CN100583037C - ATAT Electrical source compatible ACPI operating system method - Google Patents
ATAT Electrical source compatible ACPI operating system method Download PDFInfo
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- CN100583037C CN100583037C CN200610157021A CN200610157021A CN100583037C CN 100583037 C CN100583037 C CN 100583037C CN 200610157021 A CN200610157021 A CN 200610157021A CN 200610157021 A CN200610157021 A CN 200610157021A CN 100583037 C CN100583037 C CN 100583037C
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Abstract
The present invention relates to a method of AT power supply compatible with an ACPI operating system and comprises the following procedures that: a. after the power-on, BIOS judges the power type; if the power supply is AT power supply, BIOS forcedly sets Power State control logic to a Power ON state. The method of AT power supply compatible with the ACPI operating system of the invention judges the power type through input wires and provides a customized ACPI table for the operating system in order that the operating system has corresponding shutdown processing according to the ACPI table and solves the problems that the prior AT power supply can not be compatible with the ACPI operating system, thereby making the best of the functions of stronger power management and hardware configuration of the ACPI system.
Description
[technical field]
The present invention relates to a kind of method of AT power supply compatible AC-3 PI operating system.
[background technology]
Background of hardware: (full name is Baby-AT to the AT power supply, form by P8 and P9 two group interfaces, each interface has six stitch, support+5.0V ,+12V respectively,-5V,-12V voltage is not supported+3.3V voltage) and the ATX power supply (full name is AT eXternal, and one group of little electric current (5V/100MA) power supply can be provided under off-mode, support the 3.3V low-voltage) be applied in the world that commercial PC field has become the ATX power supply substantially, very few people interested for the AT power supply; But in the industry control industry, because the restriction of a lot of application or structure aspect, the AT power supply still occupies very big market.
Context of software: APM operating system and ACPI operating system-according to power management different, operating system can be divided into this two class, APM (Advanced Program Zoom) system is very big to the degree of dependence of BIOS, carry out power management by the break in service of calling BIOS and providing fully, because the space constraint of BIOS chip, cause the function that can realize very limited; The form that ACPI (advanced configuration and power-management interface) system then provides according to BIOS, carry out hardware configuration and power management by the driving that operating system self provides, therefore the function that can realize far is better than the APM system, still has very widely to use in middle-and high-end applications.
The AT power supply is that the direct break-make by AC power realizes switching on and shutting down, and newer chipset is not directly supported this start mode, how to allow the AT power supply exchange to power on the back to realize that the mainboard normal boot-strap is technological difficulties.Simultaneously because the AT power supply can't cut off by software, how to allow the user at collocation ACPI system closedown (software shutdown) but the time obtain the prompting of a safety shutdown, rather than blank screen then becomes another technological difficulties.
[summary of the invention]
Technical matters to be solved by this invention is, a kind of method of AT power supply compatible AC-3 PI operating system is provided, and solves the problem that existing AT power supply can't compatible AC-3 PI operating system.
The technical solution adopted in the present invention is: a kind of method of AT power supply compatible AC-3 PI operating system is provided, said method comprising the steps of:
A, power on after, BIOS reads the state of incoming line and judges power supply type, if power supply is the AT power supply, BIOS then forces Power State steering logic is made as Power ON state; Described incoming line is universal input/output interface GPIO or the universal input/output interface of Super IO chip or the general input interface of BIOS chip of mainboard host chipset;
B, BIOS provide the ACPI form that does not contain the key word _ S5 that realizes the soft-off operation;
When c, shutdown, described operating system is done corresponding shutdown according to the ACPI form and is handled, but provides the prompting of safety shutdown.
More specifically, described operating system is done corresponding shutdown according to the ACPI form and is handled, but the step that provides the prompting of safety shutdown is specially: described operating system in the ACPI form, do not search realize the soft-off operation _ the S5 key word, prompting can safety shutdown at last.
