571198 06651twfl.doc/006 曰f正丨 · k 修正日期92.11.11 玖、發明 本發明是有關於一種電腦系統的主機板及其中之零件， 且特別是有關於一種個人電腦系統中能同時支援未整合終端 電阻之中央處理器與已整合終端電阻之中央處理器之主機 板，以及可控制終端電阻導通與否之合成電路。 現在的一般個人電腦系統中，主要是由主機板、界面卡、 與週邊設備組成，其中主機板可說是電腦系統的基礎。在主 機板上’除了有控制晶片組（chip set)、可供安裝界面卡的插槽 外，以及中央處理器（Central Processing Unit，簡稱CPU)和數 個可安裝記憶體模組的記憶體插槽（memory module slot)，其 中CPU可依使用者的需求安裝不同廠牌或不同型號的CPU。 一般在個人電腦所使用的CPU，如英代爾（Intel)所出 的Pentium系列和超微（AMD)所出的K系列等CPU。 雖然市面上之主機板所使用之控制晶片組（chip set)支援 許多廠牌的CPU，但各家廠商對CPU之提昇電阻卻有不同的 做法，有些廠商將提昇電阻整合到CPU內部有些廠商則沒有， 使得主機板需因應不同的CPU做不同的設計’當使用有將提 昇電阻整合到CPU內部之CPU時，只需將CPU插槽之線路 直接連至控制晶片組，當使用未將提昇電阻整合到CPU內部 之CPU時，主機板需外加提昇電阻供未將提昇電阻整合到CPU 之CPU使用，使得廠商需因應之CPU做不同的設計與生產， 造成許多人力上的浪費，且增加主機板的成本。 有鑑於此，本發明提供一種可同時支援未整合終端電阻 之中央處理器與已整合終端電阻之中央處理器之主機板，讓 使用者可彈性使用不同廠牌的CPU ° 本發明提出一種可同時支援未整合終端電阻之中央處理 4 571198 月v曰Ϊ正|補无I 器與已整合央處理器之主機板，讓使用者在同 06651twfl.doc/006 修正日期92.11.丨丨 一片主機板上視需要選擇使用有將提昇電阻整合到CPU內部 之CPU與未將提昇電阻整合到CPU內部之CPU，以節省多餘 的人力和物力的浪費。 本發明提供一種可同時支援未整合終端電阻之中央處理 器與已整合終端電阻之中央處理器之主機板，以及可控制終 端電阻導通與否之合成電路，其主機板包括：第一中央處理 器插槽、第二中央處理器插槽、合成電路以及控制晶片組。 其中第一中央處理器插槽，用以連接第一中央處理器，此第 一中央處理器未整合終端電阻。第二中央處理器插槽，用以 連接第二中央處理器。上述合成電路連接至第一中央處理器 插槽與第二中央處理器插槽，當第一中央處理器插槽插入第 一中央處理器時，合成電路將提供等效的終端電阻，並使控 制晶片組之部分訊號腳位連接至第一中央處理器插槽，當第 二中央處理器插槽插入第二中央處理器時，合成電路將不提 供等效的該終端電阻，並使控制晶片組之上述部分訊號腳位 連接至第二中央處理器插槽。至於控制晶片組，其連接至合 成電路，當第一中央處理器插槽插入第一中央處理器時，控 制晶片組操作在第一中央處理器運作模式。當第二中央處理 器插槽插入第二中央處理器時，控制晶片組操作在第二中央 處理器運作模式。 上述的合成電路更包括：第一訊號端、第二訊號端、第 三訊號端、致能腳、第一電子開關、第二電子開關以及終端 電阻。其中第一訊號端、第二訊號端與第三訊號端，用以對 外連接。而第一電子開關，其一端連接至第-訊號端，另一 端連接至第三訊號端，其控制端連接至致能腳，以利用致能 5 571198 06651twfl.doc/006 腳控制第 補充 贫號端·竺 訊號端是否導通 修正日期92.11.11 第二電子開 關，其一端連接至第二訊號端，另一端連接至第三訊號端， 其控制端連接至致能腳，以利用致能腳控制第二訊號端與第 三訊號端是否導通。至於終端電阻，其連接至第二訊號端。 上述之電子開關可用傳輸閘加以製作。 爲讓本發明之上述和其他目的、特徵、和優點能更明顯 易懂，下文特舉較佳實施例，並配合所附圖式，作詳細說明 如下： 圖式之簡單說明： 第1圖繪示本發明支援多種中央處理器之主機板之部分 零件佈置示意圖； 第2圖繪示本發明之合成電路示意圖； 第3圖繪示本發明之主機板部分線路牽線示意圖； 圖式之標記說明： 100 第一中央處理器插槽 110 二中央處理器插槽 120〜133 合成電路 140 控制晶片組 150 電壓調節器 200 第一訊號端 210 第二訊號端 220 第三訊號端 240 第一電子開關 250 第二電子開關 260 終端電阻 第一中央處理器插槽 6 300 571198 06651twfl.doc/006 310 320 340 補无 第二露理j插槽 修正日期92.11.11 333 合成電路 控制晶片組 實施例 請參照第1圖，其繪示本發明支援多種中央處理器之主 機板之部分零件佈置示意圖，本發明之主機板包含：第一中 央處理器插槽1〇〇、第二中央處理器插槽110、複數個合成電 路120〜133、控制晶片組140以及電壓調節器150。其中第 一中央處理器槽1〇〇用以插入第一中央處理器，由於第一中 央處理器未整合終端電阻，故第一中央處理器運作時需要主 機板提供終端電阻。至於第二中央處理器插槽Π0用以連接第571198 06651twfl.doc / 006 "f positive 丨 · k revision date 92.11.11 玖, the present invention relates to a motherboard of a computer system and its parts, and in particular to a personal computer system capable of supporting A central processing unit with integrated terminating resistors and a main board of the central processing unit with integrated terminating resistors, and a synthetic circuit that controls whether the terminating resistors are turned on or not. The current general personal computer system is mainly composed of a motherboard, an interface card, and peripheral devices. The motherboard is the basis of the computer system. On the motherboard, in addition to the control chip set (chip set), slots for installing interface cards, and a central processing unit (CPU) and several memory modules that can be installed Memory module slot, in which the CPU can be installed with different manufacturers or different types of CPU according to user needs. CPUs commonly used in personal computers include CPUs such as the Pentium series from Intel and the K series from AMD. Although the chip set used in the motherboards on the market supports many brands of CPUs, each manufacturer has a different approach to increasing the resistance of the CPU. Some manufacturers integrate the increasing resistance into the CPU. No, the motherboard needs to be designed differently according to different CPUs. 'When using a CPU that integrates the boost resistor into the CPU, you only need to connect the line of the CPU socket directly to the control chipset. When the boost resistor is not used, When the CPU is integrated into the CPU, the motherboard needs to add a lifting resistor for the CPU that does not integrate the lifting resistor into the CPU, which makes manufacturers need to do different designs and productions according to the CPU, causing a lot of waste of manpower and increasing the motherboard. the cost of. In view of this, the present invention provides a motherboard that can support a central processor without integrated terminal resistance and a central processor with integrated terminal resistance, so that users can flexibly use CPUs of different brands. Supports the central processing of unintegrated termination resistors. 4 571198 month v ΪZhengzheng | Main board with no I controller and integrated central processor, allowing users to have the same date as 06651twfl.doc / 006 on 92.11. 丨 丨 a motherboard Choose to use a CPU that integrates the boost resistor into the CPU and a CPU that does not integrate the boost resistor into the CPU to save extra waste of manpower and material resources. The present invention provides a motherboard capable of supporting both a central processor without integrated terminal resistance and a central processor with integrated terminal resistance, and a composite circuit capable of controlling the conduction of the terminal resistance. The motherboard includes: a first central processor A socket, a second CPU socket, a synthesis circuit, and a control chipset. The first central processing unit socket is used to connect the first central processing unit, and the first central processing unit does not integrate a terminal resistor. The second central processing unit socket is used for connecting the second central processing unit. The above synthesis circuit is connected to the first CPU socket and the second CPU socket. When the first CPU socket is inserted into the first CPU, the synthesis circuit will provide an equivalent terminal resistance and make the control Some signal pins of the chipset are connected to the first CPU socket. When the second CPU socket is inserted into the second CPU, the synthesizing circuit will not provide the equivalent termination resistor and will control the chipset. Some of the above signal pins are connected to the second CPU socket. As for the control chipset, it is connected to the synthetic circuit. When the first CPU socket is inserted into the first CPU, the control chipset operates in the first CPU operation mode. When the second CPU socket is inserted into the second CPU, the control chipset operates in the second CPU operating mode. The aforementioned synthesizing circuit further includes: a first signal terminal, a second signal terminal, a third signal terminal, an enabling pin, a first electronic switch, a second electronic switch, and a terminating resistor. The first signal terminal, the second signal terminal and the third signal terminal are used for external connection. One end of the first electronic switch is connected to the-signal end, the other end is connected to the third signal end, and the control end of the first electronic switch is connected to the enable pin, so as to use the enable 5 571198 06651twfl.doc / 006 pin to control the supplementary poor number The terminal is connected to the signal terminal. Amendment date: 92.11.11 The second electronic switch has one end connected to the second signal terminal and the other end connected to the third signal terminal. The control terminal is connected to the enable