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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
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+---
+title: Hitachi MB-6885 / Basic Master Jr
+categories:
+- Computers
+types:
+- Home Computer
+origins:
+- Japan
+years:
+- '1982'
+cpus:
+- '6800'
+params:
+  name: MB-6885 / Basic Master Jr
+  company: /companies/hitachi
+  company_name: Hitachi
+  specs:
+  - label: NAME
+    value: MB-6885 / Basic Master Jr
+  - label: MANUFACTURER
+    value: Hitachi
+  - label: TYPE
+    value: Home Computer
+  - label: ORIGIN
+    value: Japan
+  - label: YEAR
+    value: '1982'
+  - label: BUILT IN LANGUAGE
+    value: Unknown
+  - label: KEYBOARD
+    value: Full-stroke keyboard
+  - label: CPU
+    value: '6800'
+  - label: SPEED
+    value: 0,8 MHz
+  - label: CO-PROCESSOR
+    value: Unknown
+  - label: RAM
+    value: 16 KB
+  - label: VRAM
+    value: Unknown
+  - label: ROM
+    value: 18KB
+  - label: TEXT MODES
+    value: 32 x 24
+  - label: GRAPHIC MODES
+    value: 64 x 48 / 256 x 192
+  - label: COLORS
+    value: '8'
+  - label: SOUND
+    value: 3 octaves
+  - label: I/O PORTS
+    value: Printer port, Cassette MT interface, Expansion bus(mainly used for the color extension box)
+  - label: POWER SUPPLY
+    value: Build-in PSU
+  - label: PRICE
+    value: 89,800 yens
+  tabs:
+  - photos
+  - adverts
+  photos:
+  - title: COMPLETE SET-UP
+    subtitle: ''
+    text: ''
+    image: null
+  adverts:
+  - title: AN ADVERTISING FOR THE BM JR
+    subtitle: ''
+    text: ''
+    image: null
+  comments:
+  - author: Hisayuki Nomura (Japan)
+    date: Thursday 10th December 2020
+    text: (I''''ll write this as a message because "Add Info" does not work) MB6885 was successor of MB6881 (Basic Master Level II 2) . This machine had 256x192 graphics feature. Color display was also available with optional color-graphics adapter. These new feature was great in "Basic Master Level2 series" but not enough in Japanese market. Hitachi thought the MB-6885 as a hobby computer. But the hobby computer market was a fierce battlefield with NEC (PC-6001) , VIC-1001(Commodore) , JR-100 (Panasonic) and etc. MB-6885 was too weak for that battlefield.
+  - author: Summy
+    date: Monday 23rd October 2017
+    text: |-
+      I had this one, so I add some information $\
+      Speed : 0.8MHz, VRAM : None(sharing the main memory), I/O ports : Printer port, Cassette MT interface, Expansion bus(mainly used for the color extension box), Power Supply : Build-in PSU\
+      As I mentioned, there isn’t a Video RAM, so both the micro processor and the video interface use the main memory using tricky techniques.\
+      Its BASIC language is fully compatible with the MB-6880 BASIC Master Level II. In general, it was suitable for beginners. This PC was never a major PC, but it’s my favorite.
+  oc_id: 329
+  source:
+    url: https://web.archive.org/web/20230501140028/http://www.old-computers.com/museum/computer.asp?c=329
+    date: '2023-05-01'
+---
+
+MB6885 was successor of MB6881 (Basic Master Level II 2).
+
+This machine had 256x192 graphics feature. Color display was also available with optional color-graphics adapter. These new feature was great in "Basic Master Level2 series" but not enough in Japanese market.
+
+There isn’t a Video RAM, so both the micro processor and the video interface use the main memory using tricky techniques.
+
+Hitachi thought the MB-6885 as a hobby computer. But the hobby computer market was a fierce battlefield with NEC (PC-6001) , VIC-1001(Commodore) , JR-100 (Panasonic) and etc. MB-6885 was too weak for that battlefield.
+
+Thanks to Hisayuki Nomura for the info
+
+<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>