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Manual regularly updated, download at
https://obsolescence.dev/
pidp10-sw/PiDP-10_Manual.pdf
. And run 'git pull' in your /opt/pidp10 directory for any sw updates!
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Lars Brinkhoff
, …
Michael Thompson
10
May 2
TOPS-20AN
Noah, As far as I know only the ADP modified KS10 systems had 1024kw of RAM. The rest were limited to
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TOPS-20AN
Noah, As far as I know only the ADP modified KS10 systems had 1024kw of RAM. The rest were limited to
May 2
Lars Brinkhoff
, …
wjegr...@gmail.com
22
May 2
Join me, together we can rule the ARPANET
My pidip-10 is currently doing nothing but idling, running ITS 24/7. I'm totally obsessed with
unread,
Join me, together we can rule the ARPANET
My pidip-10 is currently doing nothing but idling, running ITS 24/7. I'm totally obsessed with
May 2
Jeff Shrager
, …
David Todd
17
May 1
Seeking IPL-V on PDP-10 (or, for that matter, any of the retro systems)
Thanks, David. We know that IPL-V ran on other machines. There was even a PC version, written in
unread,
Seeking IPL-V on PDP-10 (or, for that matter, any of the retro systems)
Thanks, David. We know that IPL-V ran on other machines. There was even a PC version, written in
May 1
Curtis Smith (史國興)
,
oscarv
4
Apr 29
No lights after update
Oscar, I tried that, and even more: I moved the /opt/pido10 directory and did a complete install, but
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No lights after update
Oscar, I tried that, and even more: I moved the /opt/pido10 directory and did a complete install, but
Apr 29
R Clark
, …
Lars Brinkhoff
25
Apr 29
TYPE 340 round display question
This is a PDP-7 game using the Type 340. https://github.com/PDP-9/DUEL There's Spacewar for the
unread,
TYPE 340 round display question
This is a PDP-7 game using the Type 340. https://github.com/PDP-9/DUEL There's Spacewar for the
Apr 29
Luke Shiner
,
oscarv
4
Apr 28
LED and switch failure
Yes, I reflowed the GPIO connector and it's now working perfectly again. Thank you for asking, I
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LED and switch failure
Yes, I reflowed the GPIO connector and it's now working perfectly again. Thank you for asking, I
Apr 28
Steve Lewis
, …
oscarv
3
Apr 27
PiDP-10 odd issue with CON (slows down when doing a large window)
Steve, I'm not surprised, the little Teletype CON TTY program is very poorly written (by me). It
unread,
PiDP-10 odd issue with CON (slows down when doing a large window)
Steve, I'm not surprised, the little Teletype CON TTY program is very poorly written (by me). It
Apr 27
oscarv
Apr 27
Newsletter, Parts tester
All, With apologies for not being online as much as I should: The latest 'Newsletter' with a
unread,
Newsletter, Parts tester
All, With apologies for not being online as much as I should: The latest 'Newsletter' with a
Apr 27
Lars Brinkhoff
, …
Noah Smith
5
Apr 22
Blog series about TOPS-10
Hi John, thanks for this note, will contact you directly in a few minutes. We're getting ready
unread,
Blog series about TOPS-10
Hi John, thanks for this note, will contact you directly in a few minutes. We're getting ready
Apr 22
Steve Lewis
, …
Luke Shiner
3
Apr 18
RPi4 to RPi5 upgrades nots on PiDP-10
The RPi5 really does require a heatsink and fan. The official one is cheap and works great, highly
unread,
RPi4 to RPi5 upgrades nots on PiDP-10
The RPi5 really does require a heatsink and fan. The official one is cheap and works great, highly
Apr 18
Lars Brinkhoff
Apr 17
Chaosnet on TOPS-20 now considered stable
https://github.com/bictorv/tops20-chaos
unread,
Chaosnet on TOPS-20 now considered stable
https://github.com/bictorv/tops20-chaos
Apr 17
Steve Lewis
,
Eric Swenson
4
Apr 15
New PiDP-10 owner 2026 - working great, just have IMLAC issue
You could do your own multi-user simulation — just fire off a few host shells to connect to ITS with
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New PiDP-10 owner 2026 - working great, just have IMLAC issue
You could do your own multi-user simulation — just fire off a few host shells to connect to ITS with
Apr 15
Lars Brinkhoff
2
Apr 15
COLOR HACK
Some of the hacks use switches as input. However, it's not the regular console switches, but the
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COLOR HACK
Some of the hacks use switches as input. However, it's not the regular console switches, but the
Apr 15
briandenley
,
terri-...@glaver.org
2
Mar 14
Serial output from PiDP-10
On Tuesday, March 10, 2026 at 10:04:54 PM UTC-4 briandenley wrote: I would like to connect my PiDP-10
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Serial output from PiDP-10
On Tuesday, March 10, 2026 at 10:04:54 PM UTC-4 briandenley wrote: I would like to connect my PiDP-10
Mar 14
Harris Newman
Feb 28
Decwar clone
I've reversed engineered decwar in golang, it can run on a variety of platforms. The command line
unread,
Decwar clone
I've reversed engineered decwar in golang, it can run on a variety of platforms. The command line
Feb 28
Noah Smith
Feb 28
Picture of the UT Austin DEC10 (aka Decwar Mothership) around 1976
