IBM JX: Difference between revisions
Matthiaspaul (talk | contribs) Undid 504861968 by Bostwickenator. Good faith, but we don't normally link to YouTube (and not outside of references, anyway). Please extract useful info (if there is any) and add as text instead. |
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{{Infobox information appliance |
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| image = [[File:IBM JX.jpg|250px]] |
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| developer = [[IBM]] |
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| releasedate = {{Start date|1984|10}} |
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| os = [[PC-DOS]] 2.1, [[Microsoft]] Disk BASIC, [[Advanced BASIC]] |
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| power = |
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| soc = <!-- system-on-chip --> |
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| cpu = [[Intel 8088]] @ 4.77MHz |
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The '''IBM JX''' (or '''JXPC''') was a [[personal computer]] released in 1984 into the Japanese, Australian and New Zealand markets. Designed in Japan, it was based on the technology of the [[IBM PCjr]] and was designated the IBM 5511. |
The '''IBM JX''' (or '''JXPC''') was a [[personal computer]] released in 1984 into the Japanese, Australian and New Zealand markets. Designed in Japan, it was based on the technology of the [[IBM PCjr]] and was designated the IBM 5511. |
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The PCjx later had a BIOS upgrade chip, sold together with DOS 3.21, which permitted the full 720kB capacity of the diskette drives to be used. Some popular options for the PCjx were a 10MB external hard disk (as a stackable unit the same size as the JX itself) and a joystick. IBM never released a 3270 emulation adapter for the PCjx in order to steer enterprise customers to more expensive IBM PCs and XTs. |
The PCjx later had a BIOS upgrade chip, sold together with DOS 3.21, which permitted the full 720kB capacity of the diskette drives to be used. Some popular options for the PCjx were a 10MB external hard disk (as a stackable unit the same size as the JX itself) and a joystick. IBM never released a 3270 emulation adapter for the PCjx in order to steer enterprise customers to more expensive IBM PCs and XTs. |
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==External links== |
==External links== |
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* {{youtube|xUd14Rpihds|Japanese IBM JX commercial}} |
* {{youtube|xUd14Rpihds|Japanese IBM JX commercial}} |
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* {{youtube|HGa-l8P_ep0|Australian IBM JX commercial}} |
* {{youtube|HGa-l8P_ep0|Australian IBM JX commercial}} |
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[[Category:IBM personal computers|Jx]] |
[[Category:IBM personal computers|Jx]] |
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Revision as of 14:14, 16 August 2012
 IBM JX Personal Computer (IBM 5511) | |
| Developer | IBM |
|---|---|
| Release date | October 1984 |
| Operating system | PC-DOS 2.1, Microsoft Disk BASIC, Advanced BASIC |
| CPU | Intel 8088 @ 4.77MHz |
The IBM JX (or JXPC) was a personal computer released in 1984 into the Japanese, Australian and New Zealand markets. Designed in Japan, it was based on the technology of the IBM PCjr and was designated the IBM 5511.
General
With a professional keyboard (rather than IBM PCjr's disparaged chiclet), a hard drive option, and targeted at the small business and education market, the IBM JX was much more successful in Australia and New Zealand than the PCjr had been in the United States.
Configuration
It had several innovative features:
- Twin 720kB 3.5" diskette drives
- Wireless infra-red keyboard
- 16-color monitor
- Stackable expansion
In Japan both white and black units were available, but elsewhere all IBM JX's were black—very unusual in the days of the standard color of IBM "beige boxes".
However, it shared many of the disadvantages of the IBM PCjr:
- Could not the use the standard ISA bus cards of the PC XT
- Would not run software written to directly address hardware (such as Microsoft Flight Simulator)
The system operated PC-DOS 2.11 as well as, Microsoft disk BASIC and Advanced BASIC. Like the IBM PC, if the system was left to boot without inserting a diskette into one of the drives the Microsoft Cassette BASIC interpreter would be loaded, which was compatible with IBM PCjr BASIC, including Cartridge BASIC. PC-DOS 2.11 could only use half of the tracks of a 3.5" drive, however, since it didn't really understand what a 3.5" drive even was. The PCjx's BIOS could only address the first 40 tracks like a 5.25" drive.
The PCjx later had a BIOS upgrade chip, sold together with DOS 3.21, which permitted the full 720kB capacity of the diskette drives to be used. Some popular options for the PCjx were a 10MB external hard disk (as a stackable unit the same size as the JX itself) and a joystick. IBM never released a 3270 emulation adapter for the PCjx in order to steer enterprise customers to more expensive IBM PCs and XTs.
External links
- IBM JX, The As-Yet Unnamed Computer Museum!!
- IBM PC JX, OLD-COMPUTERS.COM Museum
- 1984 (month unknown), Chronology of IBM Personal Computers (1983-1986)
- Photo:Vintage IBM 5511
- Japanese IBM JX commercial on YouTube
- Australian IBM JX commercial on YouTube
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