CN1277205C

CN1277205C - Method for setting system operating frequency

Info

Publication number: CN1277205C
Application number: CN02142628.7A
Authority: CN
Inventors: 宋斐文; 林典蔚
Original assignee: Asustek Computer Inc
Current assignee: Asustek Computer Inc
Priority date: 2002-09-05
Filing date: 2002-09-05
Publication date: 2006-09-27
Anticipated expiration: 2022-09-05
Also published as: CN1480846A

Abstract

The present invention relates to a method for setting the working frequency of a system, which comprises the steps that firstly, a computer is reset; secondarily, the working frequency of the system is set according to a basic input/output system (BIOS) by utilizing a jumper-free integrated circuit (IC), and a resetting signal is released; meanwhile, a central processing unit (CPU) is started, and then subsequent start program work is completed.

Description

The method of initialization system frequency of operation

(1) technical field

The method of the relevant a kind of initialization system frequency of operation of the present invention, particularly relevant a kind of can be under the state that computer is reset the method for initialization system frequency of operation.

(2) background technology

Along with advancing by leaps and bounds of information industry and popularizing of computer applications, computer has just like become the electrical appliance of general family indispensability.But because the outfit life cycle speed all very short, that new product is weeded out the old and bring forth the new of computer is very fast, the therefore upgrading that is equipped with for matching computer, the user often must change outfit wherein partly.

Heart central processing unit (CPU) with computer is an example, each big CPU manufacturer in the world at present, comprise that its frequency of operation of CPU product that Intel and AMD release is all inequality, and the frequency of operation of the CPU of same type also is not quite similar, the frequency of operation of different in addition storages is also inequality, and in order to increase the operation usefulness and the elasticity of system, or in order to cooperate the work time pulse of element on the motherboard, computer all has the function design that initialization system frequency of operation aspect is provided at present.

See also shown in Figure 1ly, it is to be the method flow diagram of known techniques for the system works frequency setting; Its step comprises: opening power 10, carry out the computer replacement and set reset signal 11, discharge reset signal and start CPU12 simultaneously, judge that whether the system works frequency conforms to 13 with the system works frequency that Basic Input or Output System (BIOS) (BIOS) sets, if do not meet then and carry out clock pulse chip (clock chip) adjustment program by CPU, the Adjustment System frequency of operation makes it conform to 14 with the BIOS setting value, returns step 11 afterwards, then continues to finish follow-up boot program 15 if be consistent.

In above-mentioned process flow diagram, when computer is set reset signal (assert reset), the chipset of computer motherboard (chipset), CPU and peripheral element will enter original state, again reset signal (deassertreset) is discharged afterwards, this moment, system was that initialization frequency according to clock pulse chip (clock chip) operates, usually the initialization frequency of clock pulse chip is the preset value of computer when dispatching from the factory, if and this original frequency sets with the user and is not inconsistent, BIOS must be adjusted to the frequency that the user sets by the clock pulse chip, and then reset system, system just can move according to user's setpoint frequency, and finishes follow-up in-cycle work program.

Yet, the disadvantage of known techniques is if the frequency of operation that the user sets is with initially different, it must be reset through the computer of secondary can finish the setting of system works frequency, but so not only can cause the prolongation of in-cycle work time, also may cause the chip or the component failure of motherboard inside, even cause the deadlock phenomenon to produce.Therefore, for computer system exploitation dealer, all there's no one who doesn't or isn't be devoted to the improvement of system works frequency setting method, more smooth and easy in the hope of the assignment procedure that allows to the system works frequency.

3 summary of the invention

Fundamental purpose of the present invention is to provide a kind of method of initialization system frequency of operation, it does not need additionally to carry out system and resets in the process of initialization system frequency of operation, its time that not only can save booting computer more can be avoided computer because repeat the computer replacement and cause chip or component failure.

The method of initialization system frequency of operation of the present invention, its step comprises at first sets reset signal, utilize wire jumper free integrated circuit (IC) the system works frequency to be adjusted according to the setting value of Basic Input or Output System (BIOS) (BIOS), close reset signal afterwards and start central processing unit (CPU), continue to finish at last follow-up in-cycle work program again.

