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The modification of 1530 – the Grid GRiDCASE 1535EXP is a rugged laptop with a 80386 CPU, an optional 80387 floating-point processor and up to 8 Mbyte of DRAM. It was first flown into space in December 1992 on the STS-53 for use of the HERCULES geolocation device.
The first commercially successful tablet-type portable computer was the GridPad, [9] released in September 1989. Its operating system was based on MS-DOS. A GRiD Compass 1101 was the first laptop in space. Required special modification to add a fan to pull air through the case. [10] Subsequently a GRiD 1530 flew on STS-29 in March 1989.
In 1985, Compaq introduced the Portable 286, but it was replaced by the more compact Portable II in a redesigned case within a few months. The Portable 286 featured a full-height hard disk, and the options of one half-height floppy drive, two half-height floppy drives, or a half-height floppy drive and a tape backup drive.
A rugged tablet may be semi-rugged or fully rugged. The semi-rugged might have a protective case, rain-resistant body. Fully rugged tablets are engineered from the inside-out to work in extreme temperatures and other harsh conditions. They are designed to resist drops, shocks and vibrations while maintaining strength to be dust- and waterproof.
The Toughbook CF-SX2 is a business-rugged laptop designed for mobile professionals. It has a drop-resistant magnesium alloy design and shock-mounted flex-connect hard drive, allowing it to handle up to a 30-inch drop to the base of the unit while operating, as well as a 12-inch drop from all other angles.
The Compaq Portable was announced in November 1982 and first shipped in March 1983, [2] priced at US$2,995 (equivalent to $9,200 in 2023) with a single half-height 5¼" 360 kB diskette drive or $3,590 for dual, full-height diskette drives. The 28 lb (13 kg) Compaq Portable folded up into a luggable case the size of a portable sewing machine.
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