Groups
Groups
Sign in
Groups
Groups
[PiDP-11]
Conversations
Labels
About
Send feedback
Help
[PiDP-11]
Contact owners and managers
1–30 of 1423
Discussion group for the PiDP-11.
See
the web site
for details & documentation.
Mark all as read
Report group
0 selected
DR
1:49 PM
Seymour Cray's 100th birthday celebrated Sunday at the Chippewa Valley Museum
There will be a 4 hour free open house at the Museum Sunday. I think they have at least a Cray on
unread,
Seymour Cray's 100th birthday celebrated Sunday at the Chippewa Valley Museum
There will be a 4 hour free open house at the Museum Sunday. I think they have at least a Cray on
1:49 PM
Warren Toomey
Sep 24
Any Interest in CNews?
Hi all, I was wondering if there would be any interest in bringing CNews up on the 2.11BSD platform?
unread,
Any Interest in CNews?
Hi all, I was wondering if there would be any interest in bringing CNews up on the 2.11BSD platform?
Sep 24
Michael Katzmann
, …
Doug Braun
11
Sep 24
More authentic looking knobs
I already have paid-up claimants for all the extra knobs I have. BTW, I recently ordered something
unread,
More authentic looking knobs
I already have paid-up claimants for all the extra knobs I have. BTW, I recently ordered something
Sep 24
Adam Thornton
,
johntk...@gmail.com
2
Sep 21
PiDP-1 s/n 48 arrived today!
Make sure to join the PDP-1 group; lots of building advice. On Thursday, September 18, 2025 at 3:26:
unread,
PiDP-1 s/n 48 arrived today!
Make sure to join the PDP-1 group; lots of building advice. On Thursday, September 18, 2025 at 3:26:
Sep 21
Sytse van Slooten
,
Glenn Babecki
6
Sep 20
PDP2011 release
Thanks for your insights and things to consider regarding my line of questioning. Best Regards, Glenn
unread,
PDP2011 release
Thanks for your insights and things to consider regarding my line of questioning. Best Regards, Glenn
Sep 20
Carl Marbach
,
Johnny Billquist
3
Sep 17
adding games disk to rsts7
I reloaded the RK05-GAMES-RSTS0-0.DSK And it all works! I can now use my VT420, on RSTS and I have
unread,
adding games disk to rsts7
I reloaded the RK05-GAMES-RSTS0-0.DSK And it all works! I can now use my VT420, on RSTS and I have
Sep 17
Carl Marbach
, …
Johnny Billquist
4
Sep 16
TREK52.BAS doesn't work on my new Pi build. WHY???
I doubt different versions of simh would matter for this. I agree that BP2 is often a better tool to
unread,
TREK52.BAS doesn't work on my new Pi build. WHY???
