at gmail.com<mailto:512B45CD.8090903 at gmail.com>> Content-Type: text/plain; charset=ISO-8859-1; format=flowed On 25/02/2013 11:06, Dave wrote: > Carl >Poking around on the net, in particular here:- > >http://www.atarimagazines.com/creative/v10n2/212_Print_about_printers.php > >and here > >http://www.cpm.z80.de/roche/DRGDOC.TXT > >and here > >http://bitsavers.informatik.uni-stuttgart.de/pdf/convergent/manuals_b20/118… >(Page 135 onwards) > >implies that the interface is RS232 and that it kind of understands a >subset of HPGL.... > > Hi Dave Yes, those links were the three mentions that I had previously found (plus links to some ads in archived magazines). However, since the interface board is a S-100 bus card labeled as "Strobe 100 parallel interface" I believe the RS232 is a different option that this does not have, or the link from the plotter enclosure to the card itself is using RS232. The Burroughs document defines their graphics subroutine library and mentions that these can be used (unsupported) on the Strobe plotter, but not enough to write anything that will talk to the box. Further, they mention in appx B the configuration file that defines the format for talking to each peripheral that there is a format Strobe which is different from the HP plotter formats. The review link mentions commands, which do not sound like HPGL to me, but with only these three documents to go on, it is a grain of data and a pound of interpolation to decide what the protocol might look like. The DR Graph document mentions a unique driver for the plotter, in a long list of many different monitors, plotters and printers. All of these documents suggest to me there is a unique programmatic interface, thus I was hoping for a one in a million chance that someone has the manual or enough documented about this plotter to allow me to send it valid sequences. All mention RS232 so that may at least resolve the question of communications protocol - well documented across the three links you listed. What to send over that link is the question now. Reverse engineering may be quite challenging, but I might be able to replace the controller inside the plotter with my own controller, driving the servos and motor myself, thus free to create my own programming interface. Thank you for looking and posting the citations. Carl ________________________________ This e-mail message, including any attachments, is for the sole use of the person to whom it has been sent, and may contain information that is confidential or legally protected. If you are not the intended recipient or have received this message in error, you are not authorized to copy, distribute, or otherwise use this message or its attachments. Please notify the sender immediately by return e-mail and permanently delete this message and any attachments. Gartner makes no warranty that this e-mail is error or virus free.

