CN1365034A - Storage conversion device and its interface card, mainboard and storage module interface - Google Patents
Storage conversion device and its interface card, mainboard and storage module interface Download PDFInfo
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- CN1365034A CN1365034A CN 01101614 CN01101614A CN1365034A CN 1365034 A CN1365034 A CN 1365034A CN 01101614 CN01101614 CN 01101614 CN 01101614 A CN01101614 A CN 01101614A CN 1365034 A CN1365034 A CN 1365034A
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Abstract
One SDR and DDR converter and its interface card, mainboard and storage module interface are provided. The converter had DDR interface element used in signal exchange with DDR element, SDR interface element used in signal exchange with SDR element, and key converting element to interconvert between the DDR command and data from and the SDR command and data form.
Description
The present invention relates to a kind of storage conversion device and use the device of this conversion equipment, and be particularly related to the conversion equipment and interface card, motherboard, memory module, portable computer main frame plate and the portable computer memory module of using this conversion equipment of a kind of SDR and DDR.
Because progressing greatly of computer technology and processing procedure, encapsulation technology not only has the growth of advancing by leaps and bounds on the processing speed of central processing unit (CPU, CentralProcessing Unit), many changes are also arranged on storer.Along with the lifting that memory access rate is required, storer commonly used is also from incipient dynamic RAM (DRAM), growth data output random access memory (EDORAM) etc. are grown into most common synchronization dynamic RAM (SDRAM) now always.And on present market, another kind of novel memory module is arranged again, that is the SDRAM of Double Data Rate (DDRSDRAM) becomes to have fast.
Yet,, also can bring a little defective simultaneously though technique improvement can bring many advantages fast.Obvious defects is exactly to eliminate the quickening of speed.Along with the DDR SDRAM appearance of (back claims DDR), the status of SDRAM (then claim SDR) being replaced just gradually by DDR, but the price of DDR product is still high than the price of SDR, therefore also begin on the market many DDR and the conversion equipment between the SDR to occur, so that SDR can still can occupy a position on the ground on market when DDR is about to propagate its belief on a large scale.But DDR on the market and the converter of SDR only can use SDR or DDR separately at present, and the function that can not provide SDR and DDR to use simultaneously, so regular meeting makes the consumer face the necessary conforming problem of storer when buying storer.
Though and some chip is known as and can supports SDR and two kinds of memory modules of DDR simultaneously on the market, it must could support different memory modules by transition status.That is to say, when will use the DDR memory module, just support mode must be converted to DDR, and the SDR memory module just can't be used this moment; When will use the SDR memory module, just support mode must be converted to SDR conversely speaking,, this moment, the DDR memory module also just can't be used; Can support the operation of SDR and two kinds of memory modules of DDR though that is to say these chips, at the same time, only can select a mode of operation, and can't use SDR and two kinds of memory modules of DDR simultaneously.
In view of this, the object of the invention is the interface card, motherboard and the storage module interface that the conversion equipment of a kind of SDR and DDR are provided and use it.SDR proposed by the invention and the conversion equipment of DDR make at the various devices that use this conversion equipment, among interface card, motherboard and portable computer main frame plate etc., can use SDR and DDR simultaneously, connect this and solve the necessary consistent problem of storer originally.
The invention provides the conversion equipment of a kind of SDR and DDR, comprising: a ddr interface element, in order to carry out signal exchange with a DDR element; One SDR interface element is in order to carry out signal exchange with a SDR element; One clock controller will be converted to this conversion equipment and the employed clock of this SDR element by the clock signal that this DDR element is sent here; One instruction control unit becomes corresponding SDR instruction with obtained DDR instruction transformation, and starts a data-switching mechanism when carrying out the data read write command; One state working storage group is in order to store the data in ddr interface employed module working storage group and the expansion module working storage group; And a DTU (Data Transfer unit), be converted to the data mode that is applicable to SDR in order to data mode, and the data mode of SDR is converted to the data mode that is applicable to DDR DDR.
The present invention also provides the conversion equipment of a kind of SDR and DDR, comprising: a ddr interface element, in order to carry out signal exchange with a DDR element; One SDR interface element is in order to carry out signal exchange with a SDR element; And one the conversion core parts, the instruction and the data mode that convert instruction and the data mode of DDR to SDR, reach this SDR element by this SDR interface element, and, reach this DDR element by this ddr interface element with instruction and data mode that instruction and the data mode of SDR converts DDR to.
