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
69 lines
1.8 KiB
Markdown
69 lines
1.8 KiB
Markdown
---
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title: NEC PC 9801 F
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categories:
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- Computers
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types:
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- Home Computer
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origins:
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- Japan
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years:
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- '1983'
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cpus:
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- i8086-2
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params:
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name: PC 9801 F
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company: /companies/nec
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company_name: NEC
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specs:
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- label: NAME
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value: PC 9801 F
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- label: MANUFACTURER
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value: NEC
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- label: TYPE
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value: Home Computer
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- label: ORIGIN
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value: Japan
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- label: YEAR
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value: '1983'
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- label: KEYBOARD
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value: Full-stroke keyboard with separated numeric keypad and arrow keys
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- label: CPU
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value: i8086-2
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- label: SPEED
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value: 8 or 5 Mhz
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- label: RAM
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value: 128 kb (up to 640 kb)
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- label: VRAM
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value: 204 kb
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- label: ROM
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value: N88-Basic + Kanji
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- label: TEXT MODES
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value: 80x25 , 40 x 25 , 80 x 20 , 40 x 20
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- label: GRAPHIC MODES
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value: 640 x 400 with 8 colors. 2 virtual screens
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- label: COLORS
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value: '16'
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- label: SOUND
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value: One channel beeper. Built-in internal speaker
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- label: I/O PORTS
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value: C-Bus
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- label: BUILT IN MEDIA
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value: 2 x 5''1/4 disk-drives
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- label: OS
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value: MS-DOS , N88-Disk Basic (extended Basic for control FDD)
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oc_id: 404
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source:
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url: https://web.archive.org/web/20230602175506/http://www.old-computers.com/museum/computer.asp?c=404
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date: '2023-06-02'
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---
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The PC-9801 was a very popular PC in Japan. PC-9801's design was very similar to IBM-PC, but was slightly extended. VRAM (Video RAM) is strongly extended from original IBM-PC, enabling it to display kanji characters without bitmap memory (as ASCII characters). But I/O systems, Interrupt systems are almost the same.
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There were in fact three models : F1, F2 and F3. Whereas F1 & F2 models have only 128k RAM, the F3 had 256 kb RAM and 10 Mb hard-disk built-in.
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More info anyone ?
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---
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Thanks to Nomura Hisayuki for the info
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