13 years, 1 month

Alphaserver 1200 dual CPU to part with

by p.gebhardt＠ymail.com

Hi folks, having several Alphaserver 1200's in my collection, I thought I could part with one so that it find a good new home and make somebody happy. Unit is tested and located in Germany near Cologne, local pick-up preferred. Dual CPU 533MHz, 1GB RAM, 3x 9GB and 1x4GB disks, graphics and network card, 1x CD-ROM drive. Please make offers. Kind regards, Pierre ------------------------------ console output: starting console on CPU 0 sizing memory ? 0??? 256 MB DIMM ? 1??? 256 MB DIMM ? 2??? 256 MB DIMM ? 3??? 256 MB DIMM starting console on CPU 1 probing IOD1 hose 1 ? bus 0 slot 1 - NCR 53C810 ? bus 0 slot 2 - QLogic ISP1020 probing IOD0 hose 0 ? bus 0 slot 1 - PCEB ??? probing EISA Bridge, bus 1 ? bus 0 slot 2 - S3 Trio64/Trio32 ? bus 0 slot 3 - DECchip 21140-AA ** keyboard error ** configuring I/O adapters... ? ncr0, hose 1, bus 0, slot 1 ? isp0, hose 1, bus 0, slot 2 ? floppy0, hose 0, bus 1, slot 0 ? tulip0, hose 0, bus 0, slot 3 System temperature is 9 degrees C AlphaServer 1200 Console V5.3-1, 27-OCT-1998 11:16:38 ? CPU 0 booting ? (boot dkb0.0.0.2.1 -flags A) block 0 of dkb0.0.0.2.1 is a valid boot block reading 32 blocks from dkb0.0.0.2.1 bootstrap code read in Building FRU table base = 200000, image_start = 0, image_bytes = 4000 initializing HWRPB at 2000 initializing page table at 1f2000 initializing machine state setting affinity to the primary CPU jumping to bootstrap code ? halted CPU 0 ? halt code = 5 HALT instruction executed PC = 20000000 boot failure P00>>>sho config ?????????????????????????? Digital Equipment Corporation ???????????????????????????????? AlphaServer 1200 ? ?Console V5.3-1? OpenVMS PALcode V1.19-18, Digital UNIX PALcode V1.21-26 ? ?Module????????????????????????? Type???? Rev??? Name ?System Motherboard????????????? 0??????? 0000?? mthrbrd0 ?Memory? 256 MB DIMM???????????? 0??????? 0000?? mem0 ?Memory? 256 MB DIMM???????????? 0??????? 0000?? mem1 ?Memory? 256 MB DIMM???????????? 0????? ??0000?? mem2 ?Memory? 256 MB DIMM???????????? 0??????? 0000?? mem3 ?CPU (4MB Cache)???????????????? 3??????? 0001?? cpu0 ?CPU (4MB Cache)???????????????? 3??????? 0003?? cpu1 ?Bridge (IOD0/IOD1)????????????? 600????? 0032?? iod0/iod1 ?PCI Motherboard???? ????????????a??????? 0003?? saddle0 ? ?Bus 0? iod0 (PCI0) ?Slot?? Option Name????????????? Type???? Rev??? Name ?1????? PCEB???????????????????? 4828086? 0015?? pceb0 ?2????? S3 Trio64/Trio32???????? 88115333 0044?? vga0 ?3????? DECchip 21140-AA???????? 91011??? 0012?? tulip0 ? ?Bus 1? pceb0 (EISA Bridge connected to iod0, slot 1) ?Slot?? Option Name????????????? Type???? Rev??? Name ? ?Bus 0? iod1 (PCI1) ?Slot?? Option Name????????????? Type???? Rev??? Name ?1????? NCR 53C810?????????????? 11000??? 0002?? ncr0 ?2????? QLogic ISP1020?????????? 10201077 0005?? isp0 P00>>>sho power ? ??????????????????? Status Power Supply 0?????? good Power Supply 1?????? good System Fans????????? good CPU Fans???????????? good Temperature????????? good ? Current ambient temperature is 10 degrees C System shutdown temperature is set to 55 degrees C ? The system was last reset via a power-on reset ? 3 Environmental events are logged in nvram Do you want to view the events? (Y/<N>) y ? Total Environmental Events: 3? (3 logged) ? 1? FEB 17 12:52? Temperature, Fans, Power Supplies Normal 2? FEB 25 18:36? Temperature, Fans, Power Supplies Normal 3? FEB 25 19:15? Temperature, Fans, Power Supplies Normal ? Do you want to clear all events from nvram? (Y/<N>) y P00>>> P00>>>sho dev polling ncr0 (NCR 53C810) slot 1, bus 0 PCI, hose 1 ?? SCSI Bus ID 7 dka500.5.0.1.1???? DKA500?????????????????? RRD46? 0557 polling isp0 (QLogic ISP1020) slot 2, bus 0 PCI, hose 1?? SCSI Bus ID 7 dkb0.0.0.2.1?????? DKB0???????????????????? RZ1CB-CA? LYJ0 dkb100.1.0.2.1???? DKB100?????????????????? RZ1DF-CB? 0372 dkb200.2.0.2.1???? DKB200?????????????????? RZ2DA-LA? N1H1 dkb300.3.0.2.1???? DKB300?????????????????? RZ1DF-CB? 0372 polling floppy0 (FLOPPY) PCEB - XBUS hose 0 dva0.0.0.1000.0??? DVA0????????????????????? RX23 polling tulip0 (DECchip 21140-AA) slot 3, bus 0 PCI, hose 0 ewa0.0.0.3.0?????? 00-00-F8-31-4E-4D??? Twisted-Pair P00>>> ? ------------------------------------------------------------------------------- Pierre's collection of classic computers : http://classic-computing.dyndns.org/

