Updating ibm bios

The name originates from the Basic Input/Output System used in the CP/M operating system in 1975.The interface of that original system serves as a de facto standard.The BIOS in modern PCs initializes and tests the system hardware components, and loads a boot loader from a mass memory device which then initializes an operating system.In the era of DOS, the BIOS provided a hardware abstraction layer for the keyboard, display, and other input/output (I/O) devices that standardized an interface to application programs and the operating system.To download new BIOS updates for your motherboard or computer, we have compiled an extensive list of manufacturers.

Most BIOS implementations are specifically designed to work with a particular computer or motherboard model, by interfacing with various devices that make up the complementary system chipset.

Unified Extensible Firmware Interface (UEFI) is a successor to the legacy PC BIOS, aiming to address its technical shortcomings./* C P / M B A S I C I / O S Y S T E M (B I O S) COPYRIGHT (C) GARY A. SYS"; this file is known as the "DOS BIOS" (also known as the "DOS I/O System") and contains the lower-level hardware-specific part of the operating system.

KILDALL JUNE, 1975 */ […] /* B A S I C D I S K O P E R A T I N G S Y S T E M (B D O S) COPYRIGHT (C) GARY A. Together with the underlying hardware-specific but operating system-independent "System BIOS", which resides in ROM, it represents the analogue to the "CP/M BIOS".

I was somewhat reluctant to adapt CP/M to yet another controller, and thus the notion of a separated Basic I/O System (BIOS) evolved.

In principle, the hardware dependent portions of CP/M were concentrated in the BIOS, thus allowing Glenn, or anyone else, to adapt CP/M to the Imsai equipment.

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There *used to be* an IBM/Lenovo site called BIOS file matrix - Think Pad which also has a table with links to BIOS downloads.

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