About 5 years ago I saved these pics off eBay of what looked to me like an
Eastern Bloc PDP-11/15 console.
As I have a (rebadged) 11/15, I thought they were interesting.
These aren't my photos, I don't own them, saved for educational purposes only.
Hi all,
The Hungarian Central Institute of Physics (KFKI) in Soviet times
used to make PDP and VAX clones branded as "TPA":
http://hampage.hu/tpa/e_index.html
Kudos to Ákos Varga "Hamster", one of the earliest Hungarian
DEC collectors for preserving this information back in the '90s.
Regards,
On 2022-10-18 00:40, Douglas Taylor via cctalk wrote:
On 10/17/2022 2:57 PM, Bill Gunshannon via cctalk wrote:
On 10/17/22 14:47, Joshua Rice via cctalk wrote:
Hi all,
After some discussion on reddit about russian PDP-11 clones, i made
the (perhaps erronous) claim that the PDP series in
On 2022-10-18 3:36 p.m., Chris Zach via cctalk wrote:
Single package, multiple die. Same goes for F11.
And the MV1. And the MVII. And the 8200, CVAX, Rigel/etc
I think the NVAX was on a single chip
Ah, I didn't know there were so many multi-dies in the range! I wonder
if anyone
Wow, they even copied the DEC car handles of the flip-chip style!
Always interesting. You never want to clone so closely you wind up
cloning unintended "features". Like let's say there was a floating point
bug that could be triggered to cause a system crash if very unusual
things happened.
On 10/18/22 09:18, David Gesswein via cctalk wrote:
On Tue, Oct 18, 2022 at 09:45:30AM +0200, Holm Tiffe wrote:
There wasn't much demand to build an PDP8, 6 or 10, the 11 was much more
intersting. BTW: As far as I heard some of the russian ICBM's using
computers build from the more advanched
Single package, multiple die. Same goes for F11.
And the MV1. And the MVII. And the 8200, CVAX, Rigel/etc
I think the NVAX was on a single chip
etc.. which are all Single Chip PDP11's. DEC's only Single Chip CPU was
the T11.
J11?
KDF11?
I think the point has been made. :-)
C
On 2022-10-18 10:57 a.m., Paul Koning via cctalk wrote:
On Oct 18, 2022, at 10:01 AM, Toby Thain via cctalk
wrote:
On 2022-10-18 2:57 a.m., Holm Tiffe via cctalk wrote:
Paul Koning via cctalk wrote:
On Oct 17, 2022, at 2:47 PM, Joshua Rice via cctalk
wrote:
Hi all,
After some
c/w2hx-channel/videos
>
>
>
> -Original Message-
> From: Joshua Rice via cctalk
> Sent: Tuesday, October 18, 2022 7:52 AM
> To: General Discussion: On-Topic and Off-Topic Posts
> Cc: Joshua Rice
> Subject: [cctalk] Re: Soviet PDP clones
>
>
>
>
>
Joshua Rice via cctalk wrote:
>
> Hi,
>
> I apologise for any misunderstanding. By "clone", i didn't exactly mean
> a 1-to-1 copy, but more a reimplementation. Much like the term "IBM PC
> clone" is still used to describe non-IBM-derived PC designs.
Ok, sounds better, but the russians rolled
Toby Thain via cctalk wrote:
> On 2022-10-18 2:57 a.m., Holm Tiffe via cctalk wrote:
> > Paul Koning via cctalk wrote:
> >
> >>
> >>
> >>> On Oct 17, 2022, at 2:47 PM, Joshua Rice via cctalk
> >>> wrote:
> >>>
> >>> Hi all,
> >>>
> >>> After some discussion on reddit about russian PDP-11
On Tue, Oct 18, 2022 at 09:45:30AM +0200, Holm Tiffe wrote:
>
> There wasn't much demand to build an PDP8, 6 or 10, the 11 was much more
> intersting. BTW: As far as I heard some of the russian ICBM's using
> computers build from the more advanched russian "PDP11-clones".