The present invention also provides the interface card of the conversion equipment of a kind of SDR of use and DDR, is applicable on the circuit board of supporting the DDR module, has the chipset of a support DDR on this circuit board at least, and this interface card comprises at least: at least one SDR module array; And the conversion equipment of SDR and a DDR, this conversion equipment comprises: a ddr interface element is connected on this circuit board of supporting the DDR module, in order to carry out signal exchange with this chipset; One SDR interface element connects this SDR module array, in order to carry out signal exchange with this SDR module array; And one the conversion core parts, the instruction and the data mode that convert instruction and the data mode of DDR to SDR, reach this SDR module array by this SDR interface element, and, be sent to this chip module of supporting DDR by this ddr interface element with instruction and data mode that instruction and the data mode of SDR converts DDR to.
The present invention also provides the motherboard of the conversion equipment of a kind of SDR of use and DDR, comprising: a chipset, support to use the DDR module; And the conversion equipment of one the one SDR and DDR, this conversion equipment comprises: one first ddr interface element, in order to carry out signal exchange with this chipset; One the one SDR interface element provides at least one SDR module slot; And one first conversion core parts, the instruction and the data mode that convert instruction and the data mode of DDR to SDR, and the director data formal transformation of SDR is become instruction and the data mode of DDR; Wherein when using at least one SDR module, this SDR module is by this SDR module slot and a SDR interface element, and the data of SDR are sent to this first conversion core parts, exports DDR data and instruction to this chipset by these first conversion core parts; What these first conversion core parts were same will become SDR instruction and data mode from the DDR instruction transformation of this chipset, pass to this SDR module via a SDR interface element.
The present invention also provides the memory module of the conversion equipment of a kind of SDR of use and DDR, is applicable to be installed in the DDR module slot, and this memory module comprises: at least two SDR module slots; One ddr interface element is in order to connect this memory module and this DDR module slot, to carry out signal exchange; One SDR interface element connects those SDR module slots to carry out signal exchange; And one the conversion core parts, the instruction and the data mode that convert instruction and the data mode of DDR to SDR, transmit by this SDR interface element, and, transmit by this ddr interface element with instruction and data mode that instruction and the data mode of SDR converts DDR to.
The present invention also provides the portable computer main frame plate of the conversion equipment of a kind of SDR of use and DDR, comprising: a chipset, support to use the DDR module; And the conversion equipment of SDR and a DDR, comprise a ddr interface element, in order to carry out signal exchange with this chipset, one SDR interface element provides at least two SO-DIMM slots, conversion core parts, the instruction and the data mode that convert instruction and the data mode of DDR to SDR, transmit by this SDR interface element, and, transmit by this ddr interface element with instruction and data mode that instruction and the data mode of SDR converts DDR to.
The present invention also provides the portable computer memory module of the conversion equipment of a kind of SDR of use and DDR, comprising: at least two memory modules; And the conversion equipment of SDR and a DDR, comprise a ddr interface element, in order to carry out signal exchange with a SO-DIM slot, one SDR interface element, those memory modules are carried out signal exchange, conversion core parts, the instruction and the data mode that convert instruction and the data mode of DDR to SDR, transmit by this SDR interface element, and, transmit by this ddr interface element with instruction and data mode that instruction and the data mode of SDR converts DDR to.
The present invention proposes the conversion equipment of a kind of SDR and DDR, and this conversion equipment has the ddr interface element, SDR interface element, clock controller, instruction control unit, state working storage group, and DTU (Data Transfer unit).Wherein, the ddr interface element is in order to carry out signal exchange with the DDR element; The SDR interface element is then in order to carry out signal exchange with the SDR element.Clock controller will be converted to conversion equipment and the employed clock of SDR element by the clock signal that the DDR element is delivered to, and also offer this simultaneously and install employed internal clocking.Instruction control unit then becomes obtained DDR instruction transformation corresponding SDR instruction, and log-on data is changed the mechanism when carrying out the data read write command.State working storage group is in order to store the employed module working storage of ddr interface group (Mode Register Set, MRS) with expansion module working storage group (Extended Mode Register Set, EMRS) data in, and provide transitional information to make suitable instruction and data-switching to instruction control unit.DTU (Data Transfer unit) then is converted to the data kenel that is applicable to SDR in order to the data kenel with DDR, and the data kenel of SDR is converted to the data kenel that is applicable to DDR.
