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• Dulmont_Magnum abstract "The Dulmont Magnum was an early laptop computer designed and marketed by Dulmison Pty Ltd in Australia in the late 1970s and early 1980s. The Magnum was also known internationally as the Kookaburra, and was on the market from 1982 to 1986. The company found itself undercapitalized as it sought to enter the international market and faced increased competition from other laptops. It was taken over twice, with the international marketing as "Kookaburra" being undertaken by Time Office Computers.The Magnum was one of the first computers to use the 16-bit Intel 80186 processor, and was sold in versions with 96K to 256K of RAM, and inbuilt LCD screens from 8x80 to 25x80 characters. It had a word processor, spreadsheet, telecommunications, file manager, and appointment programs burned into ROM. It also featured dual 128K ROM cartridge slots, which could be used for optional software including BASIC or assembler programming support, as well as serial and parallel modem and printer ports. The initial 1983 release included an 8x80 character LCD screen, whilst the 1984 to 1985 international release had a 16x80 display, and the final 1985-6 version had a 25x80 display and for international marketing purposes was given the new name "Kookaburra". Earlier versions were able to be upgraded to the larger displays, and dual 8" disk drive and memory expansion box provided access to 256,256 byte floppy disks and up to 32KB of dynamic RAM. It was also possible to attach a 10MB hard disk.The Magnum was arguably the world's first laptop computer, and was to be enabled by a custom power management integrated circuit that was to be developed in the VLSI and Systems Technology Laboratory at the University of New South Wales (UNSW) over 4 months in early 1982 by Graham Hellestrand. However the ~10,000 transistor, 5μ nMOS technology chip never saw the light of day. Terry Crews was the initial Engineering Manager and contracted Barry Wilkinson to design the hardware based on discrete components as he had doubts that the custom chip would eventuate. The form factor and cosmetic design was developed first and this then dictated the physical dimensions of the hardware. This was in contrast to the usual method of encasing the electronics as the last process and their subsequent bulkier designs.John Blair led the software team. Terry Crews became Marketing Manager once the Magnum went into production and the engineering role was taken over by Chris Todter. Terry Crews traveled the world showcasing the product. It attracted substantial interest and some large orders. The Magnum was marketed in Australia from 1983 to early 1986, thus being developed and launched prior to the development of the Grid Compass. The Magnum was launched at a dealer breakfast in the Regent Hotel in Melbourne on the day that Australia won the America's Cup.The Magnum laptop computer is similar to the Hewlett Packard HP 110 and the Sharp PC-5000. It is the only Australian produced laptop personal computer, but did not survive long on the international market once industry players like HP, Sharp and Sanyo entered the market. One key disadvantage of both the Dulmont Magnum [Kookaburra] and the Grid Compass is that they were developed prior to the IBM PC and were never upgraded to full IBM compatibility, using an early version of MS-DOS (latest version used was 2.1). A second disadvantage of the Magnum was the lack of integral permanent storage other than the ROM/EPROM that was available through the module cartridge slots, or the separate expansion box. In particular, its soon-to-arrive competitors (including the Grid Compass) made use of the new Bubble memory technology to provide non-volatile memory.In 1985, the Magnum retailed for A$2995 for a 96K model, or $4100 for a 256K model, according to the June 1985 issue of "Just Computer".".
• Dulmont_Magnum cpu Intel_80186.
• Dulmont_Magnum manufacturer Dulmont.
• Dulmont_Magnum operatingSystem MS-DOS.
• Dulmont_Magnum thumbnail Dulmont_Magnum.jpg?width=300.
• Dulmont_Magnum weight "4800.0".
• Dulmont_Magnum wikiPageExternalLink 58_Dulmont_Magnum_the_first.php.
• Dulmont_Magnum wikiPageExternalLink 365015,computer+systems.
• Dulmont_Magnum wikiPageExternalLink doc.asp?c=764.
• Dulmont_Magnum wikiPageExternalLink gns030c?acn=000_129_573&juris=9&hdtext=ACN&srchsrc=1.
• Dulmont_Magnum wikiPageExternalLink gns030c?state_number=H6207808&juris=2&hdtext=&srchsrc=1.
• Dulmont_Magnum wikiPageID "23796451".
• Dulmont_Magnum wikiPageRevisionID "594643697".
• Dulmont_Magnum cpu "Intel 80186 clocked at 8MHz".
• Dulmont_Magnum dimensions "32".
• Dulmont_Magnum hasPhotoCollection Dulmont_Magnum.
• Dulmont_Magnum input "76".
• Dulmont_Magnum manufacturer Dulmont.
• Dulmont_Magnum memory "96".
• Dulmont_Magnum os MS-DOS.
• Dulmont_Magnum photo "240".
• Dulmont_Magnum processor Intel_80186.
• Dulmont_Magnum released "1984".
• Dulmont_Magnum type Home_computer.
• Dulmont_Magnum weight "4.8".
• Dulmont_Magnum subject Category:Home_computers.
• Dulmont_Magnum type Artifact100021939.
• Dulmont_Magnum type Computer103082979.
• Dulmont_Magnum type Device103183080.
• Dulmont_Magnum type HomeComputer103528523.
• Dulmont_Magnum type HomeComputers.
• Dulmont_Magnum type Instrumentality103575240.
• Dulmont_Magnum type Machine103699975.
• Dulmont_Magnum type Object100002684.
• Dulmont_Magnum type PhysicalEntity100001930.
• Dulmont_Magnum type Whole100003553.
• Dulmont_Magnum type Device.
• Dulmont_Magnum type InformationAppliance.
• Dulmont_Magnum type DesignedArtifact.
• Dulmont_Magnum comment "The Dulmont Magnum was an early laptop computer designed and marketed by Dulmison Pty Ltd in Australia in the late 1970s and early 1980s. The Magnum was also known internationally as the Kookaburra, and was on the market from 1982 to 1986. The company found itself undercapitalized as it sought to enter the international market and faced increased competition from other laptops.".
• Dulmont_Magnum label "Dulmont Magnum".
• Dulmont_Magnum sameAs m.06_ww3m.
• Dulmont_Magnum sameAs Q5313466.
• Dulmont_Magnum sameAs Q5313466.
• Dulmont_Magnum sameAs Dulmont_Magnum.
• Dulmont_Magnum wasDerivedFrom Dulmont_Magnum?oldid=594643697.
• Dulmont_Magnum depiction Dulmont_Magnum.jpg.
• Dulmont_Magnum isPrimaryTopicOf Dulmont_Magnum.