I doubt different versions of simh would matter for this. I agree that BP2 is often a better tool to
Sep 16
Anthony Eros
, …
Jos Fries
7
Sep 13
MUMPS-11 distribution
Op dinsdag 15 juli 2025 om 15:16:19 UTC+2 schreef foob...@gmail.com: Thanks for the pointers! I had
unread,
MUMPS-11 distribution
Op dinsdag 15 juli 2025 om 15:16:19 UTC+2 schreef foob...@gmail.com: Thanks for the pointers! I had
Sep 13
cr...@ruffspot.net
, …
Jeff Spears
3
Sep 12
Re: [PiDP-11] Unable to access mim.stupi.net (192.108.202.74) RSX-11M+
I figured that out and tried to delete the post. Thank you! On Wednesday, September 10, 2025 at 5:46:
unread,
Re: [PiDP-11] Unable to access mim.stupi.net (192.108.202.74) RSX-11M+
I figured that out and tried to delete the post. Thank you! On Wednesday, September 10, 2025 at 5:46:
Sep 12
Carl Marbach
, …
Mike Markowski
14
Sep 10
RSTS Professional Magazine
Thank you, Anton, this could be all of them prior to Vax Professional - many thanks! -Mike...off to
unread,
RSTS Professional Magazine
Thank you, Anton, this could be all of them prior to Vax Professional - many thanks! -Mike...off to
Sep 10
terry-...@glaver.org
, …
desa...@gmail.com
14
Sep 10
Fixing the PiDP-11 code has been an exercise in frustration
On Tuesday, September 9, 2025 at 3:30:42 AM UTC-4 desa...@gmail.com wrote: I did manually merge the
unread,
Fixing the PiDP-11 code has been an exercise in frustration
On Tuesday, September 9, 2025 at 3:30:42 AM UTC-4 desa...@gmail.com wrote: I did manually merge the
Sep 10
Eric N
, …
Bert Driehuis
29
Sep 5
Fixing the LED panel freeze issue
Let's not overengineer the solution before it gets off the ground... Terry volunteered to take
unread,
Fixing the LED panel freeze issue
Let's not overengineer the solution before it gets off the ground... Terry volunteered to take
Sep 5
Chris Jordan
, …
Manuel Maseda
5
Sep 4
RSX11M+ HP7550 plotter?
If you want the real thing I can sell you a genuine DEC LVP16 pen plotter !! Manuel On Wednesday,
unread,
RSX11M+ HP7550 plotter?
If you want the real thing I can sell you a genuine DEC LVP16 pen plotter !! Manuel On Wednesday,
Sep 4
Anthony Eros
, …
terry-...@glaver.org
4
Sep 2
Weird SIMH behavior on Windows PC
On Tuesday, September 2, 2025 at 8:50:34 PM UTC-4 foob...@gmail.com wrote: I'm guessing I need to
unread,
Weird SIMH behavior on Windows PC
On Tuesday, September 2, 2025 at 8:50:34 PM UTC-4 foob...@gmail.com wrote: I'm guessing I need to
Sep 2
Johnny Billquist
, …
terry-...@glaver.org
4
Aug 31
2.11BSD patch 495-496
There's an issue with the Covello 482 image where the 482 patch was applied but not all of the
unread,
2.11BSD patch 495-496
There's an issue with the Covello 482 image where the 482 patch was applied but not all of the
Aug 31
Perry Metzger
, …
johntk...@gmail.com
17
Aug 23
Somewhat easier to deal with SIMH PDP-11 docs...
FYI, for those who are VAX afficionados, I've also cleaned up the SIMH VAX documentation: https:/
unread,
Somewhat easier to deal with SIMH PDP-11 docs...
FYI, for those who are VAX afficionados, I've also cleaned up the SIMH VAX documentation: https:/
Aug 23
Paulo Rebordão
, …
Johnny Billquist
11
Aug 23
Question about BHALT_L line
I have a 2 channel scope so tomorrow I'll take a look at lines BDCOK and BPOK A sábado, 23/08/
unread,
Question about BHALT_L line
I have a 2 channel scope so tomorrow I'll take a look at lines BDCOK and BPOK A sábado, 23/08/
Aug 23
Carl Marbach
,
Tony Nicholson
2
Aug 23
protection violation - in MOUNT
On Saturday, August 23, 2025 at 5:32:24 PM UTC+10 cmar...@marbachs.com wrote: I attach rk05-games-
unread,
protection violation - in MOUNT
On Saturday, August 23, 2025 at 5:32:24 PM UTC+10 cmar...@marbachs.com wrote: I attach rk05-games-
Aug 23
Paulo Rebordão
, …
Johnny Billquist
4
Aug 21
Connecting a terminal to ODT
I think it's slightly wrong to say it reflects parity. Basically, it's just 8-bit clean, no
unread,
Connecting a terminal to ODT
I think it's slightly wrong to say it reflects parity. Basically, it's just 8-bit clean, no
Aug 21
Perry Metzger
,
Sytse van Slooten
4
Aug 21
Small Pi Zero form factor FPGA board...
