All machines linked to their forum thread (full comment import)
1,289 discussions, 9,527 archived comments; pages no longer carry the comments themselves. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01YDRjtmAiNpo5mK5N3d7QwZ
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@@ -74,6 +74,7 @@ params:
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- photos
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- hardware
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- links
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forum_thread: 491
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photos:
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- title: MERITUM MODEL 2
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subtitle: ''
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@@ -146,34 +147,6 @@ params:
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- title: Dziennik Mi³oœnika Polskich Komputerów
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url: http://www.elwro.zafriko.pl/kat/mikrokomputery/mera_elzab_meritum_i
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text: This polish museum has some information (in polish) and some pictures
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comments:
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- author: MCbx (Poland)
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date: Tuesday 26th July 2016
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text: |-
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About these countries, a small correction:\
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1\. Floppy disk drives were Hungarian (very high fault rate) and later German. Theoretically they could be Bulgarian, as Bulgaria manufactured FDDs and disks these times. Eastern German 5.25" FDDs were mostly quite nicely working clones of Japanese Teacs.\
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2\. Keyboard and case is Polish, as well as some chips made by Unitra CEMI and rarely TOMI. Keyboard is reed switch-based.\
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3\. Many Meritum units have K565RU\* memory chips, Soviet, not Bulgarian (has Bulgaria made memory chips these times?). 64K units may have Japanese/western chips as it was easier to get through bureaucracy and buy expensive western parts than to buy dense RAM from SU and slash yourself performing quality control again (Soviet export-grade chips had terrible quality control). Generally in silicon, chips in computers from Eastern block are East German (Z80-land VLSI chips), Polish (TTLs, rarely SRAM) or Soviet (all kinds), in some cases western/Japanese. Rarely Romanian (CMOS).
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- author: Grzegorz (Poland)
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date: Thursday 6th September 2012
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text: '"A Meritum III was released and shown on Poznan fair 1986, but apparently wasn''''t produced." - it''''s not true. I have one. Elwro probably produced about 100 computers. I suppose still exist about 5-6 pcs.'
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- author: Marek
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date: Saturday 24th September 2011
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text: |-
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I have this computer with improved ROMs - experimental serial interface based network management software is added and memory is expanded to 64K. Not always Bulgarian - sometimes there were Soviet. I heard about a few ROMs in this computer:\
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First one, asks "MEMORY SIZE", it''s the first one.\
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Next one, asks "OBSZAR PAO", it''s the most common one.\
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My version asks "MEMORY SIZE" and displays "OETO-POL.SL.NET-BASIC" or something like that - it''s an experimental networking system, maybe one shown in technological exhibition in Bulgaria (?Plovdiv?). Network extensions are started by NET command.\
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Another version tries to boot from floppy and if it''s impossible jumps to monitor. I don''t know anything about it except I have a photo of it running (from internet auction).
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- author: Thomsonicus (Poland)
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date: Sunday 27th August 2006
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text: This piece of hi-tek computing wasn't really popular/widely spread in Poland. Even in 1983 it was deemed out-of-date and the main decision to produce it was probably because of the ease of constructing it in the communist Poland at that date :( Remember all commie countries were blocked from western technologies those days. Nevertheless certain laws were bent and we had western Z80 with a changed name etc.
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- author: szymex_software (Polska)
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date: Tuesday 1st February 2005
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text: o kurcze... nie mają polskiej stony kodowej ;)
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- author: szymex_software (Polska)
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date: Tuesday 1st February 2005
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text: Kto by pomyślał - całkiem niezły komputerek, ale chyba zawalili sprawę że się u nas zabradzo nie przyjoł.
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oc_id: 497
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source:
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url: https://web.archive.org/web/20230201125733/http://www.old-computers.com/museum/computer.asp?c=497
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