More specifically, described Power State steering logic is Power State steering logic on the mainboard host chipset and the Power State steering logic on the super IO chip.
More specifically, described incoming line connects the standby voltage pin, and the level of incoming line and AT/ATX power supply type are set up corresponding relation.
More specifically, described Power State steering logic comprises Power State steering logic on the mainboard host chipset and the Power State steering logic on the super IO chip.
More specifically, described ACPI operating system is the operating system of complete compatible AC-3 PI standard.
More specifically, described ACPI operating system is that the operating system of complete compatible AC-3 PI standard is the ACPI operating system of Windows 2000 series or Windows XP series or Microsoft.
The present invention compared with prior art, beneficial effect is: the method for AT power supply compatible AC-3 PI operating system of the present invention is judged power supply type by using incoming line, and the ACPI form that customization is provided is to operating system, make operating system according to the processing of shutting down accordingly of ACPI form, solve the problem that existing AT power supply can't compatible AC-3 PI operating system, thereby can make full use of more powerful power management of ACPI system and hardware configuration function.
[description of drawings]
Fig. 1 is the synoptic diagram of the method for AT power supply compatible AC-3 PI operating system of the present invention.
[embodiment]
The method of AT power supply compatible AC-3 PI operating system of the present invention reads after the state judgement power supply type of incoming line by BIOS, BIOS is made as PowerON at the AT power supply with Power State steering logic, and provide the ACPI form of customization (not provide key word _ S5) to give operating system at the AT power supply, operating system can realize the shutdown mode according to the content of ACPI form, but and provides the prompting of safety shutdown computing machine to the user.
Described incoming line is one of the universal input/output interface of the universal input/output interface GPIO of mainboard host chipset, super IO chip or universal input/output interface of BIOS chip.
Described Power State steering logic comprises Power State steering logic on the mainboard host chipset and the Power State steering logic on the super IO chip.Described Power State steering logic generally has three kinds of states of Power ON/Power Off/Last State, the corresponding start/shutdown that exchanges the back mainboard that powers on/with the preceding state that cuts off the power supply.When being made as Power ON state, can guarantee to exchange can normal boot-strap when powering at every turn.
Described ACPI form is for offering the data form of operating system in internal memory according to ACPI industry standard BIOS.
Described ACPI operating system is the operating system of complete compatible AC-3 PI standard, as Windows2000 series and Windows XP series, and Microsoft's ACPI operating system afterwards.
See also Fig. 1, the method for AT power supply compatible AC-3 PI operating system of the present invention may further comprise the steps:
Step 1: after powering on, BIOS reads the state of incoming line, judges power supply type, if power supply is the AT power supply, BIOS then forces Power State steering logic is made as Power ON state; If being the ATX power supply, power supply just do not do any change.
Described AT power supply is compared obvious different place with the ATX power supply, the AT power supply does not have 5V standby voltage, and described incoming line connects the standby voltage pin, and the level of incoming line and AT/ATX power supply type are set up corresponding relation.Because the difference of circuit design can make 0/1 to represent ATX/AT, also can make 1/0 to represent ATX/AT.Described BIOS reads the incoming line state, is 0 (low level) expression ATX power supply, 1 (high level) expression AT power supply; Described BIOS reads the incoming line state, is: 1 (high level) expression ATX power supply, 0 (low level) expression AT power supply.
Step 2:BIOS customizes corresponding ACPI form, removes the key word S5 of soft-off part in the ACPI form, is transferred to described ACPI operating system.
Step 3: in the time of shutdown, described ACPI operating system is done corresponding shutdown and is handled according to the content of the shutdown project of ACPI form.
The shutdown of ACPI operating system is a final step, can search the key word _ S5 of shutdown project in the ACPI form, and set operation note according to this, after removing the shutdown key word of ACPI form, operating system can not find under the situation of this key word, can provide can the safety shutdown computing machine prompting.
