CN100367208C - Method of starting up computer by sequentially selecting memory module - Google Patents
Method of starting up computer by sequentially selecting memory module Download PDFInfo
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- CN100367208C CN100367208C CNB2004100624340A CN200410062434A CN100367208C CN 100367208 C CN100367208 C CN 100367208C CN B2004100624340 A CNB2004100624340 A CN B2004100624340A CN 200410062434 A CN200410062434 A CN 200410062434A CN 100367208 C CN100367208 C CN 100367208C
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Abstract
The present invention relates to a method for starting a computer by orderly selecting memory modules used for starting the computer. The parameters of the basic output and input system of the computer are loaded into a first memory module of the memory module to compare whether the parameters stored in the first memory module accord with the initial parameters of the basic output and input system. If compared results are consistent, subsequent starting operation is carried out. Otherwise, the first memory module is marked into a failure memory module, a defective memory module is discarded, and the parameters are loaded into a next first memory module for the comparison of the next first memory module. The comparison is orderly carried out in such a way until a memory module used for starting the computer is found. The computer can not be started only when all the memory modules used for starting the computer are damaged, so that the problem that the computer can not be started when the first memory module is damaged in the traditional starting mode is solved.
Description
Technical field
The present invention relates to a kind of method of start, refer in particular to and a kind ofly can find out the memory modules that to start shooting automatically, with the method for avoiding to start shooting of selecting capable of starting up memory modules to start shooting in regular turn.
Background technology
(Single In-line Memory Module is called for short: SIMM) be the minitype circuit board that contains many group memory chips (Memory Chip) Dual in Line Memory Module (Dual In-line Memory Module is called for short DIMM) with single memory modules in upright arrangement.The configuration format of Dual in Line Memory Module has 72,144 and 168 terminals (pin), the left and right sides edge joint of so-called " two (Dual) " expression golden finger is to different signals, it includes random access memory (Random Access Memory, be called for short RAM) chip, can be described as by two list memory models merging in upright arrangement and form, it also can the single or double manufacturing as single memory modules in upright arrangement.If Dual in Line Memory Module is installed on the motherboard, do not need paired interpolation Dual in Line Memory Module, can mix pairing.For example, you can (Mega Byte, be called for short: Dual in Line Memory Module MB) be installed on the slot on 32MB Dual in Line Memory Module next door with one 64 megabyte.Dual in Line Memory Module is with the difference of single memory modules in upright arrangement, the terminal of the former circuit board both sides, its independent circuits is respectively arranged, and the circuit of the terminal of latter both sides is connected together, anticipate promptly, the terminal of Dual in Line Memory Module both sides respectively has it specifically defined, and make its access path that broad is provided, make its single memory modules in upright arrangement of data rate fast.
With the Dual in Line Memory Module of 168 terminals, be 64 bits (bit) to the access path of its memory chip.If central processing unit (Central Processing Unit, be called for short: bus CPU) (BUS) equally is 64 a access path, just only need do once complete access (Access) action to memory modules, so motherboard (Main Board, or title Mother Board) on, only needs a Dual in Line Memory Module.And also comprise an Erasable Programmable Read Only Memory EPROM (ErasableProgrammable Read-Only Memory in this Dual in Line Memory Module, be called for short: EPROM) for ROM-BIOS (BasicInput Output System, be called for short: BIOS) store various parameters, and, set a chipset (Chip set) and reach optimum condition according to these parameters.On high-order PC or workstation, the Dual in Line Memory Module that uses is then based on 200 pins, 72 ACCESS bus is provided, wherein 64 is data itself, all the other eight as error detection sign indicating number (Error Checking and Correction Code, abbreviation: ECC) use.
And ROM-BIOS is the most basic software in the booting computer startup, when dispatching from the factory for motherboard, with the start various basic parameters or burning program in Flash ROM, meaning is that its basic functions is exactly the basic setting value that is used for remembering computer, and the user also can see through the correlation parameter that ROM-BIOS be set each hardware in power on mode and this computer simultaneously.General computer is when start, and the testing that this ROM-BIOS can be started shooting (Power On Self Test) is to determine the basic configuration of each hardware of computer.For example, during general booting computer, this ROM-BIOS can be carried out three times access test to memory modules and (then only can be done once if be set as after the enabled, the time that can accelerate to start shooting), and then with the various parameters of its storage, be written in the Erasable Programmable Read Only Memory EPROM of this Dual in Line Memory Module, make the software (as: operating system) of follow-up startup, can obtain the configuration setting of each hardware of this computer.
