Identifying steps in the startup process (6.1)
Although it is completely technical compared to the usual work of a system administrator, understanding the hardware components in general, and being able to identify the steps in the startup process in particular, have tremendous benefits. This is because it helps you in troubleshooting hardware-related problems, and so keeps downtime to a minimum.
The Basic Input/Output System (6.1.1)
The Basic Input/Output System (BIOS), is a program that controls the functionality of the server hardware components. Along with the task of controlling the functionality of the server hardware components, the other important tasks of the BIOS are to identify and configure the hardware in a server and to identify the boot devices. Unlike computers in the past, modern computers do not have legacy BIOS; instead, they are equipped with a Unified Extensible Firmware Interface (UEFI). Unlike the BIOS, UEFI is easily updated by downloading updates from the manufacturer...