And in a preferred embodiment of the invention, DTU (Data Transfer unit) has comprised that data cover and Strobe Controller DDR to a SDR data converter, and SDR to a DDR data converter.Wherein, data are covered DDR data mask signal (the Data Mask Signal that is transmitted in order to obtain the DDR element with Strobe Controller, DM Signal) with DDR data strobe signal (Data StrobeSignal, DQS Signal), and DDR data mask signal is converted to SDR mask signal (DQM), the DDR data strobe signal then is converted into the signal of data in the access SDR element.In addition, data are covered with Strobe Controller and also can be transmitted the DDR data strobe signal according to the order of instruction control unit to the DDR element.DDR and SDR data converter then convert the serial signal of DDR element to parallel signal, and according to the order of instruction control unit, and the parallel signal of conversion gained separately is transferred to two SDR elements.SDR to DDR data converter then is that the data-signal with two SDR elements changes into the employed serial signal of DDR element, and transfers to the DDR element according to the serial signal that the order of instruction control unit will be changed gained.
In sum, the present invention makes SDR normally to operate in system that supports DDR or device, and does not need and will support the system of DDR or install whole system or the device of supporting SDR that convert to by set up transition duct between DDR and SDR.Therefore can be so that the normal simultaneously running of SDR and DDR.
Can not need to purchase new DDR memory module for the user, use device of the present invention, can make the memory module of the only SDR effect promoting of script to the effect that possesses DDR in conjunction with existing SDR memory module.
Concerning the manufacturer, when printed circuit board (PCB)s such as making interface card, motherboard, can the lower SDR chip of alternative costs, cooperate device of the present invention, can make product have the data processing effect of DDR equally, make the existing product of the products and marketing of being produced have same quality and effect, but its cost of manufacture can significantly reduce.
For above-mentioned and other purposes of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below:
The simple declaration of accompanying drawing:
Fig. 1 illustrates the calcspar of conversion equipment according to a preferred embodiment of the invention;
Fig. 2 illustrates interface card calcspar according to a preferred embodiment of the invention;
Fig. 3 illustrates motherboard calcspar according to a preferred embodiment of the invention;
Fig. 4 illustrates memory module calcspar according to a preferred embodiment of the invention;
Fig. 5 illustrates memory module calcspar according to another preferred embodiment of the invention;
Fig. 6 illustrates the motherboard calcspar of portable computer according to a preferred embodiment of the invention; And
Fig. 7 illustrates the calcspar of the memory module of portable computer according to a preferred embodiment of the invention.Label declaration:
10,220,314,320,410,520,620, the conversion equipment of 720:SDR and DDR
12: conversion core parts 14:DDR interface element
18:SDR interface element 20: interface card
30: motherboard 40,50: memory module
60: the motherboard of portable computer
70: the memory module of portable computer
120: clock controller 122: instruction control unit
124: state working storage group 126: DTU (Data Transfer unit)
210,310,620: chipset
230, the 240:SDR module array
312:DDR slot 316:SDR module/slot
322:SDR slot 412,414:SDRAM
420,580:DDR interface golden finger
430,560: the voltage transformation element
540,542,544,546,740, the 742:SDR module
The 660:SO-DIMM memory array
662,664:SO-DIMM memory module/slot
The 760:SO-DIMM golden finger
1260: data are covered and Strobe Controller
1262:SDR to DDR data converter
1264:DDR to SDR data converter
Preferred embodiment:
Please refer to Fig. 1, it illustrates the calcspar of conversion equipment according to a preferred embodiment of the invention.Among the conversion equipment 10 of SDR and DDR, comprised 14, one SDR interface elements 18 of a ddr interface element, and conversion core parts 12, this conversion equipment 10 can " SDDR " name.Wherein, ddr interface element 14 is in order to carry out signal exchange with the DDR element.SDR interface element 18 then is in order to carry out signal exchange with the SDR element.In Fig. 1, also show the calcspar of a preferred embodiment of the internal circuit of changing core parts 12 in more detail.In this embodiment, conversion core parts 12 have comprised 122, one state working storages of 120, one instruction control units of clock controller group 124, and a data conversion equipment 126.Wherein, (CCK CCK#) converts conversion equipment 10 and the employed clock of SDR element (MCK) to the clock signal that clock controller 120 will be delivered to by the DDR element.Instruction control unit 122 then converts obtained DDR instruction (comprising CCS, CRAS CCAS, CBA etc.) to corresponding SDR instruction (MCS, MRAS, MCAS, MBA etc.), and log-on data conversion equipment 126 provides when carrying out the data read write command, is called the function of data-switching mechanism.(Mode Register Set is MRS) with expansion module working storage group (Extended Mode Register Set, EMRS) data in and state working storage group 124 is in order to store the used module working storage group of ddr interface.126 data kenels with DDR of DTU (Data Transfer unit) are converted to the data kenel that is applicable to SDR, and the data kenel of SDR is converted to the data kenel that is applicable to DDR.
