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Discussion group for the PiDP-11.
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Three Jeeps
Apr 23
qbone and unibone availability
As of late, there has been several inquiries about obtaining a qbone and/or a unibone. Seems like all
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qbone and unibone availability
As of late, there has been several inquiries about obtaining a qbone and/or a unibone. Seems like all
Apr 23
Eric N
,
Johnny Billquist
4
Apr 22
Automatically adjust for Daylight Savings Time in RSX-11
Hi. On 2026-04-22 00:57, Eric N wrote: > This is great, thanks. I'll have to install your RSX-
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Automatically adjust for Daylight Savings Time in RSX-11
Hi. On 2026-04-22 00:57, Eric N wrote: > This is great, thanks. I'll have to install your RSX-
Apr 22
Rene Richarz
, …
Johnny Billquist
6
Apr 14
Tektronix 4010 emulator on PiDP-11 (2.11BSD)
The characters will pass just fine when you type the file. But you probably want to make sure wrap is
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Tektronix 4010 emulator on PiDP-11 (2.11BSD)
The characters will pass just fine when you type the file. But you probably want to make sure wrap is
Apr 14
steve...@gmail.com
, …
John Hudak
3
Apr 13
Interesting new YouTube video from Dave's Garage
Thanks....I like the presenters style and he is right on. In 1989-1990 I built and trained a 6 input
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Interesting new YouTube video from Dave's Garage
Thanks....I like the presenters style and he is right on. In 1989-1990 I built and trained a 6 input
Apr 13
Jack Wilkinson
, …
Johnny Billquist
10
Apr 8
APL for PiDP11 ??
Thank for reminding me, as well as filling in a bit more detail on the story. I only remember that I
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APL for PiDP11 ??
Thank for reminding me, as well as filling in a bit more detail on the story. I only remember that I
Apr 8
Johnny Billquist
, …
sunnybo...@gmail.com
21
Apr 8
2.11BSD ready to use image
Once I had the correct download (my problem, not anyone else's) I installed it as a separate
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2.11BSD ready to use image
Once I had the correct download (my problem, not anyone else's) I installed it as a separate
Apr 8
Paulo Rebordão
, …
Johnny Billquist
10
Apr 8
Boot settings for RSX-11
I had a look at Pieper's book and learned how to see and change permissions and it worked for me.
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Boot settings for RSX-11
I had a look at Pieper's book and learned how to see and change permissions and it worked for me.
Apr 8
Paulo Rebordão
,
Johnny Billquist
5
Apr 7
is WAIT affected by Throttle ?
That's strange. Nothing special about the WAIT in BASIC. It just have a timeout on the reading
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is WAIT affected by Throttle ?
That's strange. Nothing special about the WAIT in BASIC. It just have a timeout on the reading
Apr 7
Paulo Rebordão
, …
terri-...@glaver.org
6
Apr 4
Waiting for console Telnet connection
On Tuesday, March 31, 2026 at 10:38:50 AM UTC-5 John Bruner wrote: Accessing eth0 directly as non-
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Waiting for console Telnet connection
On Tuesday, March 31, 2026 at 10:38:50 AM UTC-5 John Bruner wrote: Accessing eth0 directly as non-
Apr 4
Paulo Rebordão
, …
Johnny Billquist
4
Apr 4
IP address in RSX
Sure. You can go and run IPCONFIG and change it "properly", or you can just disable DHCP
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IP address in RSX
Sure. You can go and run IPCONFIG and change it "properly", or you can just disable DHCP
Apr 4
Fleen
3
Apr 3
DEMOMON:- Showcase for PDP11
I've created a public repo if anyone would like to play with it: https://github.com/fergusleen/
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DEMOMON:- Showcase for PDP11
I've created a public repo if anyone would like to play with it: https://github.com/fergusleen/
Apr 3
Paulo Rebordão
, …
John D. Bruner
13
Apr 3
Two instances of PiDP-11 running ?
Understood finally. I didn't know of that possible behavior. A sexta-feira, 3 de abril de 2026 à(
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Two instances of PiDP-11 running ?
Understood finally. I didn't know of that possible behavior. A sexta-feira, 3 de abril de 2026 à(
Apr 3
Paulo Rebordão
, …
Lawrence Fisher (RealTimeCat)
12
Apr 1
Trying a new hack... and not understanding the instructions
Correction, the to A/D converts are the AA11-K and the AD11-K On Wednesday, April 1, 2026 at 11:45:17
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Trying a new hack... and not understanding the instructions
Correction, the to A/D converts are the AA11-K and the AD11-K On Wednesday, April 1, 2026 at 11:45:17
Apr 1
Paulo Rebordão
,
Johnny Billquist
3
Mar 30
Where are the boot options stored ?
Thx Johnny A segunda-feira, 30 de março de 2026 à(s) 09:51:33 UTC+1, b...@softjar.se escreveu: /opt/
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Where are the boot options stored ?
Thx Johnny A segunda-feira, 30 de março de 2026 à(s) 09:51:33 UTC+1, b...@softjar.se escreveu: /opt/
Mar 30
Hugh Fisher
, …
John H. Reinhardt
13
Mar 28
PiDP-11 and Pi Zero 2 W - recent experiences?
[Accidentally sent directly to Whit] On 3/28/2026 1:35 PM, Whit Turner wrote: > Prices are getting
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PiDP-11 and Pi Zero 2 W - recent experiences?
