test-drb December 2012

test-drb@ccmp.vtda.org

201 participants
280 discussions

by michael.99.thompson＠gmail.com

Does anyone know of a source of fans for a PDP-9? You can see one of the fans at the right of this image: https://sites.google.com/a/ricomputermuseum.org/home/Home/equipment/dec-pdp… -- Michael Thompson

11 years, 4 months

Question about DEC PMI Processors & Gear Acquisition

by captainkirk359＠gmail.com

Hello everyone! I have a question which to some might seem rather obvious to some, but I cannot find the answer. And guessing by my recent streak of luck I'll probably find the answer to this question after posting the question to the list... Nevermind, back on topic. The question at hand: Can a PMI processor -- in this case a KDJ11-BF -- be put into a non-PMI serpentine QBUS backplane? Or will the magic smoke be released. If the answer is a resounding "no". Any one here have a KDJ11-AC (M8192-YC) they'd be willing to trade for a KDJ11-BF (M8190-AE)? I'm also interested in some other QBUS '11 boards, a -- short -- list follows, in order of precedence: > DLV11-J/DLVJ1-M (M8043) -- or compatible > QBUS (non-PMI) memory -- I'd *LOVE* to get an MSV11-QC (M7551-CA, 4MB), -QB (-BA, 2MB) or -QA (-AA, 1MB) memory board; I'd also be fine with a 256KB MSV11-LK (M8059-K*) board > 22-bit compatible boot ROM board -- e.g. The BDV11 (M8012) revision E. > QBUS SCSI controller -- I'm really gunning for the CMD CQD-220A/TM, though I'm for any form of QBUS SCSI controller that can be both TMSCP tape and MSCP disk controller at the same time > DRV11-J (M8049) -- or compatible > DHV11 (M3104) -- or compatible > LPV11 (M8027 > DELQA (M7516) -- or compatible I would love to get all DEC original boards -- save the SCSI controller, as I would the system to have mostly DEC innards. If any one can tell from that list, I'm setting up a complete PDP-11 system. In this case replacing one. Don't ask what happened to the machine that is being replaced be cause I will go on a twenty minute long rant consisting of nothing but swearing. Many thanks for any help offered! Cheers, Christian G.

11 years, 4 months

buying an Atari ST

by wlewisiii＠gmail.com

I wonder what the state of the art in Atari emulation is? I'm an old Amiga person rather than Atari one so every so often I get an urge to go buy an Amiga 4000. Instead I fire up my copy of E-UAE running AmigaDOS 3.9 and the urge goes away. It runs some old games better than my A500 ever did and I can run the AGA stuff my older machines never could without massive modifications. My eventual goal is to get an old netbook and dedicate it to just running WinUAE. Perhaps the OP might find an Atari emulator the same way? > Date: Wed, 26 Dec 2012 20:09:30 +0100 > From: Jonas Otter <jonas at otter.se> > On Tue, 25 Dec 2012 20:33:36 -0800, "Zane H. Healy" > <healyzh at aracnet.com> wrote: >> At 7:54 PM -0800 12/25/12, Tom Sparks wrote: >>> >I am looking at buying an Atari ST, witch model should I look into buying? >> The TT030 is nice very nice and takes a VGA monitor, but I rather >> wish I'd gone for a Falcon. Of course I got my TT030 nearly 15 years >> ago, it was hard to get then, I hate to think how hard it might be to >> get any Atari ST now, or what any Atari computer might cost. >> >> Zane > They are fairly common on auction sites here in Sweden, I got my > 1040STFM a couple of years ago for about 50 Euro, with 2 joysticks, a > custom-built flight case and about 200 floppies with pirated games on. > > If you are prepared to pay for shipping from Europe, you could have a > look on ebay.de (Germany) for example, or one of the other European > national ebay sites. I got mine from Tradera which is owned by ebay > (www.tradera.com), they turn up there every now and then, mostly 520s > and 1040s. Shipping would probably be quite expensive though. > > Jonas William -- Live like you will never die, love like you've never been hurt, dance like no-one is watching. Alex White

11 years, 4 months

thinking of selling my PDP-11/23+

by charlesmorris800＠centurytel.net

I have a functioning PDP-11/23+ system (4 Mb RAM, 16-line serial card, two RL02's; RT-11XM, TSX-Plus) in the half-height "corporate cabinet". Since I got it running and played ADVENT a few times, I find I never use it... would anyone be interested in buying it? If so I'd much prefer you came and picked it up; located in West Plains MO. Email me for pictures. thanks Charles

11 years, 4 months

CFFA3000 and Apple III?

by wheagy＠gmail.com

Mike, Thanks. If that's the case, let me try making a couple more disks using different disk images that I can find online and see if I have any better luck. If not, I'll try the drive speed adjustment. If you don't mind sending me a pointer for that, it sounds like it would be a good thing to have regardless of whether I need to use it this time or not Thanks, Win --------- Hi Win, It sound like the floppy you created from the image is good -- usually you get the immediate "Retry" message if the III can't recognize the disk at all. As long as you used the CFFA to create the disk from the image, just as you would an Apple II disk, it should work. >From what I've experienced, what you're seeing is usually (but not always) one of two things: 1) The disk image you used to create the image has a driver installed for a piece of hardware that isn't present in your system (i.e, a ProFile drive) and SOS has loaded the driver and is waiting for the peripheral to respond. SOS is supposed to be smart enough to realize that hardware isn't there and move on with the loading process, but it doesn't always work that way. or 2) your drive needs to be adjusted. I have about two dozen Disk III drives and every single one of them required a speed adjustment before they would work when I acquired them. LMK if you need the procedures for that. - Mike

