200912743 九、發明說明： 【發明所屬之技術領域^ 本發明係有關一種曰ΰ 4 過相互串聯，而達到不同曰日、:：曰在提供-種尤適合透 體單元，並可做不同之轉換，=早7°共用同一個記憶 腦切換裝置，以及該多t腦歸可應用於高埠數之多電 夕電腦切換裝置中韌體更新之方法。 【先前技術】 ^照-般舰器、電腦等裝置（以下統翻服 的基本功能設計’當伺服器裝置開機》:) 鍵盤、滑鼠的訊號，待確認連結無誤二= 旦面’因此母-部伺服器裳置理當搭配—組鍵盤滑氣 開機運作曰。但如在需要集中管理多台伺服器裝置的情： :(m購多套鍵盤滑鼠以利偵測’且需要多組監視 為（螢幕）配合顯示每-部鋼口裝置_作晝面，不 =空間且徒增費用，而眾多巨大的監視器更是陳列上的麻 煩。 為了節省空間與費用的考量’及提高管理效能的需求 下’ KVM切換器便產生了； KVM切換器（以下統稱『多電腦 切換器』）之主要目的是將一組「鍵盤（Keyb〇ard)、視= (Video)及滑鼠（Mouse)」設備連接到許多台伺服器裂置， 讓管理者能夠選擇性地從自己的多電腦切換器操作台存 取及控制一個或其他伺服器裝置。 管理者在多電腦切換器的選購上，多依照所預控制的 伺服器裝置數量的需求，選擇不同的埠數產品，亦即—般 200912743 器為了因應不同管理者所要控制的飼服器裝 Γ Γ 必須針對不同璋數產品（目前™常用埠 =數目為.2痒、4埠、8槔、16埠與32埠）個別 制模組’如此不但增加多電腦切換“ 4開發成本’更會因此造成為數龐大的零件庫存管 ^且多埠數之多電腦切換器中各龍器裝置需進㈣體 更新時，需各別進行更新或安裝，會增加管理人員之負擔。 【發明内容】 聯if明係之主要目的即在提供—種可透過相互串 聯=達料_及複數鱗元制同—個記憶體單元， =做不同之轉換，並可將此晶片模組應用於多電腦切換 ^二模組間並利用串接匯流排進行傳輸溝通， 而使多電腦切換器達到高埠數之目的。 為達上述目的’本發明之晶片模組係包括有：一個以 =飼服ϋ介㈣擎單元、—個以上之周邊引擎單元、一 體早兀、用以連接伺服器介面引擎單元、周邊引擎單 串接控制單元及記憶體單元之並聯連接單元= =器：面引擎單元或周邊引擎單元或串接控制單元 =^以透過並聯連接單元取得記憶體單元之系統仲裁 控制早兀，以及用以各晶片模組間利 輸溝通之串接控制單元。射該他器介面 與外部之飼服器裝置連接，而周邊引擎單元可以個別 ，、外权鍵盤、滑鼠、監視器等操作設備連接，藉以使不 200912743 可共 【實施方式】 式及實施例之詳細說明 本發明之特點，可參閱本案圖 而獲得清楚地瞭解。 本曰曰片杈組、多電腦切換裝置及其韌體更新方 法」如第-圖所示，該晶片模組係包括 服器介面引擎單⑽、一個以上之周邊引擎單幻2、一1 早π 13、用以連接龍器介面引擎單元η、周邊 ^兀12、串接控制單元15及記憶體單元13之並聯 ，接單元14用以決定伺服器介㈣擎單元u或周邊引擎 早元12或串接控制單元丨5何者可以透過並聯連接單元 14取彳于圮憶體單元13之系統仲裁控制單元μ。 該並聯連接單元14可以為系統匯流排，並構成記憶 體早疋13與伺服器介面引擎單元n及周邊引擎單元12 及串接控制單元15之雙向連接，且該並聯連接單元Μ 係由系統仲裁控制單元16控制決定伺服器介面引擎單元 11、。周邊引擎單元12及串接控制單元15何者搶到並聯連 ，單元14，及記憶體單元13間之動作關係。該串接控制 早το 15並進一步設有串接主控單元151及串接從屬單元 入°亥串接攸屬單元152於每一個晶片内能幫助飼服器 介，引擎單元11以及周邊引擎單元I2來完成初始、設i 及晶片内伺服器介面引擎單元Π及周邊引擎單元12的溝 200912743 通’而該串接從屬單元152也接受主控晶片模組之主控單 接指令作為傳輸溝通而使多電腦切換器達到 回垾數之目的。 〜 該晶片模組可應用於多電腦切換裝置中，例如該伺服 擎：元11可以個別與外部之一個以上之伺服器 f連接’該周邊引擎單元12可以個別與外部之鍵盤、滑 監視器等操作設備連接，而不同的複數_服器介面 引擎早7U1或周邊引擎單元12或串接控制單元^，可並用 同一個記憶體單元U，並可做各單元料同之轉換^藉 ，串接控鮮元15作為傳輸溝通而使多電腦切換器 面琿數之目的。 明同％配合參照第二圖所示，可於多電腦切換裝置中 整合有複數個晶片模組，而各晶片模組間係 ㈣作為傳輪溝通，而各晶片模組中其卜個係 片杈組，其中所有晶片模組中可包含有複數個伺服器介面 引擎單元11以及周邊引擎單元12’而該伺服器介面引擎單 元11進一烤包括有： 一鍵盤操作單元111，用以當伺服器裝置端有鍵盤需 求時，該伺服器介面引擎單元u就會藉由並聯連接單元14 向記憶體單元13來傳送鍵盤資料。 一滑鼠操作單元112，用以當伺服器裝置端有滑鼠需 求時’該伺服器介面引擎單元丨丨就會藉由並聯連接單元14 向記憶體單元13來傳送滑鼠資料。 一 USB裝置操作單元113，用以當伺服器裝置端Usb需 200912743 求時，該伺服器介面引擎單元11就會藉由並聯連接單元14 向記憶體單元13來傳送USB鍵盤/滑鼠資料。 一監視器資料操作單元114，用以當伺服器裝置要監 視器資料需求時，該伺服器介面引擎單元11就會藉由並聯 連接單元14向記憶體單元13來傳送監視器資料。 所有晶片模組當中的周邊引擎單元12則係進一步包 括有： 一鍵盤主控單元121，用以當周邊設備端有鍵盤需求 時，該周邊引擎單元12就會藉由並聯連接單元14向記憶體 單元13來傳送鍵盤資料，此單元只有主控晶片模組有，在 其他晶片則會選擇性地被被關掉。 一滑鼠主控單元122，用以當周邊設備端有滑鼠需求 時，該周邊引擎單元12就會藉由並聯連接單元14向記憶體 單元13來傳送滑鼠資料，此單元只有主控晶片模組有，在 其他晶片則會選擇性地被被關掉或不作動。 一USB裝置主控單元123，用以當周邊設備端有有USB 需求時，該周邊引擎單元12就會藉由並聯連接單元14向記 憶體單元13來傳送USB鍵盤/滑鼠資料，此單元只有主控 晶片模組有，在其他晶片則會選擇性地被被關掉或不作 動。 一監視器資料主控單元124，用以當關機或換監視器 時，該周邊引擎單元12即產生主控訊號來向監視器要資 料，此單元只有主控晶片模組有，在其他晶片則會選擇性 地被被關掉或不作動。 200912743200912743 IX. Description of the invention: [Technical field to which the invention pertains] The present invention relates to a type of 曰ΰ 4 that is connected in series to each other to achieve different days, and: 曰 is provided in a type that is particularly suitable for a transmissive unit, and can be converted differently , = 7 degrees early sharing the same memory brain switching device, and the multi-t brain can be applied to the method of firmware updating in the high-powered computer switching device. [Prior Art] ^Like-like ship, computer and other devices (the basic function of the following services is designed to 'start the server device':) Keyboard, mouse signal, to confirm the link is correct 2 = Dan face 'So mother - The server is set to match the set-up