Re: ISO: PDP-11/40 LTC and Stack Limit options

> On Nov 22, 2016, at 5:43 PM, william degnan wrote: > > On Tue, Nov 22, 2016 at 8:13 PM, Guy Sotomayor Jr wrote: > >> >>> On Nov 22, 2016, at 4:40 PM, Josh Dersch wrote: >>> >>> >>> So... maybe I just completely missed the

Re: ISO: PDP-11/40 LTC and Stack Limit options

> > > I have my 11/40 fired up right now too. I can load BASIC and I have a > M9312 with a M7800 that returns serial signals/monitor running. I have the > CPU backplane, two core planes (empty), a DD11B and an DD11C. I can > operate without a grant card in slot, but I can't boot up using RL02

Re: ISO: PDP-11/40 LTC and Stack Limit options

On Tue, Nov 22, 2016 at 8:13 PM, Guy Sotomayor Jr wrote: > > > On Nov 22, 2016, at 4:40 PM, Josh Dersch wrote: > > > > > > So... maybe I just completely missed the memo on this, and maybe there's > still something wrong with my backplane... is it possible

Re: Looking for 8085a CPU

Hi Adrian , I'm certain I have a couple 8085s you can have for the shipping . Let me go through my storage unit this week end and find them . I'm in San Diego , CA USA , there has to be some slick way to ship to the UK to avoid all the unpleasantness Do you have PayPal or ? We can

Re: ISO: PDP-11/40 LTC and Stack Limit options

> On Nov 22, 2016, at 4:40 PM, Josh Dersch wrote: > > > So... maybe I just completely missed the memo on this, and maybe there's > still something wrong with my backplane... is it possible that slot 9 of the > 11/40's CPU backplane is wired *specifically* for an M7800? I

Re: ISO: PDP-11/40 LTC and Stack Limit options

On 11/22/16 4:00 PM, Josh Dersch wrote: On 11/22/16 9:27 AM, Noel Chiappa wrote: > From: Josh Dersch derschjo at gmail.com > see if the same is true for other bus grants -- I can run the system > with no grant continuity card at all in slot 9 and everything works. Well,

Re: Reverse-engineering WD1000, WD1001 hard disk controllers

On Tue, Nov 22, 2016 at 9:14 AM, jos wrote: > The MFM disk controller for later version Lilith's is clearly based on a > WD1001-05. > But uses a 8x305 iso 8x300. > All of the WD1001 controllers I've seen use 8X305. Some later WD1000 use 8X305 also. I've disassembled

Re: ISO: PDP-11/40 LTC and Stack Limit options

On 11/22/16 9:27 AM, Noel Chiappa wrote: > From: Josh Dersch derschjo at gmail.com > see if the same is true for other bus grants -- I can run the system > with no grant continuity card at all in slot 9 and everything works. Well, the BG4-BG7 grants definitely _are_ run

Re: Free IBM system/1(?) in eastern US.

On 11/22/2016 2:56 PM, Paul Berger wrote: The channel adapter on the Series/1 had a rather large flaw, if you did not disable the interface before shutting down the Series/1 it would upset the channel it was attached to causing a flurry of channel checks that could bring the host system to

Re: Re: DNIX and ABCenix install media disk images.

Not that I'm aware of. I can do it, but I don't have daily access to the machine so it will take a couple of months. has the firmware been dumped from this? On 11/21/16 6:54 AM, Anders Sandahl wrote: On 11/18/16 12:02 AM, Pontus Pihlgren wrote: This is great! Thanks Mattis, Jonas and Al.

Re: DNIX and ABCenix install media disk images.

actually, it appears the machine is emulated in MAME On 11/22/16 11:12 AM, Anders Sandahl wrote: > Not that I'm aware of. I can do it, but I don't have daily access to the > machine so it will take a couple of months. >> >> has the firmware been dumped from this? >> >> On 11/21/16 6:54 AM,

Re: HP Draftmaster RX pen plotter needs love

I appreciate the guidance so far, thanks very much. I found another power supply/motor driver board ("analog board") of the same part number, hooked it up to the plotter and tested it. The -12v test point on the new board read zero, and the other voltages were present just like the original

Re: Fwd: NCD16 images. Was: NCD19 / Xncd19

Hi Al & list, Sorry for the delay, but the files should be readable now. On 18-11-16 19:00, Al Kossow wrote: Fred, could you make these files readable, please Apparently Filezilla in the new configuration needs more configuration. The URL again:

Re: Rogue: Mctesq was here

On 20/11/16 05:39, Richard Loken wrote: On Sun, 20 Nov 2016, Antonio Carlini wrote: There is a rogue that runs on VAX/VMS as I definitely played it a little back in the day. I don't think I had the sources, just a .EXE, so that may not work so well for Alpha. Now THAT is interesting! I

Re: Free IBM system/1(?) in eastern US.