Only, present most computer sees also shown in Figure 1ly, and the various parameters that its ROM-BIOS will store are loaded into the mode of memory modules, are to handle according to following step:
Do you step 103, judge that this n position memory modules exists? if exist, carry out step 101; Otherwise, continue following step 104;
Therefore as can be known; if the parameter that this first place memory modules kind is stored and the initial parameter of this ROM-BIOS do not meet; promptly should the first place memory modules can't this ROM-BIOS of normal storage parameter; then this ROM-BIOS will can not be written into its stored various parameters in these memory modules, make this computer finish boot program smoothly, cause computer to shut down; program can't continue to carry out; no picture, and system do not have any prompting character, and very inconvenient.
Because aforementioned known power on mode is when the first memory modules breaks down, the i.e. defective that can't start shooting, the inventor is manufacturing experience and the technology accumulation of being engaged in computer and server according to it, method at the various solutions of the concentrated research of above-mentioned defective, after through constantly research, experiment and improvement, finally development and Design goes out a kind of method of selecting capable of starting up memory modules to start shooting in regular turn of the present invention, to overcome the defective that known technology is derived.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of method of selecting capable of starting up memory modules to start shooting in regular turn is provided, can finding out the memory modules that can start shooting automatically, and exempts the disappearance that can't start shooting.
Technical solution of the present invention is: a kind of method of selecting capable of starting up memory modules to start shooting in regular turn, this method is the various parameters that it is stored of the ROM-BIOS (BIOS) in this computer, before being written into the memory modules of being installed on the memory module slot of motherboard of this computer, earlier these memory modules are detected in regular turn, whether existed to judge described memory modules;
With the various parameters of this ROM-BIOS, be written in these the first memory modules that can use memory modules again;
Then, whether stored parameter in this first place memory modules of comparing again is consistent with the initial parameter of this ROM-BIOS, if comparison result for meeting, then utilizes the stored parameter of this first place memory modules, carries out follow-up in-cycle work;
Otherwise should be denoted as the failure memory module by the first place memory modules, and give up the memory modules of this fault, and these parameters are written in the next bit memory modules, and carry out the comparison of this next bit memory modules, so, constantly compare in regular turn, till finding out the memory modules that to start shooting.
The aforesaid method of selecting capable of starting up memory modules to start shooting in regular turn, wherein when this computer carries out follow-up in-cycle work, this ROM-BIOS can be with the normal information of the memory modules of access, be sent to the set control circuit of motherboard of this computer, make the display of this computer can show an error message picture, make this picture can supply to observe, and as the foundation of keeping in repair this computer.
The aforesaid method of selecting capable of starting up memory modules to start shooting in regular turn, wherein this memory modules can be a pair of memory modules in upright arrangement.
The aforesaid method of selecting capable of starting up memory modules to start shooting in regular turn, wherein this computer can be a PC.
The aforesaid method of selecting capable of starting up memory modules to start shooting in regular turn, wherein this computer can be a server.
The aforesaid method of selecting capable of starting up memory modules to start shooting in regular turn, wherein this memory modules is provided with at least one module, this computer is with " bit0 " expression the 1st memory modules (DIMM#1), with " bit1 " expression the 2nd memory modules (DIMM#2), with " bit (n-1) " expression n position memory modules (DIMM#n), in addition, increase the quality of byte flag record memory modules, being 0 to represent good memory modules with flag value, the memory modules of fault is 1 to represent with flag value then.