pin for controlling with the enable pin. Whether the second signal terminal and the third signal terminal are connected. As for the terminating resistor, it is connected to the second signal terminal. The above electronic switches can be made with transmission gates. In order to make the above and other objects, features, and advantages of the present invention more comprehensible, the following describes the preferred embodiments in detail with the accompanying drawings as follows: Brief description of the drawings: FIG. 1 Schematic diagram showing the layout of some parts of the motherboard supporting various CPUs according to the present invention; Figure 2 shows a schematic diagram of the composite circuit of the present invention; Figure 3 shows a schematic diagram of some circuit wiring of the motherboard of the present invention; 100 First CPU socket 110 Two CPU socket 120 ~ 133 Synthesis circuit 140 Control chip set 150 Voltage regulator 200 First signal terminal 210 Second signal terminal 220 Third signal terminal 240 First electronic switch 250 No. Two electronic switches 260 Termination resistance First CPU socket 6 300 571198 06651twfl.doc / 006 310 320 340 No second Juli slot correction date 92.11.11 333 Synthetic circuit control chipset embodiment Please refer to Section 1 FIG. Is a schematic diagram showing the arrangement of some parts of a motherboard supporting various CPUs according to the present invention. The motherboard of the present invention includes: a first CPU slot 100, a second CPU socket 110, a plurality of synthesis circuits 120 to 133, a control chip set 140, and a voltage regulator 150. The first central processing unit slot 100 is used to insert the first central processing unit. Since the first central processing unit does not integrate a terminal resistor, the first central processing unit needs a main board to provide a terminal resistance during operation. As for the second CPU socket Π0,
控制晶片組140連接至合成電路120〜133，當第一中央 處理器插槽100插入第一中央處理器時，控制晶片組14〇操 作在第一中央處理器運作模式。當第二中央處理器插槽Π0插 入第二中央處理器時，控制晶片組140操作在第二中央處理 器運作模式。控制晶片組140上的部分腳位訊號，在上述兩 個運作模式時，將接收或傳送不同功能的訊號。 合成電路120〜133連接至第一中央處理器插槽100與第 二中央處理器插槽110，當第一中央處理器插槽100插入第一 中央處理器時，合成電路120〜133將提供等效的終端電阻， 並使控制晶片組之部分訊號腳位連接至第-中央處理器插 槽，而不連接至第二中央處理器插槽，當第：:中央處理器插 槽110插入第二中央處理器時，合成電路120〜133將不提供 等效的終端電阻，並使控制晶片組之上述部分訊號連接至第 二中央處理器插槽，而不連接至第一中央處理器插槽。至於 7 571198 / ‘Τ ! 修正日期92.11.11 電壓調節器150連接至合成電路120〜133,用以提供終__ 06651twfl.doc/006 壓。 當選擇使用第一中央處理器時，第一中央處理器插入第 一中央處理器插槽100,合成電路I20〜133將提供第一中央 處理器所需之終端電阻，並讓第一中央處理器與控制晶片組 140之間可正常運作，當選擇使用第二中央處理器時’第二中 央處理器插入第二中央處理器插槽11〇,合成電路12〇〜133 將不提供終端電阻，讓第二中央處理器與控制晶片組14〇之 間可正常運作，而第一中央處理器及第二中央處理器兩種中 央處理器之偵測可由基本輸入/輸出系統（Basic Inpiit/Outpiit System簡稱BIOS)或使用開關加以設定。 請參照第2圖，其繪示本發明之合成電路示意圖，本發 明之合成電路包括：第一訊號端200、第二訊號端210、第三 訊號端22〇、致能腳230、第一電子開關240、第二電子開關 25〇以及終端電阻260。其中第一訊號端200、第二訊號端210 及第三訊號端220，用以對外連接。第一電子開關240之一端 連接至第一訊號端200，另一端連接至第三訊號端220，其控 制端連接至致能腳230,以利用致能腳230控制第一訊號端200 與第三訊號端22〇是否導通。第二電子開關250之一端連接 至第二訊號端210，另一端連接至第三訊號端220，其控制端 連接至致能腳230，以利用致能腳230控制第二訊號端2 10與 第三訊號端22〇是否導通。而終端電阻26〇連接至第二訊號 端 2 1 0。 請再參照第2圖，其中第一訊號端2〇〇用以連接不需主 機板提供終端電阻之裝置，第二訊號端21〇用以連接需主機 板提供終端電阻之裝置，當第一訊號端2〇〇有連接時，第一 8 571198The control chip set 140 is connected to the synthesis circuits 120 to 133. When the first CPU slot 100 is inserted into the first CPU, the control chip set 140 operates in the first CPU operation mode. When the second central processing unit socket Π0 is inserted into the second central processing unit, the control chipset 140 operates in the second central processing unit operation mode. Some of the pin signals on the control chipset 140 will receive or transmit signals with different functions during the above two