Updating standard boot order ipl rhel


08-Sep-2017 19:50

This MBR code is usually referred to as a boot loader.

Approaches to slightly raise this limit assuming 33-bit arithmetics or 4096-byte sectors are not officially supported as they fatally break compatibility with existing boot loaders and most MBR-compliant operating systems and system tools, and can cause serious data corruption when used outside of narrowly controlled system environments.

So please do not assume this is the case for your system until you check it yourself.

Basically this BIOS code performs the basic initialization of the hardware (POST: power on self test) and hands the system control to the next step which you provide.

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Besides architecture or product-specific information, it also describes the capabilities and limitations of SLES 11 SP4. This SUSE product includes materials licensed to SUSE under the GNU General Public License (GPL).

IPL (initial program load) is a mainframe term for the loading of the operating system into the computer's main memory .

A mainframe operating system (such as OS/390) contains many megabytes of code that is customized by each installation, requiring some time to load the code into the memory.

The BIOS code is usually provided with the hardware.

The BIOS startup screen usually indicates what key(s) to press to enter the BIOS setup screen to configure the BIOS behavior.

A master boot record (MBR) is a special type of boot sector at the very beginning of partitioned computer mass storage devices like fixed disks or removable drives intended for use with IBM PC-compatible systems and beyond.