Thursday, July 17, 2008

How Computers boot up

This extensive 3-part post focuses on the linux booting process, from motherboard & chipset to the bootloader & kernel booting process.
clipped from duartes.org

Motherboard Chipsets and the Memory Map

To start off let’s take a look at how an Intel computer is wired up nowadays. The diagram below shows the main components in a motherboard and dubious color taste:

Diagram for modern motherboard
clipped from duartes.org

How Computers Boot Up

Boot Sequence Outline
Master Boot Record
clipped from duartes.org

The Kernel Boot Process

RAM contents after boot loader runs
Architecture-specific Linux Kernel Initialization
Architecture-independent Linux Kernel Initialization
Windows Kernel Initialization
 blog it

No comments: