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- NorthStar_Horizon abstract "The NorthStar Horizon was a popular 8-bit S-100 bus computer introduced in October 1977. Like most S-100 machines of the era, it was built around the ZiLOG Z80A microprocessor, and typically ran the CP/M operating system. It was produced by North Star Computers, and it could be purchased either in kit form or pre-assembled.The computer consists of a steel chassis separated into left and right compartments with a plywood cover which sat on the top and draped over the left and right sides. The rear section of the compartment on the right held a linear power supply, including a large transformer and power capacitors, comprising much of the bulk and weight of the system. The empty section in front of the power supply normally housed one or two floppy disk drives, placed on their side so the slots were vertical. The compartment on the left held the S-100 motherboard, rotated so the slots ran left-right. Although a few logic circuits were on the motherboard, primarily for I/O functions, both the processor and the memory resided in separate daughterboards.Capable of running CP/M and NSDOS (NorthStar's proprietary Disk Operating System), a standard NorthStar system sported one or two hard-sectored 5.25 inch floppy disk drives and a serial interface to which one could connect a terminal to interact with it. NSDOS included NorthStar BASIC, a slightly non-standard dialect of BASIC, where some standard BASIC commands of the day had been changed, probably to avoid potential legal issues. Two examples of this were the FILL and EXAM commands, which took the place of the more common PEEK and POKE.The Horizon was superseded by the all-in-one NorthStar Advantage in 1983. The Horizon found a niche in University environments where its inbuilt S-100 bus could be used to interface it to a variety of control systems.Northstar released a Hard disk version, with an internal full height 5MB MFM drive. They also released a S100 card with integrated memory and two serial ports which allowed up to eight users on one Horizon, each with their own CPU sharing the disk and other resources. This operated under TurboDOS, a multi user CP/M variant with some unix like features.".
- NorthStar_Horizon thumbnail NorthStar_Horizon.jpg?width=300.
- NorthStar_Horizon wikiPageExternalLink index.html.
- NorthStar_Horizon wikiPageExternalLink northstar_horizon.html.
- NorthStar_Horizon wikiPageExternalLink northstar-horizon.html.
- NorthStar_Horizon wikiPageExternalLink north_star_computers.htm.
- NorthStar_Horizon wikiPageExternalLink cini.
- NorthStar_Horizon wikiPageExternalLink NS.
- NorthStar_Horizon wikiPageExternalLink www.hartetechnologies.com.
- NorthStar_Horizon wikiPageExternalLink Northstar.
- NorthStar_Horizon wikiPageID "2065825".
- NorthStar_Horizon wikiPageLength "3907".
- NorthStar_Horizon wikiPageOutDegree "30".
- NorthStar_Horizon wikiPageRevisionID "672717964".
- NorthStar_Horizon wikiPageWikiLink 8-bit.
- NorthStar_Horizon wikiPageWikiLink BASIC.
- NorthStar_Horizon wikiPageWikiLink BASIC_programming_language.
- NorthStar_Horizon wikiPageWikiLink M.
- NorthStar_Horizon wikiPageWikiLink Category:1979_introductions.
- NorthStar_Horizon wikiPageWikiLink Category:Early_microcomputers.
- NorthStar_Horizon wikiPageWikiLink Computer_terminal.
- NorthStar_Horizon wikiPageWikiLink Control_system.
- NorthStar_Horizon wikiPageWikiLink Daughterboard.
- NorthStar_Horizon wikiPageWikiLink Disk_Operating_System.
- NorthStar_Horizon wikiPageWikiLink Disk_operating_system.
- NorthStar_Horizon wikiPageWikiLink Floppy_disk.
- NorthStar_Horizon wikiPageWikiLink Floppy_disk_drive.
- NorthStar_Horizon wikiPageWikiLink Hard_sector.
- NorthStar_Horizon wikiPageWikiLink Hard_sectoring.
- NorthStar_Horizon wikiPageWikiLink Output.
- NorthStar_Horizon wikiPageWikiLink output.
- NorthStar_Horizon wikiPageWikiLink Legal_issue.
- NorthStar_Horizon wikiPageWikiLink Microprocessor.
- NorthStar_Horizon wikiPageWikiLink NorthStar_Advantage.
- NorthStar_Horizon wikiPageWikiLink NorthStar_BASIC.
- NorthStar_Horizon wikiPageWikiLink North_Star_Computers.
- NorthStar_Horizon wikiPageWikiLink PEEK_and_POKE.
- NorthStar_Horizon wikiPageWikiLink Power_supply.
- NorthStar_Horizon wikiPageWikiLink S-100_bus.
- NorthStar_Horizon wikiPageWikiLink Serial_communication.
- NorthStar_Horizon wikiPageWikiLink Serial_interface.
- NorthStar_Horizon wikiPageWikiLink TurboDOS.
- NorthStar_Horizon wikiPageWikiLink Z80A.
- NorthStar_Horizon wikiPageWikiLink ZiLOG.
- NorthStar_Horizon wikiPageWikiLink Zilog.
- NorthStar_Horizon wikiPageWikiLink Zilog_Z80.
- NorthStar_Horizon wikiPageWikiLink File:NorthStar_Horizon.jpg.
- NorthStar_Horizon wikiPageWikiLink File:NorthStar_Horizon_Z80_processor_board.jpg.
- NorthStar_Horizon wikiPageWikiLink File:NorthStar_Horizon_inside_view.jpg.
- NorthStar_Horizon wikiPageWikiLinkText "North Star Horizon".
- NorthStar_Horizon wikiPageWikiLinkText "NorthStar Horizon".
- NorthStar_Horizon wikiPageWikiLinkText "Northstar".
- NorthStar_Horizon hasPhotoCollection NorthStar_Horizon.
- NorthStar_Horizon wikiPageUsesTemplate Template:Reflist.
- NorthStar_Horizon subject Category:1979_introductions.
- NorthStar_Horizon subject Category:Early_microcomputers.
- NorthStar_Horizon hypernym Computer.
- NorthStar_Horizon type InformationAppliance.
- NorthStar_Horizon type Computer.
- NorthStar_Horizon type Microcomputer.
- NorthStar_Horizon comment "The NorthStar Horizon was a popular 8-bit S-100 bus computer introduced in October 1977. Like most S-100 machines of the era, it was built around the ZiLOG Z80A microprocessor, and typically ran the CP/M operating system. It was produced by North Star Computers, and it could be purchased either in kit form or pre-assembled.The computer consists of a steel chassis separated into left and right compartments with a plywood cover which sat on the top and draped over the left and right sides.".
- NorthStar_Horizon label "NorthStar Horizon".
- NorthStar_Horizon sameAs NorthStar_Horizon.
- NorthStar_Horizon sameAs NorthStar_Horizon.
- NorthStar_Horizon sameAs NorthStar_Horizon.
- NorthStar_Horizon sameAs NorthStar_Horizon.
- NorthStar_Horizon sameAs m.06jpts.
- NorthStar_Horizon sameAs Q126079.
- NorthStar_Horizon sameAs Q126079.
- NorthStar_Horizon wasDerivedFrom NorthStar_Horizon?oldid=672717964.
- NorthStar_Horizon depiction NorthStar_Horizon.jpg.
- NorthStar_Horizon isPrimaryTopicOf NorthStar_Horizon.