In Fig. 1, also show the calcspar of a preferred embodiment of the internal circuit of DTU (Data Transfer unit) 126 in more detail.In this embodiment, DTU (Data Transfer unit) 126 has comprised that data cover and 1260, one SDR to DDR data converters 1262 of Strobe Controller, and DDR to a SDR data converter 1264.Wherein, data are covered DDR data mask signal (the Data Mask Signal that is transmitted in order to obtain the DDR element with Strobe Controller 1260, DM Signal) with DDR data strobe signal (Data Strobe Signal, DQS Signal), and DDR data mask signal is converted to SDR mask signal (DQM), the DDR data strobe signal then is converted into the signal of data in the access SDR element.In addition, data are covered with Strobe Controller 1260 and also can be transmitted the DDR data strobe signal to the DDR element according to the order of instruction control unit 122.DDR to SDR data converter 1264 then converts the serial signal of DDR element to parallel signal, and according to the order of instruction control unit 122, and the parallel signal of conversion gained separately is transferred to two SDR elements.1262 of SDR to DDR data converters are that the data-signal with two SDR elements changes into the employed serial signal of DDR element, and transfer to the DDR element according to the serial signal that the order of instruction control unit 122 will be changed gained.
Because DDR sends two bits (bit) in one-period (cycle), and SDR only can send a bit in one-period, so DDR all is better than SDR on processing speed and efficient, in the above-described embodiments, be the conversion equipment that designs SDR and DDR in the mode of corresponding two the SDR elements of a DDR element.But those skilled in the art will know that, in fact also can one the mode of the corresponding SDR element of DDR element design this conversion equipment, but its efficient will reduce obviously, if will keep identical efficient, then the frequency of SDR must be increased to the twice that is about DDR, just can make the SDR output bit identical with DDR, it is also difficult that but desire improves its processing procedure of frequency of SDR, therefore required cost also can improve relatively, and advantageous applications hereat of the present invention still is to use two groups of SDR modules to produce the efficient of DDR.
Next please refer to Fig. 2, its demonstration be according to a preferred embodiment of the invention interface card calcspar.Among interface card 20, comprised chipset 210, one conversion equipments 220 of supporting to use the DDR module, and two SDR module arrays 230 and 240.Wherein, in order to make calcspar become apparent, the connecting line that the ddr interface element of conversion equipment 220 and SDR interface element only are connected with chipset 210 and SDR module array 230,240 is respectively represented.With the connected mode of this kind device, just can on the interface card of supporting the DDR module, use the SDR module.
Next please refer to Fig. 3, shown in it is according to a preferred embodiment of the invention motherboard calcspar.Among motherboard 30, comprised a chipset 310 of supporting the DDR module, 312, two conversion equipments 314 of DDR slot and 320, and SDR module/slot 316 and 322.
Must be noted that the also nonessential existence simultaneously of two conversion equipments 314 and 320.Only be in order to illustrate that simultaneously two kinds of convenience on the situation just are plotted in it together in the present embodiment.Wherein a kind of situation is, can insert conversion equipment 314 on DDR slot 312, and SDR module/SDR slot 316 is provided on conversion equipment 314 again.Another kind of situation then is directly to couple conversion equipment 320 on chipset 310, and SDR module/SDR slot 322 is provided thereon.These two kinds of methods can make supports the chipset 310 of DDR module can use DDR module and SDR module simultaneously.