Therefore, under the situation of using the AT power supply, behind the ACPI system soft-off, no longer be that system turns off the blank screen state that the back power supply can't cut off, but give the user interface prompt that can the safety shutdown computing machine.
The method of the compatible AC-3 PI operating system of the AT power supply of the application of the invention under the situation of using the AT power supply, no longer is confined to use APM operating system, can make full use of more powerful power management of ACPI system and hardware configuration function.
Claims (7)
1, a kind of method of AT power supply compatible AC-3 PI operating system is characterized in that, said method comprising the steps of:
A, power on after, BIOS reads the state of incoming line and judges power supply type, if power supply is the AT power supply, BIOS then forces Power State steering logic is made as Power ON state; Described incoming line is universal input/output interface GPIO or the universal input/output interface of Super IO chip or the general input interface of BIOS chip of mainboard host chipset;
B, BIOS provide the ACPI form that does not contain the key word _ S5 that realizes the soft-off operation;
When c, shutdown, described operating system is done corresponding shutdown according to the ACPI form and is handled, but provides the prompting of safety shutdown.
2, the method for AT power supply compatible AC-3 PI operating system as claimed in claim 1 is characterized in that, described operating system is done corresponding shutdown according to the ACPI form and handled, but the step that provides the prompting of safety shutdown is specially:
Described operating system does not search realization soft-off operation _ S5 key word in the ACPI form, prompting can safety shutdown at last.
3, the method for AT power supply compatible AC-3 PI operating system as claimed in claim 1 is characterized in that, described incoming line connects the standby voltage pin, and the level of incoming line and AT/ATX power supply type are set up corresponding relation.
4, the method for AT power supply compatible AC-3 PI operating system as claimed in claim 1 is characterized in that, described Power State steering logic is Power State steering logic on the mainboard host chipset and the Power State steering logic on the super IO chip.
5, the method for AT power supply compatible AC-3 PI operating system as claimed in claim 1 is characterized in that, described Power State steering logic comprises Power State steering logic on the mainboard host chipset and the Power State steering logic on the super IO chip.
6, the method for AT power supply compatible AC-3 PI operating system as claimed in claim 1 is characterized in that, described ACPI operating system is the operating system of complete compatible AC-3 PI standard.
7, the method for AT power supply compatible AC-3 PI operating system as claimed in claim 1, it is characterized in that described ACPI operating system is that the operating system of complete compatible AC-3 PI standard is the ACPI operating system of Windows 2000 series or Windows XP series or Microsoft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610157021A CN100583037C (en) | 2006-11-22 | 2006-11-22 | ATAT Electrical source compatible ACPI operating system method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610157021A CN100583037C (en) | 2006-11-22 | 2006-11-22 | ATAT Electrical source compatible ACPI operating system method |
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| CN101192163A CN101192163A (en) | 2008-06-04 |
| CN100583037C true CN100583037C (en) | 2010-01-20 |
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| CN200610157021A Active CN100583037C (en) | 2006-11-22 | 2006-11-22 | ATAT Electrical source compatible ACPI operating system method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200822A (en) * | 2010-03-24 | 2011-09-28 | 研祥智能科技股份有限公司 | Starting-up circuit compatible with ATX (Advanced Technology Extended) power supply and AT (Advanced Technology) power supply and computer |
-
2006
- 2006-11-22 CN CN200610157021A patent/CN100583037C/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200822A (en) * | 2010-03-24 | 2011-09-28 | 研祥智能科技股份有限公司 | Starting-up circuit compatible with ATX (Advanced Technology Extended) power supply and AT (Advanced Technology) power supply and computer |
| CN102200822B (en) * | 2010-03-24 | 2015-02-04 | 研祥智能科技股份有限公司 | Starting-up circuit compatible with ATX (Advanced Technology Extended) power supply and AT (Advanced Technology) power supply and computer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101192163A (en) | 2008-06-04 |
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