QBUS boards on eBay checp

2015-08-14 Thread Noel Chiappa
Some guy on eBay is selling a ton of QBUS boards, cheap: http://www.ebay.com/sch/computer_surpluscheap/m.html Includes deals such as 11/23 CPU's _with_ KTF11 and KEF11 for $30, 11/73 CPU's for $50, etc, etc. Anyone recognize those Motorola memory cards? Do we have documentatio for them?

Shugart 800-8 media centering problem

2015-08-14 Thread Jay Jaeger
I have a Shugart 800-8 with a media centering problem. I know it is definitely that and not something else (say, electronics, TRK00 position, etc.), because I can see the "wobble" in the signal coming from the heads on a 'scope. Depending on how I load the floppy, the attenuation can be from noth

Re: QBUS boards on eBay checp

2015-08-14 Thread Brent Hilpert
On 2015-Aug-14, at 8:02 AM, Noel Chiappa wrote: > Some guy on eBay is selling a ton of QBUS boards, cheap: > > http://www.ebay.com/sch/computer_surpluscheap/m.html > > Includes deals such as 11/23 CPU's _with_ KTF11 and KEF11 for $30, 11/73 CPU's > for $50, etc, etc. > > Anyone recognize those

Re: QBUS boards on eBay checp

2015-08-14 Thread Al Kossow
On 8/14/15 10:45 AM, Brent Hilpert wrote: I was investigating - wondering whether it was plug-and-play to emulate a floppy interface Not enough logic on there to do that. It would have been a parallel interface to the bubble microcontroller

Re: QBUS boards on eBay checp

2015-08-14 Thread Holm Tiffe
Noel Chiappa wrote: > Some guy on eBay is selling a ton of QBUS boards, cheap: > > http://www.ebay.com/sch/computer_surpluscheap/m.html > > Includes deals such as 11/23 CPU's _with_ KTF11 and KEF11 for $30, 11/73 CPU's > for $50, etc, etc. > > Anyone recognize those Motorola memory cards? Do

Re: QBUS boards on eBay checp

2015-08-14 Thread Sean Caron
Thanks for the tip! He's got some nice stuff and the prices are not awful although I'm pretty well stocked on what's he's mostly selling; 11/23 CPUs; MOS memories and SLUs... I was hoping for RX01 or RX02 interface for $20, heh. There's definitely some good opportunities here if someone wants to bu

Re: QBUS boards on eBay checp

2015-08-14 Thread Todd Goodman
Hi Holm, If you don't find anyone else I'd be willing to do so for you. Regards, Todd * Holm Tiffe [150814 14:15]: > Noel Chiappa wrote: > > > Some guy on eBay is selling a ton of QBUS boards, cheap: > > > > http://www.ebay.com/sch/computer_surpluscheap/m.html > > > > Includes deals such

Re: QBUS boards on eBay checp

2015-08-14 Thread Brent Hilpert
On 2015-Aug-14, at 11:04 AM, Al Kossow wrote: > On 8/14/15 10:45 AM, Brent Hilpert wrote: > >> I was investigating - wondering whether it was plug-and-play to emulate a >> floppy interface > > Not enough logic on there to do that. It would have been a parallel interface > to the bubble microcon

Re: QBUS boards on eBay checp

2015-08-14 Thread Brent Hilpert
On 2015-Aug-14, at 11:24 AM, Brent Hilpert wrote: > On 2015-Aug-14, at 11:04 AM, Al Kossow wrote: >> On 8/14/15 10:45 AM, Brent Hilpert wrote: >> >>> I was investigating - wondering whether it was plug-and-play to emulate a >>> floppy interface >> >> Not enough logic on there to do that. It woul

Re: Shugart 800-8 media centering problem

2015-08-14 Thread Chuck Guzis
On 08/14/2015 09:27 AM, Jay Jaeger wrote: When I look at the cartridge guide without the spindle clamp in place, it is now centered above the spindle, and at the same distance from the spindle as my drive that does not have these issues. Anybody have any experience like this? Thoughts? There

Re: QBUS boards on eBay checp

2015-08-14 Thread Al Kossow
On 8/14/15 11:28 AM, Brent Hilpert wrote: On 2015-Aug-14, at 11:24 AM, Brent Hilpert wrote: On 2015-Aug-14, at 11:04 AM, Al Kossow wrote: On 8/14/15 10:45 AM, Brent Hilpert wrote: I was investigating - wondering whether it was plug-and-play to emulate a floppy interface Not enough logic on

Re: SCSI Tape to TAP utility

2015-08-14 Thread Al Kossow
On 8/9/15 10:21 PM, Chuck Guzis wrote: On 08/09/2015 09:54 PM, Marc Verdiell wrote: Well, Chuck, thanks a bunch, this is very useful and quite difficult code to write from scratch. How does one compile for DOS by the way (I have to admit I am too young to have ever tried), and get a copy of MSC