On 11/22/2016 10:09 AM, william degnan wrote: On Tue, Nov 22, 2016 at 2:31 AM, Guy Sotomayor Jr >wrote: > >The IBM Series/1 was introduced in 1976 and withdrawn in 1988. There >were > >originally 2 models and another 2 models were added later... Ultimate's Pick

Re: Free IBM system/1(?) in eastern US.

On Tue, Nov 22, 2016 at 12:11 PM, Ethan Dicks wrote: > On Tue, Nov 22, 2016 at 2:31 AM, Guy Sotomayor Jr > wrote: > > The IBM Series/1 was introduced in 1976 and withdrawn in 1988. There > were > > originally 2 models and another 2 models were added

Re: ISO: PDP-11/40 LTC and Stack Limit options

> From: Josh Dersch derschjo at gmail.com > see if the same is true for other bus grants -- I can run the system > with no grant continuity card at all in slot 9 and everything works. Well, the BG4-BG7 grants definitely _are_ run through the SPC slot 9 (see below) - at least, on a

Re: Free IBM system/1(?) in eastern US.

On Tue, Nov 22, 2016 at 2:31 AM, Guy Sotomayor Jr wrote: > The IBM Series/1 was introduced in 1976 and withdrawn in 1988. There were > originally 2 models and another 2 models were added later... ISTR having to mod our 3780 COMBOARD code to talk to a Series/1 in about 1992

Re: ISO: PDP-11/40 LTC and Stack Limit options

On Tue, Nov 22, 2016 at 7:48 AM, Noel Chiappa wrote: > > It's possible that they didn't bother wiring NPG to that slot, but > sent > > it directly to the NPG pin on the 'UNIBUS out' connector > > Sho'nuff; the 11/40 prints indicate (pg. 86) that "BUS NPG" goes

Re: Free IBM system/1(?) in eastern US.

The IBM Series/1 was introduced in 1976 and withdrawn in 1988. There were originally 2 models and another 2 models were added later. I always knew them by their code names — different varieties of peaches…so named because they were developed by IBM’s GSD division which was headquartered in

Re: Reverse-engineering WD1000, WD1001 hard disk controllers

On 20.11.2016 01:30, Al Kossow wrote: On 11/19/16 4:25 PM, dwight wrote: It is actually a controller for a TRS-80 but it was a WD1000 in disguise. what format board (5" or 8")? 8X300 or 305? I dumped and took pictures of a couple different styles which are up on bitsavers under westernDigital

Re: ISO: PDP-11/40 LTC and Stack Limit options

> It's possible that they didn't bother wiring NPG to that slot, but sent > it directly to the NPG pin on the 'UNIBUS out' connector Sho'nuff; the 11/40 prints indicate (pg. 86) that "BUS NPG" goes directly from C07P2 ("Source" - you can see the generation on print K4-5, pg. 62, lower

Re: Rogue: Mctesq was here

> > There's a Rogue for the Alpha Micro. I don't have source for it either, > > but it runs very well. > > What is an Alpha Micro? http://ampm.floodgap.com/ It's hosted on one! -- personal: http://www.cameronkaiser.com/ -- Cameron Kaiser * Floodgap

Re: ISO: PDP-11/40 LTC and Stack Limit options

> From: Josh Dersch > There appears to be no continuity between CA1/CB1 of slot 9 and CA1/CB1 > of the SPC/MUD slots in the rest of the system. Is that the only issue? If so, that should be 'not too hard' to track down. It's possible that they didn't bother wiring NPG to that slot,

RE: Free IBM system/1(?) in eastern US.

When I worked on the UK Universities X.25 networking software we used Series/1s for interfacing the x.25 to VM/370 as IBM had X.25 and Channel hardware for the s/1. Dave > -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Guy > Sotomayor Jr > Sent: