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This BIOS enabled OEMs to build essentially fully compatible clones without having to reverse-engineer the IBM PC BIOS themselves, as Compaq had done for the Portable; it also helped fuel the growth in the PC-compatibles industry and sales of non-IBM versions of DOS. [69] The first American Megatrends (AMI) BIOS was released in 1986.
Download QR code; Print/export ... The only part which had to be duplicated was the BIOS, which Compaq did legally by using clean room design at a cost of $1 ...
To make a BIOS call for every point drawn or modified increased overhead considerably, making the BIOS interface notoriously slow. Because of this, line-drawing, arc-drawing, and blitting had to be performed by the application to achieve acceptable speed, which was usually done by bypassing the BIOS and accessing video memory directly. Software ...
Download QR code; Print/export ... BIOS (1 C, 60 P) C. ... Compaq Deskpro; Compaq Deskpro 386; Compaq Evo; Compaq Portable series; Compaq Presario;
The Compaq Portable has basically the same hardware as an IBM PC, transplanted into a luggable case (specifically designed to fit as carry-on luggage on an airplane), with Compaq's BIOS instead of IBM's. [11] All Portables shipped with 128 KB of RAM and 1-2 double-sided double-density 360 KB disk drives.
The BIOS Boot Specification (BBS) was developed by a consortium comprising Compaq, Intel and Phoenix Technologies to standardize the initialization sequence of Plug and Play (PnP) BIOS and Option ROMs. [3] The standard presents the notion of a Boot Connection Vector (BCV) table and BCV priority. [3]
This PC Card snafu was a major factor in Compaq's decision to cancel their Concerto tablet in August 1994. [22] In late November 1994, Compaq again briefly suspended production of the LTE Elite in their Houston factory after discovering a bug in their BIOS ROM that prevented the units from recognizing RAM upgrades over 16 MB.
The Compaq Portable 386 is a computer released by Compaq Computer Corporation in 1987. [1] It was equipped with a 20 MHz Intel 80386 CPU , 1 MB RAM , 16 KB ROM, 1.2 MB 5¼-inch floppy , 40 or 100 MB hard disk drive , priced at US$ 7,999 or 9,999 respectively, [ 1 ] [ 2 ] and a 10" amber gas-plasma display .