keyboard slippery operation. However, if you need to centrally manage multiple server devices: : (m buy multiple sets of keyboard mouse to facilitate detection) and need multiple sets of monitoring for (screen) with display of each - part of the steel port device _ 昼, Not = space and increase costs, and many huge monitors are more troublesome on display. In order to save space and cost considerations 'and improve management efficiency requirements' KVM switch is produced; KVM switch (hereinafter collectively The main purpose of "Multi-Computer Switcher" is to connect a set of "Keyb〇ard", "Video" and "Mouse" devices to many server splits, allowing managers to selectively Access and control one or other server devices from your own KVM switch console. Managers choose different controllers based on the number of pre-controlled server devices. The number of products, that is, the general 200912743 device in order to respond to different managers to control the feeding device Γ Γ must be for different number of products (currently TM commonly used 数目 = number of .2 itchy, 4 埠, 8 槔, 16 埠 and 32埠) individual The module 'does not only increase the multi-computer switching "4 development cost", but also causes a huge number of parts inventory tube ^ and more than a few computer switches in the device need to enter (four) body update, need to be carried out separately Updating or installing will increase the burden on the management personnel. [Summary of the invention] The main purpose of the joint-based system is to provide a kind of memory unit that can be connected to each other through the serial connection = material and squad. The conversion and the chip module can be applied to the multi-computer switching system and the serial communication bus is used for transmission and communication, so that the KVM switch achieves high number of turns. The chip module includes: one for the feeding service (four) engine unit, more than one peripheral engine unit, one integrated early, for connecting the server interface engine unit, the peripheral engine single serial connection control unit and the memory Parallel connection unit of unit = = device: surface engine unit or peripheral engine unit or serial connection control unit = ^ system arbitration control for obtaining memory unit through parallel connection unit The serial connection control unit of each chip module is connected to the external feeding device, and the peripheral engine unit can be connected by an individual, an external keyboard, a mouse, a monitor and the like. Therefore, the features of the present invention can be clearly understood by referring to the drawings of the present invention. The 曰曰 杈 、 group, the multi-computer switching device and the firmware updating method thereof. As shown in the first figure, the chip module includes a server interface engine single (10), more than one peripheral engine single illusion 2, a 1 early π 13 , used to connect the dragon interface engine unit η, the periphery ^ 兀 12, The parallel connection of the serial connection control unit 15 and the memory unit 13 is used to determine whether the server (four) engine unit u or the peripheral engine early element 12 or the serial connection control unit 丨 5 can be taken through the parallel connection unit 14 The system arbitration control unit μ of the memory unit 13. The parallel connection unit 14 can be a system bus bar and constitute a bidirectional connection between the memory port 13 and the server interface engine unit n and the peripheral engine unit 12 and the serial connection control unit 15, and the parallel connection unit is arbitrated by the system. The control unit 16 controls the decision server interface engine unit 11, . The peripheral engine unit 12 and the serial connection control unit 15 grab the operational relationship between the parallel connection, the unit 14, and the memory unit 13. The serial connection control is early and further provided with a serial connection control unit 151 and a serially connected slave unit. The cascading slave unit 152 can help the feeder unit, the engine unit 11 and the peripheral engine unit in each of the wafers. I2 to complete the initial, i and intra-server interface engine unit Π and the peripheral engine unit 12 trench 200912743 ' and the serial slave unit 152 also accepts the master chip module's master single-join command as transmission communication Make the KVM switch reach the number of times. ~ The chip module can be applied to a multi-computer switching device. For example, the servo engine: the element 11 can be individually connected to one or more external servers f. The peripheral engine unit 12 can be individually and externally connected to a keyboard, a slide monitor, etc. The operating device is connected, and the different complex server interface engine 7U1 or the peripheral engine unit 12 or the serial connection control unit ^ can use the same memory unit U in combination, and can perform the conversion and serial connection of each unit material. The control unit 15 serves as a transmission communication to make the KVM switch face-to-face. With the same reference to the second figure, a plurality of wafer modules can be integrated in the multi-computer switching device, and each of the chip modules is connected as a transfer wheel, and each of the wafer modules has a slice. The 杈 group, wherein all the chip modules can include a plurality of server interface engine units 11 and peripheral engine units 12 ′, and the server interface engine unit 11 is further baked: a keyboard operation unit 111 for serving as a server When there is a keyboard requirement on the device side, the server interface engine unit u transmits the keyboard data to the memory unit 13 through the parallel connection unit 14. A mouse operating unit 112 is configured to transmit mouse data to the memory unit 13 by the parallel connection unit 14 when there is a need for the mouse on the server device side. A USB device operating unit 113 is configured to transmit the USB keyboard/mouse data to the memory unit 13 by the parallel connection unit 14 when the server device terminal Usb requires 200912743. A monitor data operating unit 114 is configured to transmit the monitor data to the memory unit 13 via the parallel connection unit 14 when the server device requires monitor data requirements. The peripheral engine unit 12 of all the chip modules further includes: a keyboard main control unit 121 for connecting the peripheral engine unit 12 to the memory by the parallel connection unit 14 when there is a keyboard requirement at the peripheral device end Unit 13 transmits keyboard data. This unit has only the master chip module and is selectively turned off on other chips. A mouse main control unit 122 is configured to transmit mouse data to the memory unit 