Search results
Results from the WOW.Com Content Network
SMM is a special-purpose operating mode provided for handling system-wide functions like power management, system hardware control, or proprietary OEM designed code. It is intended for use only by system firmware (BIOS or UEFI), not by applications software or general-purpose systems software. The main benefit of SMM is that it offers a ...
American Megatrends Inc., doing business as AMI, is an international hardware and software company, specializing in PC hardware and firmware. [3] The company was founded in 1985 by Pat Sarma and Subramonian Shankar. [ 4 ]
Version 1 of the Desktop Management BIOS (DMIBIOS) specification was produced by Phoenix Technologies in or before 1996. [5] [6] Version 2.0 of the Desktop Management BIOS specification was released on March 6, 1996 by American Megatrends (AMI), Award Software, Dell, Intel, Phoenix Technologies, and SystemSoft Corporation. It introduced 16-bit ...
An option ROM for the PC platform (i.e. the IBM PC and derived successor computer systems) is a piece of firmware that resides in ROM on an expansion card (or stored along with the main system BIOS), which gets executed to initialize the device and (optionally) add support for the device to the BIOS.
This free and open-source software article is a stub. You can help Wikipedia by expanding it.
Typical POST screen (AMI BIOS) Typical UEFI-compliant BIOS POST screen (Phoenix Technologies BIOS) Summary screen after POST and before booting an operating system (AMI BIOS) A power-on self-test (POST) is a process performed by firmware or software routines immediately after a computer or other digital electronic device is powered on. [1]
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.
Unreal mode is used by BIOS code as this is the initial mode of modern Intel processors. [8] Furthermore, the System Management Mode (SMM) in Intel 386SL and later processors places the processor in huge real mode. [9] Some boot loaders (such as LILO) use the unreal mode to access up to 4 GiB of memory.