Full content from the completed page crawl (media download still running)

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

content/museum/sega-teradrive.md

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+---
+title: Sega Teradrive
+categories:
+- Computers
+types:
+- Home Computer
+origins:
+- Japan
+years:
+- '1991'
+cpus:
+- Intel 80286
+params:
+  name: Teradrive
+  company: /companies/sega
+  company_name: Sega
+  specs:
+  - label: NAME
+    value: Teradrive
+  - label: MANUFACTURER
+    value: Sega
+  - label: TYPE
+    value: Home Computer
+  - label: ORIGIN
+    value: Japan
+  - label: YEAR
+    value: May 1991
+  - label: KEYBOARD
+    value: Full-stroke professional keyboard. 106 keys with function keys, cursor keys and numeric keypad
+  - label: CPU
+    value: Intel 80286 + Motorola MC68000 + Zilog Z80A (used for sound system)
+  - label: SPEED
+    value: 10 MHz (80286) / 10 MHz (68000) / 3.58 MHz (Z80A)
+  - label: CO-PROCESSOR
+    value: Megadrive customchips (?)
+  - label: RAM
+    value: 2.5 MB (512 KB onboard + two 1 MB SIMM RAMs)
+  - label: VRAM
+    value: 256 KB
+  - label: ROM
+    value: 128 KB
+  - label: TEXT MODES
+    value: 40 or 80 chars x 25 lines
+  - label: GRAPHIC MODES
+    value: 320 x 244 (Megadrive VDP Mode) / 320 x 200 (MCGA) / 640 x 480 (VGA)
+  - label: COLORS
+    value: 64 among 512 (Megadrive Mode) / 256 among 262144 (S/VGA Modes)
+  - label: SOUND
+    value: FM Sound / PCM Sound (Megadrive) - Beeper (PC)
+  - label: SIZE / WEIGHT
+    value: 36 (W) x 33.4 (D) x 8 (H) cm / 5.6 to 6.2 Kg according to versions
+  - label: I/O PORTS
+    value: RGB analog vide output, composite video output, 1 ISA slot, mouse, keyboard, serial (2) & parallel (1) ports, headphone output, 2 joystick ports
+  - label: BUILT IN MEDIA
+    value: 3.5'' disk-drive, 30 MB hard drive
+  - label: OS
+    value: DOS/V
+  - label: POWER SUPPLY
+    value: Built-in PSU
+  - label: PRICE
+    value: 148,000¥ (Mod.1), 188,000 ¥ (Mod.2), 248,000 (Mod.3) (Japan, 1991)
+  tabs:
+  - photos
+  - adverts
+  - connectors
+  - software
+  - links
+  - videos
+  photos:
+  - title: MAIN UNIT
+    subtitle: ''
+    text: ''
+    image: null
+  adverts:
+  - title: JAPANESE ADVERT (1991)
+    subtitle: ''
+    text: This japanese advert indicates that there were at least 3 different models sold...
+    image: null
+  connectors:
+  - title: SEGA TERADRIVE
+    subtitle: RGB monitor pinout
+    text: |-
+      1 - Red\
+      2 - Green\
+      3 - Blue\
+      4 - Horizontal/Composite Sync\
+      5 - Vertical Sync\
+      6 - Red Shield\
+      7 - Green Shield\
+      8 - Blue Shield\
+      9 - Ground
+    image: null
+  screenshots:
+  - title: BOOT SCREEN
+    subtitle: ''
+    text: Start-up menu with several options, including file manager, DOS, clock and MegaDrive mode.
+    image: null
+  links:
+  - title: Assembler - Teradrive page
+    url: http://assembler.roarvgm.com/teradrive/teradrive.html
+    text: Some pictures & info here
+  - title: Mic's homepage
+    url: http://www1.odn.ne.jp/~caa09810/old_pc/pc_tera.htm
+    text: Nice small japanese description
+  - title: nfg.2y.net - Teradrive page
+    url: http://nfg.2y.net/games/teradrive/
+    text: Another interesting page in English
+  - title: Qwerters Clinic
+    url: http://www.ai.wakwak.com/~ex4/kb/main_sega_teradrive.htm
+    text: Nice japanese page dedicated on the Teradrive's keyboard (!)
+  videos:
+  - title: Sega Teradrive - Japanese advert
+    url: http://video.google.com/googleplayer.swf?docId=-4391346534753818861&hl=fr
+    text: 'Length: 14 s'
+  comments:
+  - author: Tof
+    date: Saturday 22nd June 2019
+    text: |-
+      Hello\
+      Amstrad sold this type of computer too (in France for sure, rest of Europe I don''t know): Amstrad Mega-PC
+  - author: Linkman (TV commercial for Sega Terradrive)
+    date: Friday 3rd February 2006
+    text: |-
+      You wanna see tv commercial of this sega ?\
+      See this\
+      http://www.youtube.com/?v=mGYN_H_kAD0
+  - author: Trevor H. (USA)
+    date: Tuesday 30th April 2002
+    text: It is said that this is a very reliable computer, I also remember hearing that it was pretty popular in Japan, it was never released in the US, it could use any accesories developed for the PC XT because it used the ISA standard, it ran a version of Windows, possibly 3.1, and MS-DOS
+  - author: dakota (kop)
+    date: Sunday 28th April 2002
+    text: are you going to sell it
+  oc_id: 518
+  source:
+    url: https://web.archive.org/web/20230326085701/http://www.old-computers.com/museum/computer.asp?c=518
+    date: '2023-03-26'
+---
+
+What a strange computer ! It was built by IBM (like the [Atari Jaguar](/museum/atari-jaguar/) few years later) in Japan for Sega, and was sold only there.
+
+It is an [IBM PC AT](/museum/ibm-pc-at/) compatible system mixed with a Sega Megadrive (Genesis) console. On the front panel, one can find a Megadrive cartridge slot, two joystick connectors, a reset button, a MD/PC switch, a volume slider, a headphone output, a power button, keyboard/mouse connectors (PS/2) and one 3.5'' disk drive.
+
+Three models were released, a low-end **Model 1**, with 640k RAM and no HD, a **Model 2** with two floppies and no HD and 1MB RAM, and the high-end **Model 3**, with one floppy, 2.5MB RAM and a 30MB drive. All three shipped with the same software and accessories.
+
+Amstrad made later a similar computer called **MegaPC**.