yann64andClaude Opus 5.5
3eeabe9649
6,654 pages: 1,289 machines, 702 software, 460 companies, 64 history, 17 articles, 59 fun. 4,336 media files so far; references to files not downloaded yet are left out. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01YDRjtmAiNpo5mK5N3d7QwZ
171 lines
6.1 KiB
Markdown
171 lines
6.1 KiB
Markdown
---
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title: Robotron PC 1715
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categories:
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- Computers
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types:
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- Professional Computer
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origins:
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- Germany
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years:
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- '1985'
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cpus:
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- U880
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params:
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name: PC 1715
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company: /companies/robotron
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company_name: Robotron
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specs:
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- label: NAME
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value: PC 1715
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- label: MANUFACTURER
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value: Robotron
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- label: TYPE
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value: Professional Computer
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- label: ORIGIN
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value: Germany
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- label: YEAR
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value: '1985'
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- label: END OF PRODUCTION
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value: '1989'
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- label: BUILT IN LANGUAGE
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value: None
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- label: KEYBOARD
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value: Typewriter type, 97 keys with numeric keypad and 15 function keys
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- label: CPU
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value: U880 (Z80 clone)
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- label: SPEED
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value: 2.25 MHz
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- label: CO-PROCESSOR
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value: 'CRT controller : KR 580 WG 75 (Intel 8275)'
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- label: RAM
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value: 64 KB (theoricaly upgradable to 256 KB, but memory expansions never came)
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- label: ROM
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value: 2 KB
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- label: TEXT MODES
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value: 64 x 16, 80 x 24
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- label: GRAPHIC MODES
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value: None
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- label: COLORS
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value: Monochrome green phosphore
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- label: SOUND
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value: no sound device
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- label: SIZE / WEIGHT
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value: 50 (W) x 40 (D) x 14 (H) cm / 12.8 Kg
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- label: I/O PORTS
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value: Keyboard, printer (RS-232), V24, external drive
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- label: BUILT IN MEDIA
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value: 2 x 5''1/4 disk-drives (720 KB each)
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- label: OS
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value: SCP (CP/m-Clone)
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- label: POWER SUPPLY
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value: Built-in switching Power Supply Unit
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- label: PRICE
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value: 19,047 GDR Mark (GRD, 1986)
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tabs:
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- photos
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- links
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photos:
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- title: LARGE VIEW
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subtitle: ''
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text: Keyboard, main unit and display cases were of metal.
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image: null
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- title: SIDE VIEW
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subtitle: ''
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text: Nice and pure design.
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image: null
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- title: RUNNING
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subtitle: ''
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text: The Robotron 1715 is running a Czech version of WordStar.
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image: null
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- title: KEYBOARD CLOSE-UP
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subtitle: ''
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text: Note the 10 editing keys and the strange location of the F15 key.
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image: null
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- title: REAR PANEL
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subtitle: ''
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text: |-
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From left to right:\
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• Monitor's power socket\
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• Fuses and mains socket\
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• (top) External floppy drive connector\
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• Video output connector\
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• V24 connector\
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• Serial printer connector.
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image: null
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- title: INSIDE
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subtitle: ''
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text: |-
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**(1)** Large fan\
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**(2)** Manufacturing card\
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**(3)** Switching PSU\
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**(4)** Two NEC floppy disk drives, assembled in Germany under NEC licence\
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**(5)** Floppy drives controller card, covers a large part of the main board.
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image: null
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- title: MOTHERBOARD
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subtitle: ''
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text: |-
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**(1)** 64 KB RAM chips (32 x 4116)\
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**(2)** Siemens display controller\
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**(3)** Character generator ROM. A second sockets allows a second (extended) character generator to be added.\
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**(4)** I/O chips\
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**(5)** 2 KB BIOS ROM\
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**(6)** Z80 processor, Russian version\
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**(7)** Disk drives controller card connector.
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image: null
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- title: CZECH MANUFACTURING CARD
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subtitle: ''
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text: ''
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image: null
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links:
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- title: Robotron 1715 unofficial support page
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url: http://www.xepb.ru/robotron/index.html
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text: Very useful page with docs, download (boot disks), forum, sale/exchange, links.
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- title: www.robotrontechnik.de
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url: http://www.robotrontechnik.de/
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text: Very very complete and detailes website devoted to Robotron (in German).
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comments:
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- author: Jan Procházka (Czech Republic)
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date: Monday 8th May 2017
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text: |-
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Some software here:\
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http://www.kc85.de/Service/cpm_downl.html
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- author: Piotr (Poland)
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date: Thursday 7th August 2014
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text: 'Hej Przemek, je$$380$eli nadal masz go do sprzedania, napisz prosz$$281$ na adres: niubio $at$ gmail.com. Dzi$$281$ki :)'
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- author: Przemek (Poland)
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date: Thursday 23rd January 2014
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text: I have a Robotron 1715 FDD machine if you like$) I looks like new. Nobody knew what is was for many years.
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- author: Qdlaczian (Poland)
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date: Sunday 17th July 2011
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text: I own PC 1715 . Where can I get some software for it ? e.g. sytem disk ?
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- author: Exin
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date: Sunday 24th October 2010
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text: |-
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I have a PC 1715 W myself. (The 256KB Version is named PC1715W, not M.) These machines were usually shipped with CPZ/CPA. (A CPM copy with using the additional memory as a ram disk.)
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Also, both drives are not controlled the same way and you could only boot from one.
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1st drive is Double Density, the second one is Quad density. That means 360K for the first and 640K(or something, but not 720K) for the second. The second drive is mainly used to use strange disk formats. Like on the C128, you also had a program to format a Disk in various kind of formats.
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If you were supposed to do some CAD, a graphics card for the internal expansion port was "available". It was a huge card fitted onto the available slot of the normal mainboard. But i only heard of prototypes.
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oc_id: 864
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source:
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url: https://web.archive.org/web/20230607091245/http://www.old-computers.com/museum/computer.asp?c=864
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date: '2023-06-07'
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---
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The Robotron 1715 was designed in Eastern Germany and manufactured by VEB Robotron Büromaschinenwerk "Ernst Thälmann" in Sömmerda.
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It was based on a Z80 CPU (in fact Eastern clone U880), and used SCP, a CP/M compatible operating system. It was widely used in Russia and other East European countries for office and educational purposes.
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Although it didn't stand the comparison with Western PC systems, it was a very robust and reliable system daily used by numerous companies in every field. One of its main drawback is that it didn't have any graphic resolution.
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There were different models of the 1715, with different memory and floppy configurations. The **1715M** had 256 KB RAM and SCP3 (CP/M 3.0 clone) as its OS.\
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The 1715 was the direct successor of the Robotron A5120 and was fully software-compatible with it.
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---
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**Contributors :** Ruediger
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<table> <tr> <td></td> <td>We need more info about this computer ! If you designed, used, or have more info about this system, please send us pictures or anything you might find useful.</td> <td></td> </tr> </table>
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