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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.
It could hold an additional three 8″ disk drives or up to four 8.4 MB hard drives (the Model II allowed three external floppy drives to be daisy-chained to it). In 1981, the 64K Model II computer was $3,350 and the "primary unit" 8.4 MB hard disk another $4,040 by mail-order from Radio Shack's dealer in Perry, Michigan ; MSRP in the company's ...
The Eazy PC is an all-in-one system: the CRT monitor and its tilt/swivel base are permanently attached to the base unit and cannot be upgraded. The monitor also houses the computer's power supply. The screen measures 14 inches (36 cm) diagonally. [2] It generates only a gray scale display, using a warm white phosphor. [3]
8-inch floppy disk, inserted in drive, (3½-inch floppy diskette, in front, shown for scale) 3½-inch, high-density floppy diskettes with adhesive labels affixed The first commercial floppy disks, developed in the late 1960s, were 8 inches (203.2 mm) in diameter; [4] [5] they became commercially available in 1971 as a component of IBM products and both drives and disks were then sold ...
If using the Plus 3 in screen modes 0–3, the pseudo-variable TIME would be thrown off, as the interrupts were disabled during disk access in these modes. The screen would also blank during disc accesses. [184]: 14–15 Disks had to be manually mounted and dismounted using the *MOUNT / *DISMOUNT commands, or using the Ctrl+ A+ Break key ...
The Zenith Z-89 is based on the Zilog Z80 microprocessor running at 2.048 MHz, and supports the HDOS and CP/M operating systems. The US$2295 Z-89 is integrated in a terminal-like enclosure with a non-detachable keyboard, 12-inch monochrome CRT with a 80x25 character screen, 48 KB RAM, and a 5.25" floppy disk drive.
The Portable 286 featured a full height hard disk, and the options of one half-height floppy drive, two half-height floppy drives, or a half-height floppy drive and a tape backup drive The Compaq Portable 286, Compaq's version of the PC AT was offered in the original Compaq Portable chassis; equipped with 6/8 MHz 286 and a high-speed 20 MB hard ...
The Compaq Portable 386 is a computer released by Compaq Computer Corporation in 1987. [1] It was equipped with a 20 MHz Intel 80386 CPU, 1 MB RAM, 16 KB ROM, 1.2 MB 5¼-inch floppy, 40 or 100 MB hard disk drive, priced at US$ 7,999 or 9,999 respectively, [1] [2] and a 10" amber gas-plasma display.