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公开(公告)号：US5712754A
公开(公告)日：1998-01-27
申请号：US631963
申请日：1996-04-15
CPC分类号： G06F13/4081 , H02H9/004
摘要： A protection circuit for a computer system having PCI expansion cards and PCI expansion slots with multiple power rails for supplying power to the PCI expansion cards, the protection circuit including a current monitor that monitors the current levels drawn by the PCI expansion card at each power rail; an inrush current controller for controlling the initial current applied to each of the power rails when an expansion card is initially inserted into an expansion slot; a voltage monitor that monitors the voltage levels applied to selected power rails; and a disconnector for disconnecting the power to the PCI expansion slot when either the current level drawn by the PCI expansion card at any of the power rails goes beyond a selected range or when the voltage levels at any of the selected monitored power rails are below a selected threshold or when commanded by the computer system.
摘要翻译： 一种用于具有PCI扩展卡和具有用于向PCI扩展卡供电的多个电源轨的PCI扩展槽的计算机系统的保护电路，该保护电路包括监视由PCI扩展卡在每个电源轨上绘制的当前电平的电流监视器 ; 浪涌电流控制器，用于当扩展卡最初插入到扩展槽中时，控制施加到每个电源轨的初始电流; 一个电压监视器，用于监视施加到所选电源轨的电压电平; 以及用于当PCI扩展卡在任何电源轨下拉出的电流水平超过所选范围时，或者当任何被选择的监视电力轨的电压水平低于一个时，断开与PCI扩展槽的电力的隔离开关 选择的阈值或当由计算机系统命令时。
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2.发明授权Command and control infrastructure for a computer system using the computer's power rail 失效使用计算机电源轨的计算机系统的命令和控制基础设施公开(公告)号：US06463495B1
公开(公告)日：2002-10-08
申请号：US09280311
申请日：1999-03-29
IPC分类号： G06F1338
CPC分类号： H04L41/00 , H04L41/0213
摘要： A method and system of intrachassis computer component command and control. The existing power rail is used as network connectivity. Further, the CEBus standard (or a CEBus standard modified for the particular power bus) is used to provide platform management functionality. This management functionality is similar to that provided by the proposed IPMI specification. However, the management functionality is implemented intrachassis, that is, it is applied to the internal components of the machine. Particularly advantageous functions, such as rollcall enumeration and command authentication and verification, are included in a preferred embodiment. Further, because these innovative techniques utilize the existing power rail, no additional external cables are required.
摘要翻译： 内部计算机组件命令和控制的方法和系统。 现有的电力轨道用作网络连接。 此外，CEBus标准（或为特定电源总线修改的CEBus标准）用于提供平台管理功能。 此管理功能类似于所提出的IPMI规范提供的功能。 但是，管理功能是在内部实现的，也就是应用于机器的内部组件。 在优选实施例中包括特别有利的功能，例如滚动呼叫枚举和命令认证和验证。 此外，由于这些创新技术利用现有的电源轨，因此不需要额外的外部电缆。
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3.发明授权
公开(公告)号：US5652846A
公开(公告)日：1997-07-29
申请号：US497820
申请日：1995-07-03
申请人： Chi Kim Sides
发明人： Chi Kim Sides
IPC分类号： G06F12/08
CPC分类号： G06F12/0831
摘要： A computer system which corrects errors in a second level cache controller. The cache controller erroneously provides the cycle lock signal for the entire period of a writeback cycle followed by an I/O bus access, thus causing a deadlock if an I/O bus master needs access to the host bus at the same time. A circuit determines when the writeback cycle is occurring and masks the lock signal during the writeback operation, so that the long lock assertion is not present and the arbiters can properly control the access to the buses.
摘要翻译： 一种校正二级缓存控制器中的错误的计算机系统。 高速缓存控制器在回写周期的整个周期后跟I / O总线访问错误地提供周期锁定信号，因此如果I / O总线主机需要同时访问主机总线，则会导致死锁。 电路确定写回周期何时发生，并在写回操作期间屏蔽锁定信号，以便长锁定断言不存在，仲裁器可以正确地控制对总线的访问。
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公开(公告)号：US5822512A
公开(公告)日：1998-10-13
申请号：US658582
申请日：1996-06-05
申请人： Alan L. Goodrum , Chi Kim Sides , Joseph P. Miller , B. Tod Cox , M. Damian Cook , Michael C. Sanders
发明人： Alan L. Goodrum , Chi Kim Sides , Joseph P. Miller , B. Tod Cox , M. Damian Cook , Michael C. Sanders
CPC分类号： G06F11/2025 , G06F11/142 , G06F11/2033 , G06F11/2038 , G06F11/2046 , G06F13/4022 , G06F11/0757 , G06F11/2002 , G06F11/2023 , G06F11/2028 , G06F11/22
摘要： Control is switched from a first server to a second server in a fault tolerant system. The first and second servers are coupled with an expansion bus in an expansion box for communication with the expansion bus. An indication is provided to the second server to indicate the activity state of the first server. Communication between the first server and the expansion box is disabled if the indication indicates the first server is inactive. Communication between the second server and the expansion bus is disabled if the indication indicates that the first server is active. Communication between the second server is enabled if the indication indicates that the first server is inactive. The indication includes a heartbeat message transmitted periodically to the second server. The expansion bus includes a PCI bus.