[Accidentally sent directly to Whit] On 3/28/2026 1:35 PM, Whit Turner wrote: > Prices are getting
Mar 28
sunnybo...@gmail.com
,
Ken Hansen
2
Mar 28
Possible interesting find on FB
Two CPU cards? 4x 4K and one 64K memory card... Is this two PDP 11/03 systems in one chassis? Ken
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Possible interesting find on FB
Two CPU cards? 4x 4K and one 64K memory card... Is this two PDP 11/03 systems in one chassis? Ken
Mar 28
Fleen
, …
Clem Cole
5
Mar 28
Software on PDP11/32 in TNMOC Uk
You could be right. They were related. I'd gave to ask one of the RSX folks, but I've lost
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Software on PDP11/32 in TNMOC Uk
You could be right. They were related. I'd gave to ask one of the RSX folks, but I've lost
Mar 28
johntk...@gmail.com
,
steve...@gmail.com
2
Mar 28
Group-build of PiDP-11 in Seattle
I've built 2 PiDP-11/70s already. I don't have any intention of building another one (for now
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Group-build of PiDP-11 in Seattle
I've built 2 PiDP-11/70s already. I don't have any intention of building another one (for now
Mar 28
Paulo Rebordão
, …
Johnny Billquist
16
Mar 27
Using the keyswitch for shutdown
I'm also a bit curious about how well simh manage to save and restore I/O in progress, as simh do
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Using the keyswitch for shutdown
I'm also a bit curious about how well simh manage to save and restore I/O in progress, as simh do
Mar 27
John D. Bruner
,
Roman Nissa
2
Mar 25
ksh for 2.11BSD
That gave me quite the inspiration. I already have a working doas-workalike (based on the openbsd
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ksh for 2.11BSD
That gave me quite the inspiration. I already have a working doas-workalike (based on the openbsd
Mar 25
Paulo Rebordão
, …
Warner Losh
17
Mar 19
RSX getting slow
On Thu, Mar 19, 2026 at 8:04 AM Steven A. Falco <steve...@gmail.com> wrote: I recommend
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RSX getting slow
On Thu, Mar 19, 2026 at 8:04 AM Steven A. Falco <steve...@gmail.com> wrote: I recommend
Mar 19
Gary Robertson
, …
terri-...@glaver.org
5
Mar 14
Terminals
On Saturday, March 14, 2026 at 10:14:59 PM UTC-4 terri-...@glaver.org wrote: I apologize for the
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Terminals
On Saturday, March 14, 2026 at 10:14:59 PM UTC-4 terri-...@glaver.org wrote: I apologize for the
Mar 14
sunnybo...@gmail.com
, …
Manfred Koethe
10
Mar 13
Suggestions & Advice for (much) older PiDP-11
Another storage option is the Transcend ESD310, which is a real SSD in the form factor of an USB
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Suggestions & Advice for (much) older PiDP-11
Another storage option is the Transcend ESD310, which is a real SSD in the form factor of an USB
Mar 13
Dwain Sims
, …
Clem Cole
5
Mar 11
Pi to BSD 2.11 Networking
Adam - You beat me to it. I do something similar on my PiDP-11, but I never need some of your
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Pi to BSD 2.11 Networking
Adam - You beat me to it. I do something similar on my PiDP-11, but I never need some of your
Mar 11
terri-...@glaver.org
, …
DR
9
Mar 10
A full RSTS/E V10.0 documentation set in PDF format is now available
On Tuesday, March 10, 2026 at 7:39:04 PM UTC-4 daleea...@gmail.com wrote: The scanning process is of
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A full RSTS/E V10.0 documentation set in PDF format is now available
On Tuesday, March 10, 2026 at 7:39:04 PM UTC-4 daleea...@gmail.com wrote: The scanning process is of
Mar 10
Henk Gooijen
Mar 6
source for knobs as used on the PDP8/e, PC05 and the LPS-11 ?
Greetz! I am searching for small knobs that fit on potentiometers with a 4 mm shaft. They should look
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source for knobs as used on the PDP8/e, PC05 and the LPS-11 ?
Greetz! I am searching for small knobs that fit on potentiometers with a 4 mm shaft. They should look
Mar 6
Robert Weissburg
, …
terri-...@glaver.org
9
Mar 3
how do I connect to my PiDP11 on LAN in Xterm( or whatever) if it doesn't show up in Network Scan with SSH able
On Tuesday, March 3, 2026 at 9:16:22 PM UTC-5 rpd...@gmail.com wrote: Thanks for you response. I set
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how do I connect to my PiDP11 on LAN in Xterm( or whatever) if it doesn't show up in Network Scan with SSH able
On Tuesday, March 3, 2026 at 9:16:22 PM UTC-5 rpd...@gmail.com wrote: Thanks for you response. I set
Mar 3
Curtis Dean Smith
, …
Pete Hartman
3
Mar 1
Re: [PiDP-11] Digest for pidp-11@googlegroups.com - 1 update in 1 topic
I agree, mine did not take long to get here. I'm in the greater Chicago area, so it is more
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Re: [PiDP-11] Digest for pidp-11@googlegroups.com - 1 update in 1 topic
I agree, mine did not take long to get here. I'm in the greater Chicago area, so it is more
Mar 1
Andrew Barron
, …
Randy E (OoMOR)
23
Feb 28
A new book about the PiDP-11
I was wondering the same thing. There seem to be a LOT of PiDP-11 books on Amazon and I suspect most
unread,
A new book about the PiDP-11
I was wondering the same thing. There seem to be a LOT of PiDP-11 books on Amazon and I suspect most
Feb 28
terri-...@glaver.org
, …
Clem Cole
19
Feb 20
Possible new default wallpaper for your PiDP-11 desktop
below: On Fri, Feb 20, 2026 at 1:36 AM terri-...@glaver.org <terri-...@glaver.org> wrote:
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Possible new default wallpaper for your PiDP-11 desktop
below: On Fri, Feb 20, 2026 at 1:36 AM terri-...@glaver.org <terri-...@glaver.org> wrote:
Feb 20