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IBM 5550
IBM 5550 is a personal computer series that IBM marketed in Japan, Korea, Taiwan and China in the 1980s and 1990s, for business use customers. In Japan, it was introduced in 1983 and promoted as "Multistation 5550 (マルチステーション5550)" because it had three roles in one machine: a PC, a word processing machine which was traditionally marketed as a machine different from a PC in Japan, and an IBM-host attached terminal.
The IBM PC that had been marketed by IBM since 1981, using Intel 8088, was not powerful enough to process the far eastern languages of Japanese, Korean and Chinese. Nor was the resolution of IBM PC's display high enough to show the complex characters of these languages.
The IBM 5550 was first introduced in Japan in March 1983, using Intel 8086 microprocessor and was called "Multistation 5550" because it had three roles in one machine: a PC, a word processing machine which was traditionally marketed in Japan as a machine different from a PC, and an online terminal.
After the Japanese 5550 models, Korean, Traditional Chinese and Simplified Chinese models were also introduced. IBM 5550 initially used its own architecture, but, later since 1987, was changed to use IBM Personal System/2's Micro Channel Architecture, being renamed as Personal System/55.
In Japan, Kiyoshi Atsumi, a film actor, was used to promote the 5550. IBM later introduced IBM JX for home users in Japan, Australia and New Zealand, and DOS/V for both business and home users in Japan.
The 5550 was originally planned as a terminal with a combination of word processing and personal computing targeted for Japanese computer market. To display 24 dots Mincho kanji typeface which was also used in many Japanese word processing machines, the 5550 had high display resolution such as a 1024×768 pixel graphic screen. The first model of 5550 was designed to read a display font from an external storage for multilingual support, including Chinese and Korean languages.
The 5550 fulfills three roles, via the following components:
The original Bunsho Program and emulators booted from a floppy disk without Nihongo DOS. They used a proprietary disk format which couldn't be read from Nihongo DOS, so users had to replace floppy disks or set the boot partition to switch between two programs. Also, they had to use a conversion program to exchange data. Later, they were ported for Nihongo DOS, and functions were gradually implemented. 3270 Kanji Emulation, 5250 Kanji Emulation and Bunsho Program were superseded by Nihongo 3270 PC in October 1983, Nihongo 5250 PC in September 1984 and DOS Bunsho Program in May 1986.
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IBM 5550
IBM 5550 is a personal computer series that IBM marketed in Japan, Korea, Taiwan and China in the 1980s and 1990s, for business use customers. In Japan, it was introduced in 1983 and promoted as "Multistation 5550 (マルチステーション5550)" because it had three roles in one machine: a PC, a word processing machine which was traditionally marketed as a machine different from a PC in Japan, and an IBM-host attached terminal.
The IBM PC that had been marketed by IBM since 1981, using Intel 8088, was not powerful enough to process the far eastern languages of Japanese, Korean and Chinese. Nor was the resolution of IBM PC's display high enough to show the complex characters of these languages.
The IBM 5550 was first introduced in Japan in March 1983, using Intel 8086 microprocessor and was called "Multistation 5550" because it had three roles in one machine: a PC, a word processing machine which was traditionally marketed in Japan as a machine different from a PC, and an online terminal.
After the Japanese 5550 models, Korean, Traditional Chinese and Simplified Chinese models were also introduced. IBM 5550 initially used its own architecture, but, later since 1987, was changed to use IBM Personal System/2's Micro Channel Architecture, being renamed as Personal System/55.
In Japan, Kiyoshi Atsumi, a film actor, was used to promote the 5550. IBM later introduced IBM JX for home users in Japan, Australia and New Zealand, and DOS/V for both business and home users in Japan.
The 5550 was originally planned as a terminal with a combination of word processing and personal computing targeted for Japanese computer market. To display 24 dots Mincho kanji typeface which was also used in many Japanese word processing machines, the 5550 had high display resolution such as a 1024×768 pixel graphic screen. The first model of 5550 was designed to read a display font from an external storage for multilingual support, including Chinese and Korean languages.
The 5550 fulfills three roles, via the following components:
The original Bunsho Program and emulators booted from a floppy disk without Nihongo DOS. They used a proprietary disk format which couldn't be read from Nihongo DOS, so users had to replace floppy disks or set the boot partition to switch between two programs. Also, they had to use a conversion program to exchange data. Later, they were ported for Nihongo DOS, and functions were gradually implemented. 3270 Kanji Emulation, 5250 Kanji Emulation and Bunsho Program were superseded by Nihongo 3270 PC in October 1983, Nihongo 5250 PC in September 1984 and DOS Bunsho Program in May 1986.