11 years, 4 months

AT&T 6300 mono monitor

by rampaginggreenhulk＠yahoo.com

------------------------------ On Sun, Dec 30, 2012 2:45 PM PST Chuck Guzis wrote: >On 12/30/2012 01:37 PM, Chris Tofu wrote: >> >> >> C: Where are you getting this from? I don't see it googling. Does it contain artwork for the DEB board? >> >> NM NM NM. Does anyone have one though? Does it simply add memory to the display board? > >I've concluded that I must have a differnt Google (my own "Cole Porter", >if you will permit a Python allusion) than everyone else: > >http://m24.museodelcomputer.org/site/doc.html > >Enjoy, >Chuck > > did you stop to think what "NM" meant? IOW I found it.

11 years, 4 months

AT&T 6300 mono monitor

by aliensrcooluk＠yahoo.co.uk

--- On Monday, December 31, 2012 1:04 AM, Fred Cisin <cisin at xenosoft.com> wrote: >> >> NM NM NM. Does anyone > have one though? Does it simply > add memory to the display board? > > >I've concluded that I must have a differnt Google (my own "Cole Porter", > > >if you will permit a Python allusion) than everyone else: > > >http://m24.museodelcomputer.org/site/doc.html > On Sun, 30 Dec 2012, Chris Tofu wrote: > > did you stop to think what "NM" meant? IOW I found it. > > Non-Maskable. [interrupts] > > New Mexico??!? . . . NM = nevermind (chatrooms and txt speak)

11 years, 4 months

Question about DEC PMI Processors & Gear Acquisition

by jonas＠otter.se

On Sat, 29 Dec 2012 20:27:48 -0500, Christian Gauger-Cosgrove <captainkirk359 at gmail.com> wrote: > Yes, I'm never again letting the machine out of my sight or leaving > the house without Crazy Psycho Bitch Lady With No Respect For Personal > Property in tow, and/or the machine and rack bolted to the floor, > wall, and any available fixed surface. Because*I* didn't do anything > to lose my entire PDP-11 system beyond living at my university dorm. > CPBLWNRFPP did something to my system and it is out of my possession > without any way for me to get it back -- and she can't give me a > straight story as to whether she threw the machine out, or sold it. > Personally since she has no idea what the machine was other then an -- > in her words -- "old, dirty, fucking computer" I think she carted it > to the dump and tossed it. Oh and it was*FAR* from dirty as I made > sure to keep it spotless (the all white bevel/faceplate drove me nuts > as it seemed to attract dust from everywhere in a three light year > radius... just like my piano). Get Rid Of Her. Now.

11 years, 4 months

CFFA300 and Apple III

by wheagy＠gmail.com

Mike, I read the relevant chapters and have a bit better understanding of the Apple III...I think. I tried making an SOS disk today using my Apple IIe and the CFFA3000 with some Apple III dsk images i found online. I used ProDOS and was able to format the floppy and it appeared to copy the image onto the floppy. At least it said it was successful, but when I tried booting the III with it, the drive spun for about 3 seconds and then stopped and nothing else happened...nothing on the display. Should it work to copy a floppy like this using ProDOS on a IIe for use on a III? Is there another utility that would be better suited to copy the disk? Thanks, Win Unlike the II, which is relatively easy to configure to boot to any (bootable) storage device in nearly any slot, the Apple III tries to boot only from the internal floppy drive, and as Eric pointed out, you'd have to roll your own ROM to change that behavior. The CFFA3000 works nicely in the III, but you lose the Drive ][ emulation capability and you can't boot directly to it. In the Apple III, everything is seen as a device and requires a driver that SOS loads as it boots in order to be accessible to the system during operation. You can't (easily) boot directly to the CFFA because SOS requires a driver to be able to recognize it. Fortunately, SOS is close enough to ProDOS that you can use the CFFA in an Apple II to create floppies from the images you downloaded. I'd suggest reading this PDF for more on how the III works: http;//apple2scans.net/scans/manuals/3rd.party/OMHGYA3.pdf It's the Osborne McGraw Hill Guide To Your Apply III. Pay special attention to Chapters 3 and 4. LMK if you have any questions about all this. - Mike

11 years, 4 months

Dead Intel MDS

by williams.dan＠gmail.com

Hi, I have managed to get around to having a look at this machine. It is a model 231. I am getting nothing on the screen and no beeps when in diagnostic mode. The PSU is on and the fans are running. I have checked the schematics and the voltage is correct on all pins coming out of the supply and there is voltage going into the screen. The screen is not 'firing' up as I would expect. I am not an expert on CRT's Anyone know anything about these machines or how to proceed. I have found online service manuals for the screen and machine as well as full schematics for both. Thanks Dan

11 years, 4 months

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test-drb December 2012