Re: off topic - capatob - saratov2 computer Russsian pdp8? HELP

Hi again Olafs also found this: http://www.nedopc.org/forum/viewtopic.php?t=9778 Unless you know russian, maybe you can use google translate. Regards, Pontus. On Tue, Jan 08, 2019 at 11:06:12AM +0100, Pontus Pihlgren via cctalk wrote: > Hi Iain > > I asked a guy from Latvia that I know,

Re: off topic - capatob - saratov2 computer Russsian pdp8? HELP

Hi Iain I asked a guy from Latvia that I know, Olafs. He recognized the transistors as KT315 A and B. Collector is middle pin. https://en.wikipedia.org/wiki/KT315 He might also be able to help with spare lights, contact me off-list. Unfortunately he has no documentation. /P On Sat, Jan 05,

Re: off topic - capatob - saratov2 computer Russsian pdp8? HELP

On Mon, Jan 7, 2019 at 8:51 AM Peter Corlett via cctalk < cctalk@classiccmp.org> wrote: > Thanks to inflation, $0.25 in 1972 is worth $1.51 now. Likewise, $1.25 has > inflated to $7.54. So they're cheaper in real terms than they used to be. > > However, it's still not entirely comparable, as I

Re: off topic - capatob - saratov2 computer Russsian pdp8? HELP

On Sun, Jan 06, 2019 at 02:54:08PM -0700, ben via cctalk wrote: > On 1/6/2019 12:24 PM, allison via cctalk wrote: >> The small beauty of being there...   FYI back then (1972) a 7400 was about >> 25 cents and 7483 adder was maybe $1.25.  Least that's what I paid. > Checks my favorite supplier. >

Re: off topic - capatob - saratov2 computer Russsian pdp8? HELP

> - some marketing person made it up You believed them? Have your head examined. > - they were only counting things that were general-purpose (i.e. came with > mass storage and compilers) Conditions, conditions. > - they didn't consider micros as "computers" (many were used in things like >

Re: off topic - capatob - saratov2 computer Russsian pdp8? HELP

> From: William Donzelli >> in 1980, there were more PDP-11's, world-wide, than any other kind of >> computer. > I bet the guys at Zilog might have something to talk to you about. I was quoting my memory of a DEC ad in the WSJ, which now that I go check, says the -11 was "the

Re: off topic - capatob - saratov2 computer Russsian pdp8? HELP

On 1/6/2019 12:24 PM, allison via cctalk wrote: The small beauty of being there...   FYI back then (1972) a 7400 was about 25 cents and 7483 adder was maybe $1.25.  Least that's what I paid. Checks my favorite supplier. $1.25 for 7400 and $4.00 for a 7483. It has gone up in price. Allison

Re: off topic - capatob - saratov2 computer Russsian pdp8? HELP

On 01/06/2019 01:54 PM, William Donzelli via cctalk wrote: >> And then the PDP-11 put the nail in that coffin (and in 1980, there were more >> PDP-11's, world-wide, than any other kind of computer). > I bet the guys at Zilog might have something to talk to you about. > > -- > Will And Intel!  8008

Re: off topic - capatob - saratov2 computer Russsian pdp8? HELP

On 01/06/2019 02:08 PM, Grant Taylor via cctalk wrote: > On 1/6/19 11:25 AM, Guy Sotomayor Jr via cctalk wrote: >> I think it’s also telling that the IETF uses the term octet in all of >> the specifications to refer to 8-bit sized data.  As “byte” (from >> older machines) could be anything and is

Re: off topic - capatob - saratov2 computer Russsian pdp8? HELP

On 01/06/2019 01:19 PM, Noel Chiappa via cctalk wrote: > > From: Grant Taylor > > > Is "byte" the correct term for 6-bits? I thought a "byte" had always > > been 8-bits. > > I don't claim wide familiary with architectural jargon from the early days, > but the PDP-10 at least (I don't

Re: off topic - capatob - saratov2 computer Russsian pdp8? HELP

On 1/6/19 11:25 AM, Guy Sotomayor Jr via cctalk wrote: I think it’s also telling that the IETF uses the term octet in all of the specifications to refer to 8-bit sized data. As “byte” (from older machines) could be anything and is thus somewhat ambiguous. It *may* have been the IBM 360 that

Re: off topic - capatob - saratov2 computer Russsian pdp8? HELP

> And then the PDP-11 put the nail in that coffin (and in 1980, there were more > PDP-11's, world-wide, than any other kind of computer). I bet the guys at Zilog might have something to talk to you about. -- Will

Re: off topic - capatob - saratov2 computer Russsian pdp8? HELP

> From: Guy Sotomayor Jr > I think it's also telling that the IETF uses the term octet in all of > the specifications to refer to 8-bit sized data. Yes; at the time the TCP/IP specs were done, PDP-10's were still probably the most numerous machines on the 'net, so we were careful to

Re: off topic - capatob - saratov2 computer Russsian pdp8? HELP

I think it’s also telling that the IETF uses the term octet in all of the specifications to refer to 8-bit sized data. As “byte” (from older machines) could be anything and is thus somewhat ambiguous. It *may* have been the IBM 360 that started the trend of Byte == 8-bits as the 360’s memory

Re: off topic - capatob - saratov2 computer Russsian pdp8? HELP

> From: Grant Taylor > Is "byte" the correct term for 6-bits? I thought a "byte" had always > been 8-bits. I don't claim wide familiary with architectural jargon from the early days, but the PDP-10 at least (I don't know about other prominent 36-bit machines such as the IBM

Re: off topic - capatob - saratov2 computer Russsian pdp8? HELP

On 1/6/19 7:08 AM, Bob Smith via cctalk wrote: What is called the 8 is really based on the 5, used 6-bit bytes, 12 bit words, and was Octal based Is "byte" the correct term for 6-bits? I thought a "byte" had always been 8-bits. But I started paying attention in the '90s, so I missed a lot.

Re: off topic - capatob - saratov2 computer Russsian pdp8? HELP

https://hapoc2015.sciencesconf.org/file/176702 gives a Little more history on Soviet copies of computers. The timing of the production of the Capatob 2 seems to make it a PDP8/L clone, not an M. What is called the 8 is really based on the 5, used 6-bit bytes, 12 bit words, and was Octal based -

off topic - capatob - saratov2 computer Russsian pdp8? HELP

Off topic, but looking for help and/or wisdom. If you visit https://www.scotnet.co.uk/iain/saratov / you will see some photos and wire-lists of work that I have started on the front panel of a Capatob 2. I plan to get