The method of selecting capable of starting up memory modules to start shooting in regular turn of the present invention, when the ROM-BIOS of the computer various parameters that it is stored are written into the memory modules of this computer, parameter is written in the first memory modules of these memory modules, comparing, whether stored parameter is consistent with the initial parameter of this ROM-BIOS in this first place memory modules again, if comparison result is for meeting, then carry out follow-up in-cycle work, otherwise should be denoted as the failure memory module by the first place memory modules, and give up the memory modules of this fault, and these parameters are written in the next bit memory modules, carry out the comparison of this next bit memory modules, so, compare in regular turn, till finding out the memory modules that to start shooting.The situation that can't start shooting only when all memory modules that can carry out in-cycle work all damage, just can take place in computer.Therefore, can exempt the situation that traditional power on mode can't be started shooting when the first memory modules breaks down.
Description of drawings
Fig. 1 is the action flow chart of known power on mode.
Fig. 2 is the action flow chart of power on mode of the present invention.
Embodiment
In order to do further understanding and understanding, for the embodiment conjunction with figs., be described in detail as follows now technical scheme of the present invention, shape, constructing apparatus feature and effect thereof:
The present invention is a kind of method of selecting capable of starting up memory modules to start shooting in regular turn, this method is in this computer (as: PC, server ... etc.) ROM-BIOS (BIOS) the various parameters that it is stored, it is preceding to be loaded into the memory modules of being installed on the memory module slot of motherboard of this computer (as: Dual in Line Memory Module), earlier these memory modules are detected in regular turn, to pick out spendable memory modules, again with the various parameters of this ROM-BIOS, be written in these the first memory modules that can use memory modules, and then whether stored parameter is consistent with the initial parameter of this ROM-BIOS in this first place memory modules of comparing, if comparison result is for meeting (representing normally access parameter of this first place memory modules), then utilize the stored parameter of this first place memory modules, carry out follow-up in-cycle work, otherwise should be denoted as the failure memory module by the first place memory modules, and give up the memory modules of this fault, and these parameters are written in the next bit memory modules, and carry out the comparison of this next bit memory modules, so, constantly compare in regular turn, till finding out the memory modules that to start shooting, this computer is only under all can carry out situation that the memory modules of in-cycle work all damages, the situation that can't start shooting just can take place, therefore, can exempt traditional power on mode when the first memory modules breaks down, i.e. situation about can't start shooting.
In the present invention, when this computer carries out follow-up in-cycle work, this ROM-BIOS can be with the normal information of the memory modules of access, be sent to the set control circuit of motherboard of this computer, make the display of this computer can show an error message picture, make this picture be available for users to observe, and as the foundation of keeping in repair this computer.
In the present invention, this memory modules is provided with at least one module (as: being provided with four modules), wherein this computer is with " bit0 " expression the 1st memory modules (DIMM#1), with " bit1 " expression the 2nd memory modules (DIMM#2), with " bit2 " expression the 3rd memory modules (DIMM#3), with " bit3 " expression the 4th memory modules (DIMM#4), with " bit (n-1) " expression n position memory modules (DIMM#n), in addition, the marking mode of this memory modules quality, can utilize the byte flag mode of increasing to represent, is 0 to represent good memory modules with flag value, and the memory modules of fault is 1 to represent with flag value then.(for example: indicate the 1st memory modules when being fault, represent) with bit0 flag value 1,
In one embodiment of this invention, see also shown in Figure 2ly, start shooting when handling when this computer, its ROM-BIOS will be handled according to following step:
Do you step 203, judge that this n position memory modules exists? if exist, carry out step 210; Otherwise, carry out step 204;
According to as can be known above-mentioned, method of the present invention can be in a plurality of memory modules of this computer, automatically compare, and find out the memory modules that to start shooting, make the software (as: operating system) of follow-up startup, can obtain the configuration setting of each hardware of this computer, exempt traditional power on mode when the first memory modules breaks down, i.e. situation about can't start shooting.And the present invention and the normal information of the memory modules of access (memory modules that promptly breaks down) can being shown on the display, for the reference that maintenance person is keeped in repair this computer, be convenient incomparably.
Though the present invention discloses with specific embodiment; but it is not in order to limit the present invention; any those skilled in the art under the prerequisite that does not break away from design of the present invention and scope or according to equivalent variations and modification that scope of patent protection of the present invention is done, all should still belong to the category that this patent is contained.
