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Sunday, June 15, 2025

NEW resources discovered by MacGuyver75 on Discord

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Note to self:   https://discord.com/channels/@me/983142503811256320/1383822439871680512 Sort through his posted resources, compare to your p...
Wednesday, April 9, 2025

Nixdorf 620 in a September 1983 Datapro publication

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September 1983 Datapro!  Archived by bitsavers in August 2016 http://www.bitsavers.org/pdf/datapro/programmable_terminals/Datapro_C21_Nixdor...
Tuesday, April 8, 2025

Nixdorf 620 Keystation with 0 | 00 | 000 keys found in Bremen - Blumenthal

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https://www.kleinanzeigen.de/s-anzeige/nixdorf-computer/3047787517-225-9 Beim Leer Räumen des alten Hauses gefunden ich sammel keine Antiqui...
Friday, March 14, 2025

ANOTHER Entrex Data/Scope (Nixdorf Keystation) for sale in Frankfurt, Germany

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Amazingly, within 2 weeks, ANOTHER one shows up on eBay!  €600 asking price this time. We're luck to see one of these on eBay ever, and ...
Friday, March 7, 2025

Wangco Model 10 - Tape Transport of choice for early Data General & Entrex 480 systems?

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HIGHEST Resolution HIGHEST Resolution Wangco_Mod_10_Brochure.pdf P-108_Entrex_System_380_Description.pdf
Monday, February 17, 2025

Entrex Data/Scope (Nixdorf Keystation) for sale in Peine, Germany

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Current Auction                                          Auction Archive Seller emg_regler51 Besides the fact that it is extremely clean, I ...
Saturday, January 4, 2025

More MERA 9150 hardware & manual resources found!

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By Cordylus System MERA 9150 Podręcznik Serwisowy Cz. 2
Monday, March 25, 2024

How the Entrex 480 / Nixdorf 620 Boots

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Reference decoded tapes verbose files on GitHub Forgotten Machines March 24, 2024 From Bruce Ray with Wild Hare Computer Systems / NovasAre...
Friday, March 22, 2024

Mera 7951 OM Terminal listed on eBay in Buk, Poland

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I've never seen one of these come up for sale on ebay, and yet, since March 2024, it has been listed, on and off.   It is now March 14, ...
Thursday, March 14, 2024

Nine-Track (9-track) 800bpi NRZI Format decoding

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I really appreciate the confirmation of 0x13, because the ANSI documentation you shared is "clear as mud" on this topic for me. I ...
Tuesday, March 12, 2024

Pertec 9-track Formatter "Key To Tape" device

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This device is NOT part of the Entrex 480 system,  but in order to understand a "Key-To-Disk" system like the Entrex 480,  here is...
Saturday, March 9, 2024

IBM 029 Keypunch Keyboard vs Entrex Data/Scope

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Compare this keyboard to the "029" keyboard option for the Entrex Data/Scopes (Keystations).  As the Entrex 480 advertisements sta...
Sunday, February 11, 2024

Entrex 480 / Nixdordf 620 System Operation Exploration (a list of screen menu options)

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 Recorded near Brussels Belgium November 2021: See Full Playlist And THIS is the tape that booted this system!
Friday, February 9, 2024

Original Early 1970s USA Entrex 480 Chassis Card Slots

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 This chassis was from the July 2020 Frenchtown, NJ Auction Digital Commputer Controls Model No. D-116B Serial No. 0293