13 by the parallel connection unit 14 when there is a mouse requirement at the peripheral device end. The unit has only the main control chip. Modules are selectively turned off or not activated on other wafers. A USB device main control unit 123 is configured to transmit USB keyboard/mouse data to the memory unit 13 by the parallel connection unit 14 when there is a USB requirement at the peripheral device end. The master wafer module has, on other wafers, is selectively turned off or not activated. A monitor data master unit 124 is configured to generate a master signal to request data from the monitor when the computer is turned off or changed. The unit has only the master chip module, and the other chips It is selectively turned off or not activated. 200912743
性咕田沒器^料從屬單元1 25，用以當關機或換龄親II ^糊擎單元12即把監視器的資料傳送至記以 單元12^^1^70126,當主控晶片模組之周邊裝置端 組之串ΐ主==：；之=加以封包後，由主控晶二 控單元152，二有曰日曰片模組之串接從屬主 後再把解成；:二 盤/滑鼠/Usb介面。K專送到相對之伺服器之鍵 一監視器多工裝詈彳？7，火a u μ Λ 5ίΐ 置1虽日日片模組之伺服器監視5| 丄面被選擇到和主控晶片模組之周邊端監見： 、、·°，則此多工裝置動作。 眾置聯 元㈣11㈣物I擎單 乂知出才曰令來讀取記憶體單元13 干 人記憶體單元13中的資料；至於，主控 的/科，或寫 係具有主要控制之功能，其中的曰、^中之一 :主控晶賴組之主鮮元命 曰曰❻財之的主控單元⑸都是_掉或不作動而其他 如m第三_示，原耻每—個㈣ 土本上只要包括有H固主控晶片模幻、複數 工^ 及”接匯流網7,即可由各主 .疋數里之飼服器裝置，以及鍵盤、滑鼠、監視連 巧' 4呆 200912743 作設備；再者，該晶片模組亦可藉由串接匯流排與更多數 量之各晶片模組連接而形成較高埠數之多電腦切換器，如 第三圖所示，該多電腦切換器係設有1個主控晶片模組玉、 3個非主控晶片模組1以及按鍵掃瞄及顯示模組2，其中主 控晶片模組1及每個非主控晶片模組1中若可控制有4台介 服器，故整體多電腦切換器則可控制16台伺服器。〇弓 請同時參閱第二圖及第三圖所示，該多電腦切換器 韌體線上更新方法步驟如下： (A) 先由伺服器裝置端輸入資料； 服 (B) 由主控晶片模組丨之串接主控單元151封包伺 器裝置端所輸入的資料； (C)將封包資料向串接匯流排17傳送，所有晶片模紐 1都會監視串接匯流排17如發現是自己的資料就會接收^ 其中，該主控晶片模組1之主控單元151及從屬單元（ 偵測伺服器裝置端監視器或是USB介面或ps2 2要進人Qg_ing，此種唯讀記億; 巧錄於系統工作時有別於傳統唯讀記億體的燒錄必須 疋糸統不工作）命令，如果是’則整個系統會進入0靜 唯讀記憶體來更新所有的記憶體單元13的、凡、 當進人燒錄唯讀記憶料，主控晶片模組視 ，是USB介…介面輪入 送= 匯流排17,所以伺服器裝置端來的〇βρ ^得圮至串接 Τ:播，所有晶片模組的0ΒΡ電路“以 == 11 200912743 而本系統是以Address f i 1 ed來區分是那—個晶片才莫 組之記憶體單元要被燒錄，先假設每個晶片模組之唯讀記 憶體是16Kbyte的話，當進入0ΒΡ燒錄記憶體單元時，伺服 器裝置端的0ΒΡ程式如果其Address filed是16bit，其中 若Address=0〜3FFF’則主控晶片模組就會燒錄其記憶體單 元或回報狀態·’而Address=4000〜7FFF另一個非主控晶片 模組其中之一就會燒錄記憶體單元或回報狀態； Address=8000〜BFFF再一個非主控晶片模組就會燒錄其記 憶體單元或回報狀態；Address=C000〜FFFF最後一個非主 控BB片模組就會燒錄其§己憶體早元或回報狀態。同理如果 母個bb片模組之唯讀§己憶體是16j(byte的話，當進入οβρ 燒錄記憶體單元時，伺服器裝置端的〇Bp程式如果其 Address f i 1 ed是17bi t ’則可燒錄八個晶片模組之唯讀記 憶體單元，如果其Address file(^19bit，則依此類推可 燒錄三十二個晶片模組之唯讀記憶體單元。 在上述第二圖至第三圖所示的實施例當中，假設 預器裝置選定鍵，此動作首先被按鍵 知r田及顯不拉組2掃描到，由串接匯流排Η 控制功能之主控晶片模組丨當中的主控 =”主要 =定:刚嫩㈣模㈣相^由 時，只有連接該伺服#置t日y 義視器聯結 …工裳置動作’其他晶片模組所連接的監視= 12 200912743 工裝置不動作；至於，具主要控制功能之主控晶片模組操 作周邊設備端的鍵盤-滑鼠的資料即由串接匯流排17傳 送而由對應該伺服器裝置的鍵盤-滑鼠介面接收。 值得一提的是，每一個多電腦控制器當中具主要控制 功能之主控晶片模組1係可以如第二圖及第三圖所示，再 藉由串接匯流排17另外串聯至少一個非主控晶片模組 1，各晶片模組1係用以連接特定數量之伺服器裝置（如圖 所示實施例係為4個伺服器），並且透過串接匯流排17 進行具主要控制功能之主控晶片模組與各非主控晶片模 組之間的傳輸溝通，而使多電腦切換器達到高埠數之目 的。 據以，當要進行軟體更新、安裝及存取時，該主控制 單元亦可藉由串接匯流排進行廣播之作用，可選擇某幾台 伺服器裝置進行燒錄，或全部伺服器裝置同時進行燒錄。 本發明之技術内容及技術特點巳揭示如上，然而熟悉 本項技術之人士仍可能基於本發明之揭示而作各種不背 離本案發明精神之替換及修飾。因此，本發明之保護範圍 應不限於實施例所揭示者，而應包括各種不背離本發明之 替換及修飾，並為以下之申請專利範圍所涵蓋。 【圖式簡單說明】 第一圖係為本發明中主控、從屬制模組之基本架構方塊示 意圖。 第二圖係為本發明中主控制模組及從屬模組之組成架構 13 200912743 方塊示意圖。 第三圖係為本發明第二實施例之多電腦切換器組成架構 方塊示意圖。 【主要元件代表符號說明】 晶片模組1 伺服器介面引擎單元11 鍵盤操作單元111 滑鼠操作單元112 USB裝置操作單元113 監視器資料操作單元114 周邊引擎單元12 鍵盤主控單元121 滑鼠主控單元122 USB裝置主控單元123 監視器資料主控單元124 監視器資料從屬單元125 解碼/編碼單元126 監視器多工裝置127 記憶體單元13 並聯連接單元14 串接控制單元15 串接主控單元151 串接從屬單元152 系統仲裁控制單元16 串接匯流排17 按鍵掃猫及顯示模組2 14The slave unit 1 25 is used to transfer the data of the monitor to the unit 12^^1^70126 when the power is turned off or the ageing master II is used, when the master chip module The peripheral device end group of the main group ==:; = after the packet is encapsulated by the main control crystal two control unit 152, the second has the next day the film module is connected to the slave master and then solved; / Mouse / Usb interface. K is sent to the opposite server key. A monitor multiplexer? 