Re: Shugart 800-8 media centering problem

2015-08-14 Thread Fred Cisin
On Fri, 14 Aug 2015, Jay Jaeger wrote: I have a Shugart 800-8 with a media centering problem. I know it is definitely that and not something else (say, electronics, TRK00 position, etc.), because I can see the "wobble" in the signal coming from the heads on a 'scope. If all thge disks were for

Re: Still seeking 3B2 information

2015-08-14 Thread Seth Morabito
* On Tue, Aug 11, 2015 at 09:36:36AM -0500, Jerry Kemp wrote: > Hello Seth, > > We were having a 3B2 discussion on the Sun Rescue list, and that got > me to thinking about your emulator project. > > Can you share a status update? Hi Jerry, Sadly, it's been stalled for quite some time now. Curr

Re: Shugart 800-8 media centering problem

2015-08-14 Thread Jay Jaeger
On 8/14/2015 2:01 PM, Fred Cisin wrote: > On Fri, 14 Aug 2015, Jay Jaeger wrote: >> I have a Shugart 800-8 with a media centering problem. I know it is >> definitely that and not something else (say, electronics, TRK00 >> position, etc.), because I can see the "wobble" in the signal coming >> fro

Re: Anyone have a Lockheed SUE?

2015-08-14 Thread Brent Hilpert
On 2015-Aug-13, at 9:44 PM, Al Kossow wrote: > I turned up some CPU info on it, which I uploaded to bitsavers/lockheed/sue > > Dumps of the programmable parts on the CPU would be nice if anyone has one. So this was interesting, another in the list of 60s/70s minis - hadn't heard of it previousl

Re: Anyone have a Lockheed SUE?

2015-08-14 Thread jwsmobile
On 8/14/2015 11:54 AM, Brent Hilpert wrote: On 2015-Aug-13, at 9:44 PM, Al Kossow wrote: I turned up some CPU info on it, which I uploaded to bitsavers/lockheed/sue Dumps of the programmable parts on the CPU would be nice if anyone has one. So this was interesting, another in the list of 60

Re: Anyone have a Lockheed SUE?

2015-08-14 Thread Al Kossow
On 8/14/15 11:54 AM, Brent Hilpert wrote: Are there any known customers/applications that used it? The BBN PLURIBUS IMP

Re: Anyone have a Lockheed SUE?

2015-08-14 Thread Paul Koning
> On Aug 14, 2015, at 2:54 PM, Brent Hilpert wrote: > > On 2015-Aug-13, at 9:44 PM, Al Kossow wrote: >> I turned up some CPU info on it, which I uploaded to bitsavers/lockheed/sue >> >> Dumps of the programmable parts on the CPU would be nice if anyone has one. > > > So this was interesting,

Re: Shugart 800-8 media centering problem

2015-08-14 Thread Jay Jaeger
On 8/14/2015 1:33 PM, Chuck Guzis wrote: > On 08/14/2015 09:27 AM, Jay Jaeger wrote: > >> When I look at the cartridge guide without the spindle clamp in >> place, it is now centered above the spindle, and at the same distance >> from the spindle as my drive that does not have these issues. >> >>

RE: Shugart 800-8 media centering problem

2015-08-14 Thread tony duell
> The clamping is not out of alignment. If it were, the results would be > more consistent. Besides, the clamping is not really responsible for > the alignment. It is a matter of the media relationship to the spindle > as the clamping comes down on it. The fact that it sometimes centres proper

Re: SCSI Tape to TAP utility

2015-08-14 Thread Chuck Guzis
On 08/14/2015 12:00 PM, Al Kossow wrote: last 16 bit compiler is visual C++ 1.52c also ran across MASM 8 https://www.microsoft.com/en-us/download/details.aspx?id=12654 if you need it Schizophrenic MS labeling. The C++ suite is 1.52c, but the compiler identifies itself as 8.00c. Crazy. --

Re: Still seeking 3B2 information

2015-08-14 Thread Jerry Kemp
Hello Seth, Thanks for the update. I wish I could assist further, but aside from shell scripting, I'm not a developer, and aside from my "ATT System Administrator" classroom book, I really don't have any additional documentation. That said, I will close with a thank you for your work on this

Re: Still seeking 3B2 information

2015-08-14 Thread william degnan
MARCH has (or once had) a lot of 3B2 hardware and documentation at InfoAge in NJ. Maybe Evan is reading this thread or you can ask him via midatlanticretro.org. I recall at least one complete system donated years ago. On Fri, Aug 14, 2015 at 5:13 PM, Jerry Kemp wrote: > Hello Seth, > > Thanks f