operation modes. Synthesis circuits 120 to 133 are connected to the first CPU socket 100 and the second CPU socket 110. When the first CPU socket 100 is inserted into the first CPU, the synthesis circuits 120 to 133 will be provided, etc. Effective terminating resistor, and part of the signal pins of the control chipset are connected to the first CPU socket, but not to the second CPU socket, when the first :: CPU socket 110 is inserted into the second CPU socket In the case of a central processing unit, the synthesizing circuits 120 to 133 will not provide equivalent terminating resistors, and the above-mentioned signals of the control chipset are connected to the second central processing unit socket, but not to the first central processing unit socket. As for the 7 571198 / ‘T! Revision date 92.11.11, the voltage regulator 150 is connected to the synthesis circuits 120 to 133 to provide the final __ 06651twfl.doc / 006 voltage. When the first central processing unit is selected, the first central processing unit is inserted into the first central processing unit slot 100, and the synthesis circuits I20 to 133 will provide the terminal resistance required by the first central processing unit, and let the first central processing unit It can work normally with the control chipset 140. When the second CPU is selected to be used, the second CPU is inserted into the second CPU socket 11o, and the synthesis circuit 12 ~ 133 will not provide a terminating resistor. The second CPU and the control chipset 14 can operate normally, and the detection of the two CPUs of the first CPU and the second CPU can be performed by the basic input / output system (Basic Inpiit / Outpiit System for short) BIOS) or use a switch to set it. Please refer to FIG. 2, which illustrates a schematic diagram of a composite circuit of the present invention. The composite circuit of the present invention includes: a first signal terminal 200, a second signal terminal 210, a third signal terminal 22, an enable pin 230, and a first electronic circuit. The switch 240, the second electronic switch 25 and the termination resistor 260. The first signal terminal 200, the second signal terminal 210, and the third signal terminal 220 are used for external connection. One end of the first electronic switch 240 is connected to the first signal end 200 and the other end is connected to the third signal end 220. The control end of the first electronic switch 240 is connected to the enable pin 230 to control the first signal end 200 and the third using the enable pin 230. Whether the signal terminal 22 is turned on. One end of the second electronic switch 250 is connected to the second signal terminal 210, and the other end is connected to the third signal terminal 220. The control terminal of the second electronic switch 250 is connected to the enable pin 230, so that the second signal terminal 210 and the first signal terminal are controlled by the enable pin 230. Whether the three signal terminals 22 are turned on. The terminating resistor 26 is connected to the second signal terminal 2 10. Please refer to Figure 2 again, where the first signal terminal 200 is used to connect a device that does not require the motherboard to provide a terminating resistor, and the second signal terminal 21 is used to connect a device that requires the motherboard to provide a terminating resistor. When the first signal When there is a connection at the end of the 200, the first 8 571198