> On 21 Aug 2025, at 02:44, Perry Metzger <pe...@piermont.com> wrote: > > On 8/20/25
unread,
Small Pi Zero form factor FPGA board...
> On 21 Aug 2025, at 02:44, Perry Metzger <pe...@piermont.com> wrote: > > On 8/20/25
Aug 21
hush
,
Johnny Billquist
3
Aug 19
unable to use rpm - task not in system?
well, whatever it was it's not happening on a fresh install... sorry for the false alarm :) On
unread,
unable to use rpm - task not in system?
well, whatever it was it's not happening on a fresh install... sorry for the false alarm :) On
Aug 19
Carl Marbach
, …
Johnny Billquist
12
Aug 18
Adding a vt100
First of all, don't make things so complicated. It makes it so hard to troubleshoot. Start of
unread,
Adding a vt100
First of all, don't make things so complicated. It makes it so hard to troubleshoot. Start of
Aug 18
Richard McDonald
, …
Johnny Billquist
12
Aug 18
Should 2.11 BSD Patch 493 be applied to PiDP11/70 installations?
Thanks Johnny, Terry, et. al. for explanations that are useful as well as informative. I will take
unread,
Should 2.11 BSD Patch 493 be applied to PiDP11/70 installations?
Thanks Johnny, Terry, et. al. for explanations that are useful as well as informative. I will take
Aug 18
Sytse van Slooten
, …
John Bruner
17
Aug 18
2.11BSD patch 490 causes issue in arp resolution
An interesting coincidence: when simh is using SLIRP for networking, the IP address does appear in
unread,
2.11BSD patch 490 causes issue in arp resolution
An interesting coincidence: when simh is using SLIRP for networking, the IP address does appear in
Aug 18
Mike Ross
, …
John Bruner
3
Aug 15
Unusual question
A software alternative is to change the duty cycle of the LEDs. Look at the table "
unread,
Unusual question
A software alternative is to change the duty cycle of the LEDs. Look at the table "
Aug 15
Bert Driehuis
, …
fr...@wortner.com
7
Aug 15
Microsoft Xenix
Many years ago, I thought I had a tape of PDP-11 Xenix in my attic. I also remember Lireboat
unread,
Microsoft Xenix
Many years ago, I thought I had a tape of PDP-11 Xenix in my attic. I also remember Lireboat
Aug 15
Johnny Billquist
, …
fr...@wortner.com
4
Aug 14
2.11BSD patch 491-494
The copies on tuhs.org are fine, as are the originals on ftp.2bsd.com. On Wednesday, August 13, 2025
unread,
2.11BSD patch 491-494
The copies on tuhs.org are fine, as are the originals on ftp.2bsd.com. On Wednesday, August 13, 2025
Aug 14
John Bruner
,
Johnny Billquist
2
Aug 13
can't send email to bugs@2bsd.com
You can send them to me, and I'll get talking with Steve if needed. Johnny On 2025-08-13 18:53,
unread,
can't send email to bugs@2bsd.com
You can send them to me, and I'll get talking with Steve if needed. Johnny On 2025-08-13 18:53,
Aug 13
Stephane Lajeunesse
Aug 5
2.11BSD disk image with ingres precompiled
Hi All, for anyone looking for a 2.11BSD disk image ready to use with ingres precompiled, you can go
unread,
2.11BSD disk image with ingres precompiled
Hi All, for anyone looking for a 2.11BSD disk image ready to use with ingres precompiled, you can go
Aug 5
Stephane Lajeunesse
,
Heinz-Bernd Eggenstein
4
Aug 5
issues compiling ingres - fails at ovqp
was able to compile and successfully build and query the demo database. Thanks for your help! I'
unread,
issues compiling ingres - fails at ovqp
was able to compile and successfully build and query the demo database. Thanks for your help! I'
Aug 5