Patent ID: 9098305
Filing Date: 2015-08-04
Classification: G06F

Abstract:
1. A bootup and shutdown method of a computer system, wherein the computer system comprises a memory, a chipset, an embedded controller, and a basic input/output system (BIOS), and only one operating system (OS) is executed in the computer system, the bootup and shutdown method comprising: every time the BIOS intercepts a shutdown instruction issued by the only one OS, notifying the embedded controller to prepare the computer system to enter into a standby mode except the only one OS and to prepare the only one OS to enter into a shutdown mode without rebooting the computer system; setting a content of at least one register of the chipset by the BIOS according to the standby mode of the computer system and the shutdown mode of the only one OS; retaining a current operation mode data except OS data in the memory of the computer system; letting the only one OS enter into the shutdown mode and continuously supplying power to the memory to make the computer system enter into the standby mode without rebooting the computer system; powering on the computer system; determining whether a hardware change has been made on the computer system; if no hardware change has been made on the computer system, restoring a setting of the at least one register of the chipset by using the operation mode data in the memory; turning on a monitor of the computer system; executing a validation procedure corresponding to a hard disk of the computer system; checking accuracy of an initialization data of a local advanced programmable interrupt controller (local APIC); and starting the only one OS.