7, fire a u μ Λ 5ίΐ Set 1 Although the servo monitor 5| of the Japanese chip module is selected to be monitored with the peripheral end of the master chip module: , , · °, then the multiplex device operates. The common unit (4) 11 (four) object I 乂 乂 乂 乂 读取 读取 读取 读取 读取 读取 读取 读取 读取 读取 读取 读取 读取 读取 读取 读取 读取 读取 读取 读取 读取 读取 读取 读取 记忆 读取 记忆 记忆 读取 记忆 记忆 记忆 读取 读取 读取 读取 读取 读取 读取 读取 读取 读取 读取 读取 读取 读取 记忆One of the 曰, ^ one: the main control unit of the main control of the crystal lai group, the main control unit (5) are _ drop or not act and others such as m third _ show, the original shame each one (four) As long as the H-solid master chip phantom, the complex number ^ and the "connecting flow net 7" can be included in the soil, the feeding device in the main 疋 疋, and the keyboard, mouse, and monitoring can be used. 200912743 as a device; in addition, the chip module can also be connected to a larger number of chip modules by a serial bus bar to form a higher number of computer switches, as shown in the third figure, The computer switcher has a master chip module jade, three non-master chip modules 1 and a button scan and display module 2, wherein the master chip module 1 and each non-master chip module If there are 4 mediators in 1 control, the overall KVM switch can control 16 servers. Please refer to the second figure and the As shown in the three figures, the steps of updating the firmware of the KVM switch are as follows: (A) input data from the server device first; service (B) is connected by the serial control unit 151 of the main control chip module (C) transmitting the packet data to the serial busbar 17, and all the chip modules 1 will monitor the serial busbar 17 to receive the data if it is found to be its own data. The main control unit 151 and the slave unit of the module 1 (detecting the server device side monitor or the USB interface or the ps2 2 to enter the Qg_ing, this kind of reading only billion; the recording is different from the traditional only in the system work Read the record of the billions of people must not work) command, if it is 'the whole system will enter 0 static read-only memory to update all the memory unit 13, where, when entering the burning of reading-only memory Material, the main control chip module view, is the USB interface ... interface wheel in the transmission = bus bar 17, so the 装置βρ ^ from the server device end is connected to the serial port: broadcast, all the chip module 0 ΒΡ circuit " == 11 200912743 And the system is based on Address fi 1 ed to distinguish that one The memory unit of the chip group is to be burned. First, if the read-only memory of each chip module is 16Kbyte, when entering the memory unit of 0ΒΡ, the program of the server device is if the address filed is 16bit, if Address=0~3FFF', the master chip module will burn its memory unit or return status. 