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The Portable was basically a PC/XT motherboard, transplanted into a Compaq-style luggable case. The system featured 256 kilobytes of memory (expandable to 640 KB), an added CGA card connected to an internal monochrome amber composite monitor, and one or two half-height 5 + 1 ⁄ 4-inch 360 KB floppy disk drives, manufactured by Qume.
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.
"IBM PC compatible" becomes "Standard PC" in 1990s, and later "ACPI PC" in 2000s. An IBM-brand PC became the exception rather than the rule. An IBM-brand PC became the exception rather than the rule. Instead of placing importance on compatibility with the IBM PC, vendors began to emphasize compatibility with Windows .
The Compaq Portable II is the fourth product in the Compaq Portable series to be brought out by Compaq Computer Corporation.Released in 1986 at a price of US$3499, the Portable II much improved upon its predecessor, the Compaq 286, which had been Compaq's version of the PC AT in the original Compaq Portable chassis; [5] Portable 286 came equipped with 6/8-MHz Intel 286 and a high-speed 20 MB ...
The first commercially sold portable computer might be the 20-pound (9.1 kg) MCM/70, released 1974. [citation needed] The next major portables were the 50-pound (23 kg) IBM 5100 (1975), Osborne's 24-pound (11 kg) CP/M-based Osborne 1 (1981) and Compaq's 28-pound (13 kg), advertised as 100% IBM PC compatible Compaq Portable (1983).
Amstrad PPC512, closed Amstrad PPC640. The two computers had very similar specifications. The PPC512 had an NEC V30 [1] [3] processor running at 8 MHz, 512 KiB of memory, a full-size 102-key keyboard with a numeric keypad, a built-in liquid-crystal display (not backlit) [6] that could emulate the CGA or MDA [2] and either one or two 720k 3.5-inch floppy drives (the model was either the PPC512S ...
Whether considered evolutionary from SCAMP [2] or revolutionary, it still needed to be plugged into an electric socket. [3] When the IBM PC was introduced in 1981, it was originally designated as the IBM 5150, putting it in the "5100" series, though its architecture was unrelated to the IBM 5100's. [4] The 5100 was IBM's second transportable ...
The Portable III was designed to be the smallest, lightest and fastest 386 machine, since Compaq was under the pressure from Toshiba with its T1100 and T3100 and Zenith Data Systems with its Z-181. Compaq only had 286 motherboards ready for mass production, so the 386 version, the Compaq Portable 386 , would follow about one year later.