When practice, can on DDR slot 312, use the DDR module, and while use SDR module on SDR slot 322, the DDR module can directly send a signal to chipset 310, the SDR module becomes to support DDR chipset 310 cognizable signals to be sent to chipset 310 conversion of signals then by conversion equipment 320; Also can not use any DDR module, and only use the SDR module,, become the signal of DDR to be sent in the chipset 310 conversion of signals of SDR by conversion equipment 320 or 316.
Next please refer to Fig. 4, shown in it is according to a preferred embodiment of the invention memory module calcspar.In the present embodiment, memory module 40 has comprised conversion equipment 410, SDRAM412 and 414, ddr interface golden finger 420 and voltage transformation element 430.Wherein, the ddr interface element of conversion equipment 410 and SDR interface element just as Fig. 2 and Fig. 3, are represented with connecting line respectively.Ddr interface element and ddr interface golden finger 420 join, and the SDR interface element then is connected with 414 with SDRAM412.Because the operating voltage of SDR and DDR is also inequality, the operating voltage of DDR is about 2.5 volts, and the operating voltage of SDR is about 3.3 volts, therefore under the system that supports the DDR operation mode, and can't offer the suitable operating voltage of SDR module, therefore need provide voltage transformation element 430, be responsible for the voltage transitions that the outside provided is suitable SDRAM 412 and 414 employed voltages (about 3.3V).This voltage transition element 430 then can directly external power supply from computer, or inserts voltage at the good power lead of cloth that just designs at first of making motherboard, provides voltage source by the DDR slot.
Next please refer to Fig. 5, shown in it is according to another preferred embodiment of the invention memory module calcspar.Its operator scheme and Fig. 4 are similar, and institute's difference is that the SDR element changes into SDR module 540,542,544 up to 546 by the SDRAM of Fig. 4.So detailed explanation is just omitted at this.
Next please refer to Fig. 6, shown in it is the motherboard calcspar of portable computer according to a preferred embodiment of the invention.The embodiment of this embodiment and Fig. 3 is different, and to be in portable computer main frame plate 60 employed RAM be special requirement, and what therefore coupled on the SDR of conversion equipment interface is the SO-DIMM memory array.Remaining operation is owing to identical with Fig. 3, so omitted at this.
Shown in Fig. 7 is the calcspar of the memory module of portable computer according to a preferred embodiment of the invention.Present embodiment almost is identical with the embodiment of earlier figures 5.It is different be in because the memory module 70 of portable computer has special requirement, therefore, the height of memory module 70 must be drawn high for conversion equipment 720 being added among the memory modules 70.But fortune only is structural problem, real no too much influence on circuit.In addition, because employed voltages such as SO-DIMM and SDR module 740,742 are identical, therefore do not need the auxiliary voltage conversion element.
Must be noted that because what emphasized in explanation is conversion between SDR and the DDR, therefore do not mention the situation that SDR and DDR are shared in an embodiment.But clearly, by in the shown embodiment of Fig. 3, learning, if conversion equipment 314 is pulled out, on SDR slot 322, plug the SDR storer, and on DDR slot 312, plug the DDR storer, SDR slot 322 just can operate simultaneously with DDR slot 312, and therefore the SDR storer also just can with the while normal operation of DDR storer.
In sum, existing that advantage outline of the present invention is as follows.The present invention not only can be so that the normal simultaneously running of SDR and DDR more can have only the data-handling efficiency that DDR is still arranged under the situation of using the SDR storer by set up transition duct between DDR and SDR.
Can not need to purchase new DDR memory module for the user, use device of the present invention, can make the memory module of the only SDR effect promoting of script to the effect that possesses DDR in conjunction with existing SDR memory module; Also can use existing SDR memory module, add that device of the present invention and DDR memory module use simultaneously, further improve the usefulness of system.
Concerning the manufacturer, when making memory module and interface card, can the lower SDR chip of alternative costs, cooperate device of the present invention, can make product have the data processing effect of DDR equally, make the existing DDR product of the products and marketing of being produced have same quality and effect, but its cost of manufacture can significantly reduce; And when making motherboard, use the device of the present invention can be for the user no matter use under the situation of SDR and DDR module at the same time, or only use and can reach the efficient of DDR under the situation of SDR module, so can improve competitiveness of product.
Though the present invention discloses as above with preferred embodiment; but not in order to qualification the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; can be used for a variety of modifications and variations, so protection scope of the present invention is defined by the appended claims.