'And Address=4000~7FFF, one of the other non-master chip modules will burn. Memory unit or return status; Address=8000~BFFF and then a non-master chip module will burn its memory unit or report status; Address=C000~FFFF The last non-master BB chip module will burn Its § has a memory of early or return status. Similarly, if the parent BD module is only read 16j (byte, when entering οβρ to burn the memory unit, the 装置Bp program on the server device side if its Address fi 1 ed is 17bi t ' A read-only memory unit capable of burning eight wafer modules, if its Address file (^19bit, etc., can be used to burn a read-only memory unit of thirty-two wafer modules. In the embodiment shown in the third figure, assuming that the pre-device is selected, the action is first scanned by the button and the display group 2, and the main control chip module of the serial connection bus control function is included. The main control = "main = fixed: just tender (four) mode (four) phase ^ by, only connected to the servo # set t day y righteous device connection ... work wear action 'other chip module connected monitoring = 12 200912743 As the main control chip module with the main control function operates, the keyboard-mouse data of the peripheral device end is transmitted by the serial bus bar 17 and received by the keyboard-mouse interface corresponding to the server device. It is mentioned that every multi-computer controller The main control chip module 1 having the main control function can be further connected to the at least one non-master wafer module 1 by the serial bus bar 17 as shown in the second figure and the third figure, and each chip module 1 is Used to connect a specific number of server devices (four servers as shown in the illustrated embodiment), and to perform main control chip modules and non-master chip modules with main control functions through serial bus bars 17 The communication between the two switches makes the KVM switch reach a high number of turns. Therefore, when the software is to be updated, installed and accessed, the main control unit can also play the role of broadcasting through the serial bus. A plurality of server devices may be selected for programming, or all server devices may be simultaneously burned. The technical content and technical features of the present invention are disclosed above, but those skilled in the art may still be based on the disclosure of the present invention. The present invention is not limited to the embodiment of the invention, and the scope of the present invention should not be limited by the embodiment, but should include various alternatives and modifications without departing from the invention. The following is a schematic diagram of the basic architecture of the main control and slave modules in the present invention. The second figure is the main control module and the slave mode of the present invention. Block diagram architecture 13 200912743 Block diagram The third diagram is a block diagram of the architecture of the KVM switch according to the second embodiment of the present invention. [Main component representative symbol description] Chip module 1 Server interface engine unit 11 Keyboard operation unit 111 Mouse operating unit 112 USB device operating unit 113 Monitor data operating unit 114 Peripheral engine unit 12 Keyboard main control unit 121 Mouse main control unit 122 USB device main control unit 123 Monitor data main control unit 124 Monitor data slave unit 125 decoding/encoding unit 126 monitor multiplexer 127 memory unit 13 parallel connection unit 14 serial connection control unit 15 serial connection control unit 151 serial slave unit 152 system arbitration control unit 16 series bus bar 17 button sweeping cat and Display module 2 14