As shown in the above description, the present invention is with the different of known techniques maximum, known techniques is the back startup CPU that resets at computer, and when the setting value of finding system works frequency and BIOS does not meet, the system works frequency is adjusted, carry out a computer replacement more again and finish follow-up in-cycle work program; And the present invention is in the state of carrying out the computer replacement, utilizes the frequency of operation of wire jumper free IC according to the setting value Adjustment System of BIOS, and starts CPU when finishing the release reset signal, continues to finish follow-up in-cycle work program again.

Because the present invention is in the process of carrying out the computer replacement, be to utilize wire jumper free IC that the system works frequency is set, and the back startup CPU that discharges at reset signal, it only needs to carry out a computer and resets in whole start process, just can finish the setting of system works frequency, therefore, the present invention not only can save the time of booting computer, more can avoid computer in start process, because carry out too many computer replacement and cause the chip or the component failure of motherboard inside.

For further specifying purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.

4 description of drawings

Fig. 1 is the method flow diagram of known techniques for the system works frequency setting;

Fig. 2 is the method flow diagram for initialization system frequency of operation of the present invention.

5 embodiments

The method of disclosed initialization system frequency of operation is in the process of carrying out the computer replacement, utilizes wire jumper free IC that the system works frequency is set, and discharges the back according to setting value startup CPU at the computer reset signal.

See also shown in Figure 2, it is the method flow diagram for setting CPU frequency of operation of the present invention, its step comprises at first to be carried out the computer replacement and sets reset signal 20, judge whether wire jumper free IC sets, and whether success 23 of booting computer last time, then wire jumper free IC will be according to the frequency of operation 24 of setting value Adjustment System if set, again reset signal is discharged and startup CPU22, otherwise, if do not set or last time the booting computer failure then directly carry out step 22, whether the setting of judging wire jumper free worker C inside is consistent 25 with the system works frequency that BIOS sets, then continue to finish follow-up boot program 26 if be consistent, otherwise then the CPU frequency of operation that BIOS is set writes wire jumper free worker C inside 27, returns step 20 and re-executes the setting reset signal.

The difference of the present invention and known techniques maximum is: the present invention is the frequency of operation of Adjustment System under the state that computer is reset, the present invention also need design a kind of wire jumper free worker C at the adjustment of system works frequency in addition, it is to be a kind of application specific integrated circuit (ASIC), and it can directly change the frequency of operation of system by the magnitude of voltage of control wire jumper.Set in the menu and after finishing the setting of system works frequency, this setting value will write wire jumper free IC inside simultaneously when the user enters Basic Input or Output System (BIOS) (BIOS), and in the process of computer replacement the frequency of operation of Adjustment System.Therefore, after the setting reset signal of step 20 begins to carry out, wire jumper free IC will determine whether and will come the initialization system frequency with the setting value that writes before according to the last time success or not of starting shooting, to avoid the too high system that causes of frequency setting can't start shooting forever.

Because the present invention is in the process of carrying out the computer replacement, be to utilize wire jumper free IC to carry out the setting of system works frequency, and after executing the computer replacement, frequency of operation value according to new settings starts CPU, making the present invention only need to carry out a computer in start process resets, just can finish the setting of system works frequency, therefore, not only can save the time of booting computer, more can avoid computer in start process, to carry out too many computer and reset and cause the chip or the component failure of motherboard inside.

Certainly, those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.

Claims

1. the method for an initialization system frequency of operation is characterized in that, may further comprise the steps:

A. carry out computer and reset, and set reset signal;

Whether the setting of b. judging the wire jumper free integrated circuit has been set and whether success of start last time, then utilizes the frequency of operation of wire jumper free integrated circuit according to the setting value Adjustment System of Basic Input or Output System (BIOS) if yes; If otherwise directly carry out next step;

C. the computer reset signal is discharged, and start central processing unit; After this step is finished, earlier judge whether the setting of wire jumper free integrated circuit conforms to the setting of Basic Input or Output System (BIOS), if the setting that does not conform to then Basic Input or Output System (BIOS) writes in the wire jumper free integrated circuit, and get back to step (a) and re-execute a computer and reset; Otherwise, then carry out steps d if conform to;

D. finish follow-up boot program.

2. the method for initialization system frequency of operation as claimed in claim 1 is characterized in that, the wire jumper free integrated circuit of step (b) is to be a kind of application specific integrated circuit, carries out the Adjustment System frequency of operation with the magnitude of voltage by the control wire jumper.