13 years, 1 month

Strobe plotter documentation or information?

by Carl.Claunch＠gartner.com

The 20 wire cable that might have been an RS232 link is definitely not - among other signs, pin 3 is ground, not receive data. The S-100 interface card has no UART or intelligence, just routes the signal lines through an 8255A to the bus. Finally, opened the plotter itself - no microcontroller/processor, no logic circuits, just transistor drivers to activate the stepper motors and solenoids, wired to the various lines of the cable. So, yes, it is a parallel interface and it appears to be completely proprietary to the Strobe plotter. No fancy protocol to speak to it, at least, just raise lines to drive the motors one way or the other in 3.6 degree rotary steps. The power supply in the plotter has a 7805 on it, so appears to be standard TTL 5V interface at first glance. Seems it will be more straightforward than I thought to put this into service. Carl ________________________________ This e-mail message, including any attachments, is for the sole use of the person to whom it has been sent, and may contain information that is confidential or legally protected. If you are not the intended recipient or have received this message in error, you are not authorized to copy, distribute, or otherwise use this message or its attachments. Please notify the sender immediately by return e-mail and permanently delete this message and any attachments. Gartner makes no warranty that this e-mail is error or virus free.

13 years, 1 month

old 9-pin monitors

by sales＠elecplus.com

If anyone is looking for old 9-pin monitors, color or mono, please let me know. _____ No virus found in this message. Checked by AVG - www.avg.com Version: 2013.0.2899 / Virus Database: 2641/6130 - Release Date: 02/25/13

13 years, 1 month

old 9-pin monitors

by rampaginggreenhulk＠yahoo.com

There are a few Princeton, Taxan and other uncommom brands I could be interesred in. CGA, MDA, and largely EGA I am not. If you have a list w/model numbers, I'll be sure and look it over. ------------------------------ On Mon, Feb 25, 2013 9:18 AM PST Cindy Croxton Electronics Plus wrote: >If anyone is looking for old 9-pin monitors, color or mono, please let me >know. > > > > _____ > >No virus found in this message. >Checked by AVG - www.avg.com >Version: 2013.0.2899 / Virus Database: 2641/6130 - Release Date: 02/25/13 >

13 years, 1 month

HP 2116C for sale

by sellam＠vintagetech.com

I am soliciting offers for a very nice condition HP 2116C with a 2748 tape reader until the end of this week. Here's a not great photo. The 2748 is on top beneath the shrinkwrap. http://vintagetech.com/photos/bigiron/HP%202116C.JPG This is in very good condition cosmetically, just a little dirty. I will get better photos after I've cleaned it up and get a hold of a key so I can open the front door. The configuration is roughly as follows: TOP SHELF: 02116-6175 - POWER FAIL 02116-63248 - MDB 02116-63212 - MAD 02116-? - "SSA" 02116-? - "XYD" 02116-63210 - INHIBIT DRIVER MIDDLE SHELF: 02116-6208 - A101 02116-6237 - A102-105 02116-6237 - A102-105 02116-6237 - A102-105 02116-6237 - A102-105 02116-6028 - A106 02116-6258 - A107 02116-6029 - A108 BOTTOM SHELF: ??? More details are in this file: http://vintagetech.com/photos/bigiron/2116C/Notes My asking price is $6,000, but I will consider any offer over $4,000 until this Friday. Please contact me directly if you have any further questions. Thanks! -- Sellam Ismail VintageTech ------------------------------------------------------------------------------ International Man of Intrigue and Danger http://www.vintagetech.com Whatsoever a man soweth, that shall he also reap...The truth is always simple.

