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Re: Anybody out there?

From Tauno Voipio <tauno.voipio@notused.fi.invalid>
Newsgroups comp.sys.raspberry-pi
Subject Re: Anybody out there?
Date 2015-09-19 19:51 +0300
Organization A noiseless patient Spider
Message-ID <mtk3m1$qe9$1@dont-email.me> (permalink)
References (1 earlier) <h7vtcc-m93.ln1@zuhause.moendjen.selfhost.eu> <mthlar$8ih$1@news.albasani.net> <mthnl8$rdb$1@dont-email.me> <1781635872464305228.334451mjmahon-aol.com@news.giganews.com> <mtjv7i$8fd$2@dont-email.me>

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On 19.9.15 18:35, rickman wrote:
> On 9/18/2015 5:49 PM, Michael J. Mahon wrote:
>> rickman <gnuarm@gmail.com> wrote:
>>> On 9/18/2015 2:31 PM, The Natural Philosopher wrote:
>>>> On 18/09/15 18:45, Norbert Möndjen wrote:
>>>>> F8BOE wrote:
>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> The RPi or even the RPi2 as a full featured computer... You can
>>>>>> forget it!
>>>>>> The RPi2 with Ubuntu Mate is slower than my P III 800MHz 512MB RAM
>>>>>> (Dell
>>>>>> GX110) running Mageia... OK wrong example... Perhaps.
>>>>>
>>>>>    I have been grown up with zx81, cpc64, commodores c64, amigas and
>>>>> all that
>>>>> stuff. Yes they was full fetured computers which have done a lot of
>>>>> work.
>>>>> Even the first PCs on 8088 or 8086 Basis have done a lot of work and
>>>>> would
>>>>> be still able to do most of the buisness nowerdays. That people get so
>>>>> stupid and lost there imagination so far that they need for every
>>>>> small shit
>>>>> a graphical help is a pitty. Up til now nobody could tell me why I
>>>>> need for
>>>>> EMail, Calculations, Texting or similar things a graphical System.
>>>>> Infact
>>>>> with a Standardeditor and a bit of Tex I am finished in a tenth of the
>>>>> time.
>>>>> Yes I am now using a full featured computer with all the shiny things
>>>>> just
>>>>> for fun. But I am working in the embedded computing area and trust me
>>>>> what
>>>>> we are doing with hardware which is even less powerfull than the
>>>>> raspberry
>>>>> is astonishing. 2018 we will start a programm to launsch 900
>>>>> satelittes to
>>>>> put cheap internet all over the world. Each satelitte must be below
>>>>> 50Kg and
>>>>> have a powerconsumption below 20W. That is a call for embedded
>>>>> computing.
>>>>> :-)
>>>>>
>>>>> Ciao Nobbe
>>>>>
>>>> +1000
>>>> A PDP/11 could have been outperformed by an 8086 with 128Mbyte of
>>>> RAM if
>>>> it had had Unix on it...
>>>>
>>>> And IIRC those PDPS are still there controlling all sorts of industrial
>>>> kit.
>>>
>>> I think that is a bit of a stretch.  The last PDP11 I saw was on a piece
>>> of electronic assembly equipment going to the dump some 10 years ago.
>>
>> Probably true for electronic assembly equipment; less true for paper
>> mills...
>>
>> There are still stories of Apple II's being used in process control
>> and lab
>> automation--and even the occasional veterinary office. ;-)
>>
>> "If it ain't broke, don't fix it."
>
> How do they fix them when they *do* break?  No computer runs forever.  I
> can't see how the Nuke plants could be running on PDP11s.  They haven't
> been made for decades.  Where do they get their spares?


You need some bars of TTL. In an emergency, most can be replaced with
74HCT's. A stiffer problem is if somebody breaks a panel switch.

A couple of years ago, I was summoned to a paper mill to mend their
PDP-11. The cure was one 74LS00. It seemed that the biggest problem
was to find somebody still remembering and understanding the computer.