Claims (14)
1. the conversion equipment of the Synchronous Dynamic Random Access Memory (DDR) of a Synchronous Dynamic Random Access Memory (SDR) and Double Data Rate comprises:
One ddr interface element is in order to carry out signal exchange with a DDR element;
One SDR interface element is in order to carry out signal exchange with a SDR element;
One clock controller will be converted to this conversion equipment and the employed clock of this SDR element by the clock signal that this DDR element is sent here;
One instruction control unit becomes corresponding SDR instruction with obtained DDR instruction transformation, and starts a data-switching mechanism when carrying out the data read write command;
One state working storage group is in order to store the data in ddr interface employed module working storage group and the expansion module working storage group; And
One DTU (Data Transfer unit) is converted to the data mode that is applicable to SDR in order to the data mode with DDR, and the data mode of SDR is converted to the data mode that is applicable to DDR.
2. the conversion equipment of SDR as claimed in claim 1 and DDR, wherein this DTU (Data Transfer unit) comprises:
One data are covered and Strobe Controller, obtain DDR data mask signal and DDR data strobe signal that the DDR element is transmitted, and DDR data mask signal is converted to the SDR mask signal, and the DDR data strobe signal is converted to the signal of data in the access SDR element, and can transmit the DDR data strobe signal according to the order of this instruction control unit to the DDR element;
One DDR to SDR data converter converts the serial signal of DDR element to parallel signal, and according to the order of this instruction control unit, and the parallel signal of conversion gained separately is transferred to two SDR elements; And
One SDR to DDR data converter changes into the employed serial signal of DDR element with the data-signal of two SDR elements, and transfers to the DDR element according to the serial signal that the order of this instruction control unit will be changed gained.
3. the conversion equipment of SDR and DDR comprises:
One ddr interface element is in order to carry out signal exchange with a DDR element;
One SDR interface element is in order to carry out signal exchange with a SDR element; And
One conversion core parts, the instruction and the data mode that convert instruction and the data mode of DDR to SDR, reach this SDR element by this SDR interface element, and, reach this DDR element by this ddr interface element with instruction and data mode that instruction and the data mode of SDR converts DDR to.
4. an interface card that uses the conversion equipment of SDR and DDR is applicable on the circuit board of supporting the DDR module, has the chipset of a support DDR on this circuit board at least, and this interface card comprises at least:
At least one SDR module array;
And
The conversion equipment of one SDR and DDR comprises:
One ddr interface element is connected on this circuit board of supporting the DDR module, in order to
This chipset carries out signal exchange;
One SDR interface element connects this SDR module array, in order to this SDR module battle array
Row carry out signal exchange; And
One conversion core parts, the instruction that converts instruction and the data mode of DDR to SDR and
Data mode reaches this SDR module array by this SDR interface element, and with SDR's
Instruction and data mode convert instruction and the data mode of DDR to, by this ddr interface element
Be sent to this chip module of supporting DDR.
5. motherboard that uses the conversion equipment of SDR and DDR comprises:
One chipset supports to use the DDR module; And
The conversion equipment of one the one SDR and DDR comprises:
One first ddr interface element is in order to carry out signal exchange with this chipset;
One the one SDR interface element provides at least one SDR module slot; And
One first conversion core parts convert instruction and the data mode of DDR to SDR
Instruct and data mode, and the director data formal transformation of SDR is become instruction and the number of DDR
According to form;
Wherein when using at least one SDR module, this SDR module is by this SDR module slot and a SDR interface element, and the data of SDR are sent to this first conversion core parts, exports DDR data and instruction to this chipset by these first conversion core parts; What these first conversion core parts were same will become SDR instruction and data mode from the DDR instruction transformation of this chipset, pass to this SDR module via a SDR interface element.
6. the motherboard of the conversion equipment of use SDR as claimed in claim 5 and DDR wherein also comprises:
One DDR module slot in order to accept a DDR module, transmits and the DDR instruction and the data that receive this chipset, and the conversion equipment of this DDR module and a SDR and DDR is operated simultaneously.
7. the motherboard of the conversion equipment of use SDR as claimed in claim 6 and DDR wherein also comprises:
The conversion equipment of one the 2nd SDR and DDR comprises one second ddr interface element, is installed on this DDR module slot; One the 2nd SDR interface element provides at least one SDR module slot, in order to a SDR module to be installed; And
One second conversion core parts, the instruction and the data mode that convert instruction and the data mode of DDR to SDR, be sent to this SDR module by the 2nd SDR interface element, and the director data formal transformation of SDR become instruction and the data mode of DDR, be sent on this chipset of this motherboard by this second ddr interface element.