摘要翻译： 控制在容错系统中从第一个服务器切换到第二个服务器。 第一和第二服务器与用于与扩展总线通信的扩展箱中的扩展总线耦合。 向第二服务器提供指示以指示第一服务器的活动状态的指示。 如果指示第一个服务器处于非活动状态，则第一个服务器和扩展箱之间的通信将被禁用。 如果指示第一台服务器处于活动状态，第二台服务器和扩展总线之间的通信将被禁用。 如果指示第一个服务器处于非活动状态，则启用第二个服务器之间的通信。 该指示包括周期性地传送到第二服务器的心跳消息。 扩展总线包括PCI总线。
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5.发明授权公开(公告)号：US06609204B1
公开(公告)日：2003-08-19
申请号：US09280314
申请日：1999-03-29
IPC分类号： H04L900
CPC分类号： H04B3/542 , H04B2203/5408 , H04B2203/5445 , H04B2203/5458
摘要： A computer system and method in which an electrically controlled “hoodlock,” which prevents the computer's chassis from unauthorized opening, can be remotely accessed through powerline communications.
摘要翻译： 可以通过电力线通信来远程访问防止计算机机箱未经授权打开的电控“遮罩”的计算机系统和方法。
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公开(公告)号：US06587909B1
公开(公告)日：2003-07-01
申请号：US09519138
申请日：2000-03-06
IPC分类号： G06F1300
CPC分类号： G06F13/4081
摘要： A computer-system includes a memory bus, a connector and a controller. The connector is configured to receive a memory module and prevent removal of the memory module from the connector in a first state. The connector allows removal of the memory module from the connector in a second state. The controller is configured to change a connection status between the connector and the memory bus in response to the connector changing from one of the states to the other state. A central processing unit of the computer system is configured to use the memory bus to store data in the memory module.
摘要翻译： 计算机系统包括存储器总线，连接器和控制器。 连接器被配置为接收存储器模块并且在第一状态下防止从连接器移除存储器模块。 该连接器允许在第二状态下从连接器移除存储器模块。 控制器被配置为响应于连接器从状态之一改变到另一状态来改变连接器和存储器总线之间的连接状态。 计算机系统的中央处理单元被配置为使用存储器总线将数据存储在存储器模块中。
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7.发明授权公开(公告)号：US06363449B1
公开(公告)日：2002-03-26
申请号：US09280313
申请日：1999-03-29
IPC分类号： G06F1300
CPC分类号： H04B3/546 , H04B3/548 , H04B2203/5445 , H04B2203/5458
摘要： A method and system of interchassis and intrachassis computer component command and control. The existing power rail is used for network connectivity for intrachassis command and control. An existing common power mains can be used for interchassis command and control. Further, a protocol, for example, the Consumer Electronic Bus (CEBus) protocol (or a CEBus protocol modified for the particular power rail) can be used to provide interchassis and intrachassis platform management functionality. This management functionality is similar to that provided by the proposed Intelligent Platform Management Interface (IPMI) specification. A chassis bridge controller is used to interface the intrachassis power rail command and control infrastructure to an exterior network. External systems (interchassis communications) can communicate to the bridge via the particular protocol over an existing common power mains as a secondary channel exterior network. However, the management functionality is implemented intrachassis, that is, it is applied to the internal components of the machine.
摘要翻译： 一种机架和机载计算机组件命令和控制的方法和系统。 现有的电力轨道用于网络连接，用于intrachassis命令和控制。 现有的公共电源可用于机架间的指令和控制。 此外，可以使用诸如消费电子总线（CEBus）协议（或针对特定电力轨道修改的CEBus协议）的协议来提供机架间和平台内平台管理功能。 该管理功能类似于所提出的智能平台管理界面（IPMI）规范。 机箱桥控制器用于将机载电源指挥和控制基础设施连接到外部网络。 外部系统（机架间通信）可以通过特定协议通过现有公共电源作为辅助信道外部网络与桥接器进行通信。 但是，管理功能是在内部实现的，也就是应用于机器的内部组件。
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公开(公告)号：US06886065B2
公开(公告)日：2005-04-26
申请号：US09967613
申请日：2001-09-29
申请人： Chi Kim Sides , Sompong Paul Olarig
发明人： Chi Kim Sides , Sompong Paul Olarig
CPC分类号： H04L25/0278 , H04L25/0272
摘要： Over-terminating the differential mode impedance of a differential transmission line, such as an INFINIBAND™ cable, at the receiving end, improves the differential signal integrity for typical variations in termination network impedance component (e.g., resistor) and transmission line characteristics. Eye opening of the differential signal can be made larger with reduced attenuation but increased jitter compared to under-terminating the differential mode impedance. Because the differential signal quality (larger eye opening) is improved, data can be transmitted over a longer transmission line with the same transmitter and receiver.
摘要翻译： 差分传输线（例如INFINIBAND TM电缆）在接收端的差模阻抗的过度终止改善了终端网络阻抗分量（例如电阻）和传输线特性的典型变化的差分信号完整性。 差分信号的开眼可以减小衰减，但与差模阻抗欠接收相比增加了抖动。 由于差分信号质量（较大的眼睛开度）得到改善，所以可以通过相同的发射器和接收器在更长的传输线上传输数据。
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