-- 

-TV

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Thread

Anybody out there? F8BOE <f8boe@bluemail.ch> - 2015-09-16 10:20 +0200
  Re: Anybody out there? Rob <nomail@example.com> - 2015-09-16 08:40 +0000
  Re: Anybody out there? David Taylor <david-taylor@blueyonder.co.uk.invalid> - 2015-09-16 09:51 +0100
    Re: Anybody out there? Dave Higton <dave@davehigton.me.uk> - 2015-09-16 20:12 +0100
  Re: Anybody out there? Gordon Henderson <gordon+usenet@drogon.net> - 2015-09-16 09:26 +0000
    Re: Anybody out there? alister <alister.nospam.ware@ntlworld.com> - 2015-09-16 11:46 +0000
      Re: Anybody out there? rickman <gnuarm@gmail.com> - 2015-09-16 11:18 -0400
        Re: Anybody out there? alister <alister.nospam.ware@ntlworld.com> - 2015-09-16 17:39 +0000
          Re: Anybody out there? rickman <gnuarm@gmail.com> - 2015-09-16 13:52 -0400
            Re: Anybody out there? Björn Lundin <b.f.lundin@gmail.com> - 2015-09-16 20:58 +0200
              Re: Anybody out there? Stefan Enzinger <mindoms@aon.at> - 2015-09-18 00:32 +0200
              Re: Anybody out there? druck <news@druck.org.uk> - 2015-09-18 09:30 +0100
  Re: Anybody out there? Tony van der Hoff <tony@vanderhoff.org> - 2015-09-16 14:12 +0200
    Re: Anybody out there? Rob Morley <nospam@ntlworld.com> - 2015-09-16 16:02 +0100
    Re: Anybody out there? mm0fmf <none@mailinator.com> - 2015-09-16 17:58 +0100
      Re: Anybody out there? rickman <gnuarm@gmail.com> - 2015-09-16 13:56 -0400
  Re: Anybody out there? Norbert Möndjen <n.moendjen@vodafone.de> - 2015-09-18 19:45 +0200
    Re: Anybody out there? The Natural Philosopher <tnp@invalid.invalid> - 2015-09-18 19:31 +0100
      Re: Anybody out there? rickman <gnuarm@gmail.com> - 2015-09-18 15:13 -0400
        Re: Anybody out there? The Natural Philosopher <tnp@invalid.invalid> - 2015-09-18 22:05 +0100
          Re: Anybody out there? Michael J. Mahon <mjmahon@aol.com> - 2015-09-18 16:49 -0500
          Re: Anybody out there? Martin Gregorie <martin@address-in-sig.invalid> - 2015-09-18 22:40 +0000
          Re: Anybody out there? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2015-09-18 22:29 -0400
            Re: Anybody out there? David James <david@tcs01.demon.co.uk> - 2015-09-21 23:12 +0000
              Re: Anybody out there? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2015-09-21 19:42 -0400
                Re: Anybody out there? David James <david@tcs01.demon.co.uk> - 2015-09-21 23:53 +0000
        Re: Anybody out there? Michael J. Mahon <mjmahon@aol.com> - 2015-09-18 16:49 -0500
          Re: Anybody out there? rickman <gnuarm@gmail.com> - 2015-09-19 11:35 -0400
            Re: Anybody out there? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2015-09-19 19:51 +0300
              Re: Anybody out there? rickman <gnuarm@gmail.com> - 2015-09-19 13:10 -0400
                Re: Anybody out there? The Natural Philosopher <tnp@invalid.invalid> - 2015-09-20 10:07 +0100
            Re: Anybody out there? Gordon Henderson <gordon+usenet@drogon.net> - 2015-09-19 17:37 +0000
              Re: Anybody out there? rickman <gnuarm@gmail.com> - 2015-09-19 14:31 -0400
                Re: Anybody out there? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2015-09-19 23:09 -0400
                Re: Anybody out there? jeffj@panix.com (Jeff Jonas) - 2015-10-11 00:21 -0400
                Re: Anybody out there? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2015-10-11 12:09 -0400
            Re: Anybody out there? Michael J. Mahon <mjmahon@aol.com> - 2015-09-19 14:35 -0500
            Re: Anybody out there? The Natural Philosopher <tnp@invalid.invalid> - 2015-09-20 10:05 +0100
              Re: Anybody out there? mm0fmf <none@mailinator.com> - 2015-09-20 10:56 +0100
              Re: Anybody out there? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2015-09-20 10:31 -0400
                Re: Anybody out there? rickman <gnuarm@gmail.com> - 2015-09-20 11:12 -0400
                Re: Anybody out there? jake <jake@127.0.0.1> - 2015-09-28 18:28 +0100
                Re: Anybody out there? Alan Adams <alan@adamshome.org.uk> - 2015-09-28 20:33 +0100
                Re: Anybody out there? Paul <paul@pcserviceselectronics.co.uk> - 2015-09-20 17:15 +0100

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