Claims (6)
1. method of selecting capable of starting up memory modules to start shooting in regular turn, this method is in the ROM-BIOS of this computer various parameters that it is stored, before being written into the memory modules of being installed on the memory module slot of motherboard of this computer, earlier these memory modules are detected in regular turn, whether existed to judge described memory modules;
With the various parameters of this ROM-BIOS, be written in the first memory modules of memory modules of these existence;
Compare parameter stored in this first place memory modules and whether be consistent, if comparison result for meeting, then utilizes the stored parameter of this first place memory modules to carry out follow-up in-cycle work with the initial parameter of this ROM-BIOS;
Otherwise, should be denoted as the failure memory module by the first place memory modules, and give up the memory modules of this fault, and these parameters are written in the next bit memory modules, and carry out the comparison of this next bit memory modules, so, constantly compare in regular turn, till finding out the memory modules that to start shooting.
2. the method for selecting capable of starting up memory modules to start shooting in regular turn as claimed in claim 1, it is characterized in that: when this computer carries out follow-up in-cycle work, this ROM-BIOS can be with the normal information of the memory modules of access, be sent to the set control circuit of motherboard of this computer, make the display of this computer can show an error message picture, make this picture can supply to observe, and as the foundation of keeping in repair this computer.
3. the method for selecting capable of starting up memory modules to start shooting in regular turn as claimed in claim 1 is characterized in that: this memory modules can be a pair of memory modules in upright arrangement.
4. the method for selecting capable of starting up memory modules to start shooting in regular turn as claimed in claim 1 is characterized in that: this computer can be a PC.
5. the method for selecting capable of starting up memory modules to start shooting in regular turn as claimed in claim 1 is characterized in that: this computer can be a server.
6. the method for selecting capable of starting up memory modules to start shooting in regular turn as claimed in claim 1, it is characterized in that: this computer is the 1st memory modules, is the 2nd memory modules, is n position memory modules with " bit (n-1) " mark memory modules with " bit1 " mark memory modules with " bit0 " mark memory modules respectively, and increase the quality of a byte flag marker memory modules, being 0 to represent good memory modules with flag value, the failure memory module is 1 to represent with flag value then.
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CNB2004100624340A CN100367208C (en) | 2004-07-07 | 2004-07-07 | Method of starting up computer by sequentially selecting memory module |
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CNB2004100624340A CN100367208C (en) | 2004-07-07 | 2004-07-07 | Method of starting up computer by sequentially selecting memory module |
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CN100367208C true CN100367208C (en) | 2008-02-06 |
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Families Citing this family (2)
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US7162627B2 (en) * | 2004-07-28 | 2007-01-09 | Inventec Corporation | Method of sequentially selecting bootable memory module for booting |
CN101526907B (en) * | 2008-03-04 | 2012-06-20 | 深圳市爱国者嵌入式系统科技有限公司 | Flash memory management method without startup errors of electronic product |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001014222A (en) * | 1999-06-30 | 2001-01-19 | Toshiba Corp | Computer system and method for limiting memory mounting |
US6243823B1 (en) * | 1998-10-02 | 2001-06-05 | International Business Machines Corporation | Method and system for boot-time deconfiguration of a memory in a processing system |
US6535992B1 (en) * | 1998-12-10 | 2003-03-18 | Mitac International Corp. | DRAM auto-swapping device |
TW576965B (en) * | 2002-10-21 | 2004-02-21 | Inventec Corp | Method for automatically switching booting mode |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6243823B1 (en) * | 1998-10-02 | 2001-06-05 | International Business Machines Corporation | Method and system for boot-time deconfiguration of a memory in a processing system |
US6535992B1 (en) * | 1998-12-10 | 2003-03-18 | Mitac International Corp. | DRAM auto-swapping device |
JP2001014222A (en) * | 1999-06-30 | 2001-01-19 | Toshiba Corp | Computer system and method for limiting memory mounting |
TW576965B (en) * | 2002-10-21 | 2004-02-21 | Inventec Corp | Method for automatically switching booting mode |
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