Compaq's first computers' form factors were portable, also called "luggables", and then "lunchbox computers", and together constituted the Compaq Portable series. These computers measured approximately deep, tall, and approximately wide. As the products evolved, laptops and notebooks were created offing a new level of portability that caused the market to explode. Some of the portables, the Portable and Portable II, had CRT monitors, while later the Portable III and the Portable 386) had flat, monochrome, usually amber, plasma displays. The portables came/could come with internal hard disk drives on 0.5" shock mount springs; diskette drives, usually 5-" double- or quadruple-density drives; batteries; and/or a dual-ISA expansion chassis, about one full-drive-height wide. Note this was before the term "ISA" became a standard. The Compaq Portable 486 included mono and color LCD screens and were battery powered. Machines of the series Compaq Portable – Compaq's first computer; first 100% IBM PC compatible Compaq Portable Plus – Compaq's version with built-in hard drive Compaq Portable 286 – Compaq's version of the PC AT in the original Compaq Portable chassis; equipped with 6/8-MHz 286 and a high-speed 20-MB hard drive Compaq Portable II – smaller and lighter version of Compaq Portable 286; it was less expensive but with limited upgradability and a slower hard drive Compaq Portable III Compaq Portable 386 Compaq Portable 486 and Compaq Portable 486c The Compaq Portable is an early portable computer which was one of the first 100% IBM PC compatible systems. It was Compaq Computer Corporation's first product, to be followed by others in the Compaq Portable series and later Compaq Deskpro series. Initial Production and Competition The Compaq Portable was announced in November 1982 and first shipped in March 1983, priced at with a single half-height 5¼" diskette drive or for dual, full-height diskette drives. The Compaq Portable folded up into a luggable case the size of a portable sewing machine. Compaq sold 53,000 units in the first year with a total of in revenue, an American Business record. In the second year revenue hit setting an industry record. Third year revenue was at , another US business record. The computer was an early all-in-one, becoming available two years after the CP/M-based Osborne 1 and Kaypro II, in the same year as the 8088 and MS-DOS-based (but not entirely IBM PC compatible) Dynalogic Hyperion, and a year before the Commodore SX-64. Its design was influenced by that