>
Saratov-2 seems to
> On Oct 18, 2022, at 10:01 AM, Toby Thain via cctalk
> wrote:
>
> On 2022-10-18 2:57 a.m., Holm Tiffe via cctalk wrote:
>> Paul Koning via cctalk wrote:
>>>
>>>
On Oct 17, 2022, at 2:47 PM, Joshua Rice via cctalk
wrote:
Hi all,
After some discussion on
Subscribe to my Youtube Channel: https://www.youtube.com/c/w2hx-channel/videos
-Original Message-
From: Joshua Rice via cctalk
Sent: Tuesday, October 18, 2022 7:52 AM
To: General Discussion: On-Topic and Off-Topic Posts
Cc: Joshua Rice
Subject: [cctalk] Re: Soviet PDP clones
On 2022-10-18 2:57 a.m., Holm Tiffe via cctalk wrote:
Paul Koning via cctalk wrote:
On Oct 17, 2022, at 2:47 PM, Joshua Rice via cctalk
wrote:
Hi all,
After some discussion on reddit about russian PDP-11 clones, i made the
(perhaps erronous) claim that the PDP series in general was
On 18/10/2022 14:18, Paul Koning via cctalk wrote:
I assume the story about the message is accurate (I heard it from a senior guy
at DEC who should know) but that doesn't mean it was actually cloned. It seems
to be an engineer reaction to hearing about their earlier work being stolen.
> On Oct 18, 2022, at 2:57 AM, Holm Tiffe via cctalk
> wrote:
>
> Paul Koning via cctalk wrote:
>
>> ...
>>
>> You probably have heard of the CVAX chip, where on the mask in microscopic
>> lettering is the message, in Russian: "CVAX -- when you want to steal the
>> very best".
>
> Yes,
-- Original Message --
From: "Holm Tiffe via cctalk"
To: "General Discussion: On-Topic and Off-Topic Posts"
Cc: "Holm Tiffe"
Sent: Tuesday, 18 Oct, 2022 At 08:45
Subject: [cctalk] Re: Soviet PDP clones
Joshua Rice via cctalk wrote:
Hi all,
After s
Joshua Rice via cctalk wrote:
> Hi all,
>
> After some discussion on reddit about russian PDP-11 clones, i made the
> (perhaps erronous) claim that the PDP series in general was cloned by the
> Soviets.
>
> I’m aware that there was a lot of QBUS/LSI PDP-11 clones, and depite poor
>
Holm Tiffe via cctalk wrote:
[..]
For the GDR I don't know of any PDP8 clones, There was the "Kleinrechner
Systeme K4100 and K4200", don't know much about the first one, but the
2nd was compatible to the honeywell DDP516 Series, no clone in any way,
they are totally different from the in- and the
Paul Koning via cctalk wrote:
>
>
> > On Oct 17, 2022, at 2:47 PM, Joshua Rice via cctalk
> > wrote:
> >
> > Hi all,
> >
> > After some discussion on reddit about russian PDP-11 clones, i made the
> > (perhaps erronous) claim that the PDP series in general was cloned by the
> > Soviets.
IIRC a broker in Toronto was arrested for illegally shipping a black
market VAX to the USSR. The sad part of it was that it would have been
quote a legal end-use if the appropriate paperwork was done, but this
made it four times the price!,
Nigel Johnson, MSc., MIEEE, MCSE VE3ID/G4AJQ/VA3MCU
On 10/17/2022 2:57 PM, Bill Gunshannon via cctalk wrote:
On 10/17/22 14:47, Joshua Rice via cctalk wrote:
Hi all,
After some discussion on reddit about russian PDP-11 clones, i made
the (perhaps erronous) claim that the PDP series in general was
cloned by the Soviets.
I’m aware that there
> On Oct 17, 2022, at 2:47 PM, Joshua Rice via cctalk
> wrote:
>
> Hi all,
>
> After some discussion on reddit about russian PDP-11 clones, i made the
> (perhaps erronous) claim that the PDP series in general was cloned by the
> Soviets.
That's definitely accurate. I have seen
On 10/17/22 14:47, Joshua Rice via cctalk wrote:
Hi all,
After some discussion on reddit about russian PDP-11 clones, i made the
(perhaps erronous) claim that the PDP series in general was cloned by the
Soviets.
I’m aware that there was a lot of QBUS/LSI PDP-11 clones, and depite poor
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