
What does it mean for a computer to be an "IBM Compatible PC"?
Columbia closely modeled the IBM PC and produced the first "compatible" PC (i.e., more or less compatible to the IBM PC standard) in June 1982 closely followed by Eagle Computer. …
Why did DOS software packages often require a "100
Jun 10, 2012 · Columbia closely modeled the IBM PC and produced the first "compatible" PC (i.e., more or less compatible to the IBM PC standard) in June 1982 closely followed by Eagle …
hard drive - CHS to LBA mapping - (Disk Storage) - Super User
Sep 18, 2015 · Before LBA you simply had the physical mapping of a disk, which originally disk access with the BIOS on an old a IBM-PC compatible machine would look something like this …
What is the difference between BIOS and firmware? - Super User
Feb 21, 2015 · The BIOS an acronym for Basic Input/Output System and also known as the System BIOS, ROM BIOS or PC BIOS) is a type of firmware used during the booting process …
linux - Is Unix not a PC operating system? - Super User
Mar 30, 2012 · When IBM came out with their PC, they simply called it the IBM PC, and people began using PC to mean IBM PC. So "PC Compatible" was commonly used to mean IBM PC …
Why does BIOS operate in 16-bits instead of 32/64-bits?
Oct 18, 2015 · Therefore an IBM-PC compatible computer had to be 16-bit-capable and had to have a BIOS. After the millennium and with the success of Windows XP, which is based on the …
Does UEFI run on top of BIOS? - Super User
Jun 18, 2019 · UEFI replaces the Basic Input/Output System (BIOS) firmware interface originally present in all IBM PC-compatible personal computers,[1][2] with most UEFI firmware …
Did Windows ever support any hardware architectures other than …
Apr 7, 2016 · @Luaan It was also a real problem that needed solving because particularly early IBM PC clones weren't always fully IBM PC compatible. Back in the day, "100% IBM …
bios - What is a UEFI? - Super User
UEFI is meant to replace the Basic Input/Output System (BIOS) firmware interface, present in all IBM PC-compatible personal computers. In practice, most UEFI images provide legacy …
boot - What are UEFI and BIOS? - Super User
May 12, 2019 · The UEFI specification will be based on the EFI specification (Extensible Firmware Interface) published by Intel with corrections and changes managed by the Unified EFI Forum. …