What does it mean for a computer to be an "IBM Compatible PC"?
2016年3月3日 · Today the term "PC" is pretty much means an IBM-compatible or Wintel computer, and excludes other personal computers like Mac. 2) Does this mean anything from …
Why did DOS software packages often require a "100
The system requirements for many software packages for DOS specify an "IBM PC or 100% compatible". Why "100% compatible"? Were there systems at the time that had only partial …
hard drive - CHS to LBA mapping - (Disk Storage) - Super User
2015年9月18日 · 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 …
linux - Is Unix not a PC operating system? - Super User
2012年3月30日 · So "PC Compatible" was commonly used to mean IBM PC Compatible, as if IBM invented the personal computer, rather than just "legitimizing" it. I personally think your …
Did Windows ever support any hardware architectures other than …
2016年4月7日 · It may be hard to believe, but Microsoft was one of the most "open architecture" companies in the world. The original MS-DOS was compatible with tens of different platforms …
What is the difference between BIOS and firmware? - Super User
2015年2月21日 · 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 …
Why does BIOS operate in 16-bits instead of 32/64-bits?
2015年10月18日 · 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 …
Boot Signature - BIOS - Super User
2015年9月21日 · Wikipedia: The presence of an IBM PC compatible boot loader for x86-CPUs in the boot sector is by convention indicated by a two-byte hexadecimal sequence 0x55 0xAA …
What are the Windows A: and B: drives used for? - Super User
2015年12月18日 · The IBM-PC imposed a bunch of standards with the format of its 5.25 inch floppies - before that you had all sorts of different arrangements with hard and soft sectoring, …
Does UEFI run on top of BIOS? - Super User
2019年6月18日 · UEFI replaces the Basic Input/Output System (BIOS) firmware interface originally present in all IBM PC-compatible personal computers, [1] [2] with most UEFI …