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Method for RTC (Real Time Clock) wake-up system and computer

A computer and operating system technology, applied in the computer field, can solve problems such as system instability and abnormal program termination, and achieve the effect of improving stability and reliability

Active Publication Date: 2015-12-16
SHENZHEN WEIBU INFORMATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the above-mentioned commonly used method is due to the wake-up time set during the boot process. If the operating system is in the boot state for a long time thereafter, for example, the user sets 8:50 to perform RTC wake-up. When the operating system time reaches 8:50, the system will It is still powered on, and the operating system is not in S x state, then the relevant interrupts generated at this time will lead to abnormal events such as system instability and abnormal termination of running programs.

Method used

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  • Method for RTC (Real Time Clock) wake-up system and computer
  • Method for RTC (Real Time Clock) wake-up system and computer

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Embodiment 1

[0038] See figure 1 , figure 1 It is a schematic flowchart of a method for waking up a system by an RTC according to an embodiment of the present invention. This method can be applied to the timing wake-up of the computer, and is executed by the BIOS of the mainboard of the computer, and the specific process is as follows:

[0039] (S1) Judging whether the operating system starts to execute and enters the power saving mode state (S x ) operation, power saving mode status (S x ) including the sleep state (S 1 , S 3 ), standby (S 4 ) and shutdown status (S 5 one of );

[0040] (S2) If the operating system starts to execute and enters the power saving mode state (S x ) operation, the RTC wake-up parameter set by the user is obtained from the memory storing the BIOS parameter;

[0041](S3) judge whether to start the RTC wake-up system function according to the RTC wake-up parameter, if so, the RTC wake-up parameter is written in the relevant wake-up register of the memory...

Embodiment 2

[0063] See figure 2 , figure 2 It is a schematic flowchart of another method for waking up a system by an RTC according to an embodiment of the present invention. This embodiment describes in detail the method for waking up the system by RTC of the present invention on the basis of the above-mentioned embodiments, wherein, in the process of waking up by RTC, the registers that BIOS can operate are divided into three categories: (1) control registers, such as whether to allow RTC to wake up , RTC wake-up mode (12 hours, 24 hours); (2) data register, the specific wake-up time set by the user, BIOS needs to get these and fill them into the data register; (3) status register, this register It is automatically set by the system. For example, when an RTC wake-up event occurs, this register will be automatically set to 1 by the system, and the BIOS can perform a clear operation (for example, change 1 to 0). Specifically, the method of this embodiment includes the following steps:...

Embodiment 3

[0078] See image 3 , image 3 It is a schematic structural diagram of a computer according to an embodiment of the present invention. The computer in this embodiment may be a desktop computer (Desktop), a computer integrated machine (Computerintegratedmachine), a notebook computer (Notebook or Laptop), and the like. The computer 10 includes: a display screen 11 , a power supply 12 , a main board 13 and a graphics card, a network card, a sound card and a hard disk drive integrated on the main board 13 . Wherein, the motherboard 13 is provided with a BIOS 131, and the BIOS 131 can execute the method for waking up the system by the RTC in the above-mentioned embodiment.

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Abstract

The invention relates to a method for an RTC (Real Time Clock) wake-up system and a computer. The method for the RTC wake-up system comprises the following steps of: judging whether an operating system starts to execute an operation for entering a power saving mode state (S<x>) or not, wherein the power saving mode state (S<x>) includes one of dormant states (S<1> and S<3>), a standby state (S<4>) and a power-off state (S<5>); if the operating system starts to execute the operation for entering the power saving mode state (S<x>), obtaining an RTC wake-up parameter set by a user from a memory storing BIOS (Basic Input / Output System) parameters; judging whether to start the function of the RTC wake-up system or not according to the RTC wake-up parameter; if so, writing the RTC wake-up parameter into a relevant wake-up register of the memory storing computer startup information; setting a southbridge and the control register of the memory so that the operating system executes the operation for entering a normal work state (S<0>) at the time set by the user. The embodiment of the invention has the advantages that the problem of system abnormality due to interruption triggered by an RTC wake-up event in the normal operating process of the system is avoided; and the stability and the reliability of the system are improved.

Description

technical field [0001] The invention belongs to the technical field of computers, and in particular relates to a method for waking up a system by an RTC and a computer. Background technique [0002] When the computer motherboard is designed, considering the convenience and efficiency of the user, the motherboard Basic Input & Output System (Basic Input & Output System, referred to as BIOS) provides a timing boot function, that is, a real-time clock chip (RealTimeClock, referred to as RTC) to wake up the system function. The implementation method of the RTC wake-up system is that the BIOS provides a switch whether to enable the RTC wake-up function, and for enabling or disabling the RTC wake-up function, the BIOS runs different processes and executes different programs. The specific boot time can be set by the user in the configuration interface provided by the BIOS. For example, if a user goes to work at 9:00 in the morning, he can set the BIOS to automatically start up at ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/445
Inventor 郭齐运黄建新
Owner SHENZHEN WEIBU INFORMATION
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