修正日期92.11.11 關250將截斷，使第一訊 號端200與第三訊號端220導通，當第二訊號端210有連接 時，第一電子開關240將截斷，第二電子開關250將導通， 使第二訊號端210與第三訊號端220導通。 請同時參照第3圖，其繪示本發明之主機板部分線路牽 線示意圖，第一中央處理器插槽300連接至合成電路320〜333 中之第二訊號端，並透過合成電路320〜333中之第三訊號端 傳輸至控制晶片340，第二中央處理器插槽310連接至合成電 路320〜333中之第一訊號端，並透過合成電路320〜333中 之第三訊號端傳輸至控制晶片340。當第一中央處理器插槽300 插入第一中央處理器時，合成電路320〜333將提供終端電阻 給予第一中央處理器，當第二中央處理器插槽310插入第二 中央處理器時，合成電路320〜333將不提供終端電阻給予第 二中央處理器。 依據本發明一種可同時支援未整合終端電阻之中央處理 器與已整合終端電阻之中央處理器之主機板，讓主機板可彈 性使用未整合終端電阻之中央處理器及已整合終端電阻之中 央處理器，使得主機板廠商可以節省因多種模組而帶來生產 時的浪費及人力上的浪費，並且可爲消費者帶來更大的便利 性。 如熟悉此技藝者可知曉，上述之未整合終端電阻之中央 處理器與已整合終端電阻之中央處理器可歸類成需要終端電 阻裝置與不需要終端電阻裝置。而這兩個中央處理器插在中 央處理器插槽時，總體可看成爲運作於需終端電阻或不需終 端電阻二種模式之電子裝置。因此，本發明之合成電路可搭 配此種電子裝置運作，一樣可達成本發明之功能，亦爲本發 571198 06651twfl.doc/006 明之範圍。The date of correction 92.11.11 will be cut off 250, so that the first signal terminal 200 and the third signal terminal 220 are conducted. When the second signal terminal 210 is connected, the first electronic switch 240 will be cut off and the second electronic switch 250 will be turned on. The second signal terminal 210 and the third signal terminal 220 are turned on. Please refer to FIG. 3 at the same time, which shows a schematic drawing of part of the circuit board of the present invention. The first CPU socket 300 is connected to the second signal terminal in the synthesis circuits 320 to 333 and passes through the synthesis circuits 320 to 333. The third signal terminal is transmitted to the control chip 340, and the second CPU socket 310 is connected to the first signal terminal in the synthesis circuits 320 to 333 and transmitted to the control chip through the third signal terminal in the synthesis circuits 320 to 333. 340. When the first central processing unit socket 300 is inserted into the first central processing unit, the synthesis circuits 320 to 333 provide terminal resistance to the first central processing unit. When the second central processing unit socket 310 is inserted into the second central processing unit, The synthesis circuits 320 to 333 will not provide a terminating resistor to the second CPU. According to the present invention, a motherboard capable of supporting both a central processor without integrated terminal resistance and a central processor with integrated terminal resistance allows the motherboard to flexibly use the central processor without integrated terminal resistance and the central processing with integrated terminal resistance Device, so that motherboard manufacturers can save waste in production and labor due to multiple modules, and can bring greater convenience to consumers. As will be known to those skilled in the art, the above-mentioned central processors without integrated terminating resistors and central processors with integrated terminating resistors can be classified as requiring a terminating resistor device and not requiring a terminating resistor device. When these two central processing units are inserted into the central processing unit socket, they can be regarded as an electronic device that operates in two modes, which require a terminal resistor or do not require a terminal resistor. Therefore, the synthesizing circuit of the present invention can be operated with such an electronic device, and the function of the invention can also be achieved, and the scope of the present invention is 571198 06651twfl.doc / 006.
雖然本發明以較佳實施例揭露如上，然其並非用以限定 本發明，任何熟習此技藝者，在不脫離本發明之精神和範圍 內，當可作各種之更動與潤飾，因此本發明之保護範圍當視 後附之申請專利範圍所界定者爲準。 10Although the present invention is disclosed in the preferred embodiment as above, it is not intended to limit the present invention. Any person skilled in the art can make various modifications and retouches without departing from the spirit and scope of the present invention. The scope of protection shall be determined by the scope of the attached patent application. 10