13 years, 1 month

Floppy Days Podcast

by floppydays＠gmail.com

Hi, all retrocomputing fans! I'm starting a new podcast called Floppy Days to discuss vintage computers and calculators. I plan to cover things like: - history - specs - emulation - modern upgrades - magazines/books - assembly language tools and much, much more. I plan to cover the vintage computers and vintage programmable calculators in which I have interest, or in my collection, and would be willing to cover computers I've never seen or were not popular or available in the U.S. I would love to be able to interview experts on these systems as well, if anyone would be willing to participate. I would also like to know if anyone would be interested in being a co-host for this show. It would make it much easier to pool our knowledge and share the workload. The podcast is on iTunes, or you can download it at: floppydays.libsyn.com Thanks so much and please listen and provide feedback if you can. Randy Kindig floppydays at gmail.com voice mail 206-426-7200 Web site floppydays.libsyn.com Sent from my iPad

13 years, 1 month

Rt-11 distribution

by roe＠liveblockauctions.com

Now that Mentec is gone, does anyone know where I might find an rt-11 v5 or better distribution? I desparately need the TMSCP MU: tape device handler.

13 years, 1 month

Raspberry Pi

by wlewisiii＠gmail.com

On Mon, Feb 25, 2013 at 5:26 PM, <cctalk-request at classiccmp.org> wrote: > From: "Zane H. Healy" <healyzh at aracnet.com> > At 7:20 PM +0000 2/25/13, Liam Proven wrote: >>On 25 Feb 2013 18:26, "Zane H. Healy" <healyzh at aracnet.com> wrote: >>> >>> The talk about the Acorn and RISC OS reminds me that I've been interested >>in one of these, primarily to run RISC OS. What is the recommended >>version, price, and place to get a Raspberry Pi from? >>> >>> I assume I want a "2.0 Model B 512Mb"? I've found a seller on eBay with >>this and they include a case for $57. >> >>If you want to keep it super cheap, try to find a Linux user upgrading to >>the 512MB version. 256MB is a vast amount of RAM for Risc OS, whereas it is >>not enough for a graphical Linux desktop. You really don't need half a gig >>for Risc OS, unless of course you want to run Linux as well. > > I'd want the option of putting Linux on there. Though my current > UNIX box only has 256Mb. :-) Realistically I'll probably see about > turning it into a PDP-11 or PDP-10 after I play with RISC OS for an > hour or two. > > Zane The latter projects would be fun. I've been pondering getting one to put as small a linux distro on as possible and then getting Brad Parker's CADR emulator http://www.unlambda.com/cadr/ running on it. That would make for a screaming little LISP machine :) Getting SIMH & running 2.11BSD on it's emulated PDP-11 or VMS on the emulated VAX could be entertaining as well. William -- Live like you will never die, love like you've never been hurt, dance like no-one is watching. Alex White

13 years, 1 month

Commodore 64 question

by cctech＠beyondthepale.ie

> > I have a similar problem; I've noticed that the IRQ line is > constantly asserted, which it's not if I just pull the VIC > (of course, that could be because the boot routine is > crashing; the VIC otherwise looks like it's probably working > fine, since it emits a proper NTSC black screen with color > burst). > > Is there a relatively simple test that can be done with an > analog scope (no storage) that can determine whether the > PLA is bad? Some of the outputs, at least, seem to toggle. > I'd like to narrow it down before I put down the money for > a replacement part. > A friend of mine asked me to repair his failed Commodore 64 many years ago. He thoughtfully supplied a schematic for me to work from. As far as I recall (and nobody ever accused me of having a good memory), I wrote some code using the assembler on my BBC Micro, put it in an EPROM, swapped that for the ROM in the Commodore and identified a RAM problem by outputing status on the user port. I'm not sure I should admit to this but rather than an EPROM, I think it was actually my cheapo EPROM eliminator - a 2K static RAM equipped with two flying to a bench power supply... If I remember correctly, I replaced the suspect RAM chip and the machine worked. Regards, Peter Coghlan.