Title says it all - Enjoy!:) https://decwar.gitlab.io/blog/picture-of-the-ut-austin-dec-10-around-
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Picture of the UT Austin DEC10 (aka Decwar Mothership) around 1976
Title says it all - Enjoy!:) https://decwar.gitlab.io/blog/picture-of-the-ut-austin-dec-10-around-
Feb 28
Tony Nicholson
,
David Todd
4
Feb 18
TOPS-20 PANDA and Ethernet woes under PDP10-KL on Raspberry Pi OS Bookworm
Tony, On 2/17/26 3:33 PM, Tony Nicholson wrote: If the MAC address of a WLAN interface changes, it
unread,
TOPS-20 PANDA and Ethernet woes under PDP10-KL on Raspberry Pi OS Bookworm
Tony, On 2/17/26 3:33 PM, Tony Nicholson wrote: If the MAC address of a WLAN interface changes, it
Feb 18
Charles Ess
2
Feb 10
Color scope window not appearing on booting into ITS
Cancel red alert ... (ST:NG fans ...) The problem turned out to be that I was editing boot.pi in the
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Color scope window not appearing on booting into ITS
Cancel red alert ... (ST:NG fans ...) The problem turned out to be that I was editing boot.pi in the
Feb 10
DR
, …
Eric Brown
28
Feb 9
Now I have no BlinkenLitz
Something like a Unibone in reverse? Sent from my iPhone On Feb 8, 2026, at 6:00 PM, terri-...@glaver
unread,
Now I have no BlinkenLitz
Something like a Unibone in reverse? Sent from my iPhone On Feb 8, 2026, at 6:00 PM, terri-...@glaver
Feb 9
Layton Graye
, …
Malcolm Ray
14
Feb 4
Working PiDP-10 not loading TOPS-10, or ITS
Able to load TOPS-10, and ITS. Now ...to figure out how to get something out of those systems. Time
unread,
Working PiDP-10 not loading TOPS-10, or ITS
Able to load TOPS-10, and ITS. Now ...to figure out how to get something out of those systems. Time
Feb 4
Francis King
,
Lars Brinkhoff
3
Jan 31
Type 340 display problems
Hello Lars, Thank you for your comments. I agree that .DSTART would be more efficient. I'll try
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Type 340 display problems
Hello Lars, Thank you for your comments. I agree that .DSTART would be more efficient. I'll try
Jan 31
Harry Saal
,
Layton Graye
4
Jan 29
newly assembled PiDP-10 behaves as "headless": no blinky lights
If am running the Raspberry PI, and don't get blinky lights automatically. I have to run the test
unread,
newly assembled PiDP-10 behaves as "headless": no blinky lights
If am running the Raspberry PI, and don't get blinky lights automatically. I have to run the test
Jan 29
Charles Ess
Jan 24
noisy teletype no longer holding after recent re-install
Hi all, The microSD on my Raspi-5 began failing yesterday. I was able to use the Raspi SD card copier
unread,
noisy teletype no longer holding after recent re-install
Hi all, The microSD on my Raspi-5 began failing yesterday. I was able to use the Raspi SD card copier
Jan 24
Francis King
2
Jan 23
Display on a Type 340 display - Eureka!
I have written an assembler for the Type 340 display. It runs within MS Excel, and turns a sequence
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Display on a Type 340 display - Eureka!
I have written an assembler for the Type 340 display. It runs within MS Excel, and turns a sequence
Jan 23
Carl Marbach
, …
oscarv
36
12/31/25
minimum software
Yes - I pulled in all Richard's improvements. Next step, in January, will be to have a working
unread,
minimum software
Yes - I pulled in all Richard's improvements. Next step, in January, will be to have a working
12/31/25
Capnrob97
, …
Lars Brinkhoff
9
12/30/25
Question about possibility of host pi sending messages to the ITS teletype Model 33
I got the python script going to download the ABC News top stories RSS feed. The bottom teletype is
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Question about possibility of host pi sending messages to the ITS teletype Model 33
I got the python script going to download the ABC News top stories RSS feed. The bottom teletype is
12/30/25
oscarv
12/20/25
IMPORTANT: software update for Pi OS Trixie
So the new Pi OS 'Trixie' version came out, and it broke the PiDP-10. It should be fixed now
unread,
IMPORTANT: software update for Pi OS Trixie
So the new Pi OS 'Trixie' version came out, and it broke the PiDP-10. It should be fixed now
12/20/25
Francis King
, …
Lars Brinkhoff
23
12/19/25
Graphics programming on the PiDP-10
Francis King wrote: > Replacing LOOP: JUMPA LOOP with LOOP: JFCL .HANG, but this uses just as much
unread,
Graphics programming on the PiDP-10
Francis King wrote: > Replacing LOOP: JUMPA LOOP with LOOP: JFCL .HANG, but this uses just as much
12/19/25
Charley Jones
, …
Lars Brinkhoff
15
12/11/25
SHRDLU Source Code?
Eric wrote: I wish we had source to TWDEMO, but we don't. * disassembling sounds intensifies * In
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SHRDLU Source Code?
Eric wrote: I wish we had source to TWDEMO, but we don't. * disassembling sounds intensifies * In
12/11/25
John Francini
, …
Lars Brinkhoff
3
12/11/25
Happy DEC-10 day!
John Francini wrote: Just reviving a tradition that used to happen on Usenet and mailing lists. Happy
unread,
Happy DEC-10 day!
John Francini wrote: Just reviving a tradition that used to happen on Usenet and mailing lists. Happy
12/11/25