Re: Shugart 800-8 media centering problem

2015-08-14 Thread Jay Jaeger
On 8/14/2015 3:01 PM, tony duell wrote: > >> The clamping is not out of alignment. If it were, the results would be >> more consistent. Besides, the clamping is not really responsible for >> the alignment. It is a matter of the media relationship to the spindle >> as the clamping comes down on

Re: SCSI Tape to TAP utility

2015-08-14 Thread Al Kossow
On 8/14/15 1:30 PM, Chuck Guzis wrote: Schizophrenic MS labeling. The C++ suite is 1.52c, but the compiler identifies itself as 8.00c. Crazy. yea.. There is a page on it on Wikipedia. Visual C++ came out after MS C 7.0 which was Windows 3.1 time frame. Just staring at all this because I'm

8-E(s) in Illinois

2015-08-14 Thread Paul Anderson
While pulling parts for another list member my workers found another 8-E. I thought I had 2 in the area, but who knows. Anyway, if you are going to Chicago (VCF) I'm almost 3 hours south of there, but I have several list members who plan on stopping by before or after and might be willing to deliv

WANTED: HP 3000

2015-08-14 Thread Mike Loewen
I worked on HP 3000 systems in the late '80s, and would like to find one for my collection. A series 42 would be nice, but a series 37 or micro XE would do. Any leads? I'm already aware of the one on Epay in Florida that's been sitting at $1,725 for the past year. I'm in central PA.

Re: SCSI Tape to TAP utility

2015-08-14 Thread Chuck Guzis
On 08/14/2015 06:08 PM, Al Kossow wrote: yea.. There is a page on it on Wikipedia. Visual C++ came out after MS C 7.0 which was Windows 3.1 time frame. Just staring at all this because I'm scanning a redundant win 3.1 /c++ 7.0 dev kit doc set we have right now. If someone has a spare win 3.

Slightly OT: XT-IDE

2015-08-14 Thread Ali Fahimi M.D.
Hello All, I've been trying to help a friend of mine get his XT-IDE (DP ver 2 board) up and running to boot a HDD in an IBM 8525. It is a bit difficult since he is across the country but we have made progress. However, we still cannot get the system to boot. The card is recognized by the system,

Re: Anyone have a Lockheed SUE?

2015-08-14 Thread Al Kossow
The other mini I've gone down too deep a rathole on is the Pertec Computer Corp XL40 (univac 1900) which was a third generation key-tape system. Pertec bought Computer Machinery Corporation, who appears to have made their own PDP-8 clone (Bob Rosenbloom has one) http://www.dvq.com/oldcomp/photo

Re: Anyone have a Lockheed SUE?

2015-08-14 Thread Al Kossow
On 8/14/15 6:20 PM, Al Kossow wrote: who appears to have made their own PDP-8 clone (Bob Rosenbloom has one) http://www.dvq.com/oldcomp/photos2/1k/cmc3.jpg oops, it's actually a Digital Computer Controls DCC-112

Re: WANTED: HP 3000

2015-08-14 Thread COURYHOUSE
and I am looking for west coast hp -3000's! Mike! Due to freight az or cal... for a 3000/37 or micro gear but would pay the big freight if it was a old series II or II or cx or precx or series 1 I spent most of my time on series 2 and 3 machines and although I do not have

Re: SCSI Tape to TAP utility

2015-08-14 Thread Al Kossow
On 8/14/15 7:28 PM, Chuck Guzis wrote: I've got the Windows 3.1 DDK in big box/piles of floppies version. But isn't the documentation (and the rest) part of the MSDN collection? yea, forgot about that. I have pretty much the complete set back to the early 90's.

Re: Anyone have a Lockheed SUE?

2015-08-14 Thread COURYHOUSE
think dcc made a fake dg nova also!? In a message dated 8/14/2015 8:24:14 P.M. US Mountain Standard Time, a...@bitsavers.org writes: oops, it's actually a Digital Computer Controls DCC-112

RE: Shugart 800-8 media centering problem

2015-08-14 Thread tony duell
>There is no play in the spindle at all. Certainly not 1/2 track worth. > Can't wiggle it at all, no visible wobble, etc. Not necessarily play. Anyway, half a track width is just over 10 thou and I am not sure I could notice that amount of runout by eye. Also I have learnt by bitter experience t

RE: Shugart 800-8 media centering problem

2015-08-14 Thread dwight
It could be an indication of pot metal failure. I had one drive that the spindle from the driven side was clearly swelling. I replaced it from a spare parts drive. What happens is that the metal has oxidation at grain boundaries. It is said that it is caused by small amounts of contaminating metals