8. memory module of using the conversion equipment of SDR and DDR is applicable to be installed in the DDR module slot that this memory module comprises:
At least two SDR module slots;
One ddr interface element is in order to connect this memory module and this DDR module slot, to carry out signal exchange;
One SDR interface element connects those SDR module slots to carry out signal exchange; And
One conversion core parts, instruction and data mode with instruction and the data mode of DDR converts SDR to transmit by this SDR interface element, and with instruction and data mode that instruction and the data mode of SDR converts DDR to, transmit by this ddr interface element.
9. the memory module of the conversion equipment of use SDR as claimed in claim 8 and DDR, wherein this memory module also comprises:
One voltage transformation element, the voltage that the voltage transitions that an external power supply is provided becomes those SDR module slots to be suitable for.
10. the memory module of the conversion equipment of use as claimed in claim 9 SDR and DDR, wherein this voltage transformation element voltage that will become those SDR module slots to be suitable for by the voltage transitions that this DDR module slot is provided.
11. the memory module of the conversion equipment of use SDR as claimed in claim 7 and DDR, wherein this memory module is directly settled at least two SDR modules thereon, replaces the structure of the external SDR module of this two SDR module slot palpus.
12. a portable computer main frame plate that uses the conversion equipment of SDR and DDR comprises:
One chipset supports to use the DDR module; And
The conversion equipment of one SDR and DDR, comprise a ddr interface element, in order to carry out signal exchange with this chipset, one SDR interface element provides at least two SO-DIMM slots, conversion core parts, the instruction and the data mode that convert instruction and the data mode of DDR to SDR, transmit by this SDR interface element, and, transmit by this ddr interface element with instruction and data mode that instruction and the data mode of SDR converts DDR to.
13. the portable computer main frame plate of use as claimed in claim 12 SDR and the conversion equipment of DDR, wherein this SDR interface element is coupled to a SDR array, and this SDR array again and carry out signal between those SO-DIMM and transmit.
14. a portable computer memory module of using the conversion equipment of SDR and DDR comprises:
At least two memory modules; And
The conversion equipment of one SDR and DDR, comprise a ddr interface element, in order to carry out signal exchange with a SO-DIM slot, one SDR interface element, those memory modules are carried out signal exchange, conversion core parts, the instruction and the data mode that convert instruction and the data mode of DDR to SDR, transmit by this SDR interface element, and, transmit by this ddr interface element with instruction and data mode that instruction and the data mode of SDR converts DDR to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011016140A CN1136489C (en) | 2001-01-12 | 2001-01-12 | Storage conversion device and its interface card, mainboard and storage module interface |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011016140A CN1136489C (en) | 2001-01-12 | 2001-01-12 | Storage conversion device and its interface card, mainboard and storage module interface |
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| CN1365034A true CN1365034A (en) | 2002-08-21 |
| CN1136489C CN1136489C (en) | 2004-01-28 |
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| CNB011016140A Expired - Fee Related CN1136489C (en) | 2001-01-12 | 2001-01-12 | Storage conversion device and its interface card, mainboard and storage module interface |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101610477B (en) * | 2009-07-13 | 2012-09-05 | 中兴通讯股份有限公司 | Multimedia messaging service processing system and method |
| CN111459864A (en) * | 2020-04-02 | 2020-07-28 | 深圳朗田亩半导体科技有限公司 | Memory device and manufacturing method thereof |
-
2001
- 2001-01-12 CN CNB011016140A patent/CN1136489C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101610477B (en) * | 2009-07-13 | 2012-09-05 | 中兴通讯股份有限公司 | Multimedia messaging service processing system and method |
| CN111459864A (en) * | 2020-04-02 | 2020-07-28 | 深圳朗田亩半导体科技有限公司 | Memory device and manufacturing method thereof |
| CN111459864B (en) * | 2020-04-02 | 2021-11-30 | 深圳朗田亩半导体科技有限公司 | Memory device and manufacturing method thereof |
| US11216393B2 (en) | 2020-04-02 | 2022-01-04 | Lontium Semiconductor Corporation | Storage device and method for manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1136489C (en) | 2004-01-28 |
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