13 years, 1 month

Raspberry Pi vs competition (was Raspberry Pi)

by barythrin＠gmail.com

Been thinking about it recently also for one or two projects. Has anyone tried any of the other little usb stick microcomputers? I've seen various comments on some *really* cheap ones on amazon which seem pretty competitive other than no ethernet port but a lot of heat/overheating comments. I'm tempted for the raspberry just for a dlna server with attached (but self powered) usb drive. Others could do similar various tasks though.

13 years, 1 month

Commodore 64 question

by sales＠elecplus.com

I have been testing my C64s today, and 1 works perfectly, joysticks and game, etc. Hooked up via DIN cable to 3 RCA to Commodore color monitor, everything is fine. My questions are these: 1 of the C64 powers on, but absolutely nothing appears on the screen. 1 of the C64 has a totally different pin configuration for the monitor and disk drive, only 5 pins for the monitor. The FCC ID, model number, etc. is exactly the same as the others, but these connections are different. Any ideas? _____ No virus found in this message. Checked by AVG - www.avg.com Version: 2013.0.2899 / Virus Database: 2641/6130 - Release Date: 02/25/13

13 years, 1 month

what chip is that? IBM Displaywriter 6360 Diskette Unit

by nigel.d.williams＠gmail.com

We've had some success decoding the various LSI chips found within the IBM Displaywriter System, in this case the external 8-inch floppy drive subsystem (IBM 6360), but one last chip has stumped us, or more accurately stumped our Estonian colleague who was familiar with the IBM to Intel part number mapping, see here: http://www.cpu-world.com/forum/viewtopic.php?p=164045#164045 Anyone with knowledge of how to implement the NEC D765D floppy disk controller in a detached setup might be able to make a good guess as to the function of the remaining 40-pin DIP IC (labelled 4430030) in the picture? http://i.imgur.com/VtMxSqj.jpg is it another peripheral chip or perhaps a CPU? I'm guessing the former since I don't see anything that might hold ROM code for a CPU. The Intel 4178628 to the right is an Intel 8255A-5 (Programmable Peripheral Interface (PPI)).

13 years, 1 month

Acorn Archimedes

by rampaginggreenhulk＠yahoo.com

Mine has the 4Mb RAM upgrade, 10BaseT network adaptor, and the standard 80Mb Conner IDE and 3.5 floppy. > > Nicely equipped. When you say pc gear, do you IBM compatible or incompatible? Do you have a Nimbus yet? If no, Why not?

13 years, 1 month

Acorn Archimedes

by rampaginggreenhulk＠yahoo.com

My offlist question to Tony was does he own an AA, and if not why not? For the rest of you Britishers,do you own one, and if not why not? Do you have a problem withit?

13 years, 1 month

Vector Graphic MZB-5025

by dm561＠torfree.net

----- Original Message ----- Date: Mon, 25 Feb 2013 01:44:34 -0800 (PST) From: William Maddox <wmaddox at pacbell.net> I recently bought a Vector Graphic MZB-5025 and its matching display and keyboard from a seller on eBay: http://www.ebay.com/itm/Vector-Graphics-MZB-5025-Computer-Z-80-CPU-64K-RAM-… http://www.ebay.com/itm/Vector-Graphics-MT-Terminal-Mindless-Terminal-and-K… The keyboard and display are packaged like a terminal, with styling nearly identical to the SOROC IQ-120, but the video generation is actually performed on an S-100 card in the main chassis. The seller did not pack the terminal properly at all, and the fragile structural foam enclosure was shattered in transit: ... --Bill ------ Reply: I believe someone on the Vintage Computer Forum has a Mindless Terminal that he doesn't know what to do with (he thought it was a 'normal' RS-232 terminal); maybe he'd like to see it go to an appreciative home: http://www.vintage-computer.com/vcforum/showthread.php?35650-Terminal-hook-… Failing that, you can use an ordinary RS-232 terminal, although you may have to burn a new monitor ROM. FYI, if you decide to keep it, there is a Vector Graphic user group and quite a bit of documentation and software available. mike

13 years, 1 month

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test-drb