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    Methods and systems for a reference clock
    4.
    发明授权
    Methods and systems for a reference clock 有权
    参考时钟的方法和系统

    公开(公告)号：US07457904B2

    公开(公告)日：2008-11-25

    申请号：US11014409

    申请日：2004-12-16

    申请人： Richard S. Lin ,  Jeffrey K. Jeansonne ,  Walter G. Fry

    发明人： Richard S. Lin ,  Jeffrey K. Jeansonne ,  Walter G. Fry

    IPC分类号： G06F13/00 ,  G06F13/36 ,  G06F3/00 ,  G06F13/38 ,  G06F1/12 ,  G06F1/04

    CPC分类号： G06F1/12

    摘要： In at least some embodiments, a method comprises receiving an external card detection signal that indicates that a hot-pluggable card is coupled to a computer system and activating at least one reference clock signal of a scalable reference clock platform based on the external card detection signal. The method further comprises synchronizing clock signals embedded in data packets transmitted between the hot-pluggable card and the computer system with another clock signal bases on the at least one reference clock signal.

    摘要翻译： 在至少一些实施例中，一种方法包括接收外部卡片检测信号，该信号指示热插拔卡耦合到计算机系统，并基于外部卡检测信号激活可伸缩参考时钟平台的至少一个参考时钟信号 。 该方法还包括基于至少一个参考时钟信号，将嵌入在热插拔卡和计算机系统之间传输的数据分组中的时钟信号与另一个时钟信号同步。

    Handling of multiple compliant and non-compliant wake-up sources in a computer system
    5.
    发明授权
    Handling of multiple compliant and non-compliant wake-up sources in a computer system 失效
    在计算机系统中处理多个兼容和不兼容的唤醒源

    公开(公告)号：US06654896B1

    公开(公告)日：2003-11-25

    申请号：US09571475

    申请日：2000-05-16

    申请人： Scott P. Saunders ,  Robert E. Krancher ,  Richard S. Lin

    发明人： Scott P. Saunders ,  Robert E. Krancher ,  Richard S. Lin

    IPC分类号： G06F126

    CPC分类号： G06F1/3215

    摘要： A system and method are disclosed for handling devices that assert a wake-up signal in an improper fashion. It is observed that any wake-up signals that remain asserted as the computer system enters a low-power mode are likely produced by non-compliant cards, and to assure proper functioning of the system, it is desirable for the computer system to selectively block assertion of asserted signals from non-compliant cards. In one embodiment the computer system includes an expansion bus coupled to a bus bridge, and a signal gate. The expansion bus includes a wake-up signal that the signal gate can be configured to isolate from the bus bridge. The signal gate is preferably controlled by the power management controller. The power management controller sets the signal gate to isolate the signal from the bus bridge if the controller determines that wake-up signal is being driven in a non-standard manner. The non-compliance may be determined by: (a) detecting a transition of the computer to a reduced power state; (b) pausing for a predetermined delay; and (c) sampling the wake-up signal to identify any asserted wake-up signals. In the presence of non-compliant expansion cards, the disclosed embodiments may advantageously assure correct operation of the system with minimal additional cost.

    摘要翻译： 公开了用于处理以不适当方式断言唤醒信号的设备的系统和方法。 观察到随着计算机系统进入低功率模式而保持断言的任何唤醒信号可能由不合规卡产生，并且为了确保系统的正常功能，希望计算机系统有选择地阻塞 断言来自非顺从卡的信号。 在一个实施例中，计算机系统包括耦合到总线桥的扩展总线和信号门。 扩展总线包括唤醒信号，信号门可配置为与总线桥隔离。 信号门优选地由电源管理控制器控制。 如果控制器确定以非标准方式驱动唤醒信号，则电源管理控制器设置信号门以隔离总线桥的信号。 不合规性可以通过以下方式确定：（a）检测计算机向降低功率状态的转变; （b）暂停预定延迟; 和（c）对唤醒信号进行采样以识别任何被断言的唤醒信号。 在存在不符合规定的扩展卡的情况下，所公开的实施例可以有利地以最小的附加成本确保系统的正确操作。

    Dynamic PCI device identification redirection on a configuration space access conflict
    6.
    发明授权
    Dynamic PCI device identification redirection on a configuration space access conflict 失效
    动态PCI设备识别重定向在配置空间访问冲突

    公开(公告)号：US06636904B2

    公开(公告)日：2003-10-21

    申请号：US09443687

    申请日：1999-11-18

    申请人： Walter G. Fry ,  Robert E. Krancher ,  Richard S. Lin

    发明人： Walter G. Fry ,  Robert E. Krancher ,  Richard S. Lin

    IPC分类号： G06F300

    CPC分类号： G06F13/4004 ,  G06F2213/0024

    摘要： A computer system reroutes a configuration cycle intended for an unused system bus address line to the IDSEL, or equivalent, configuration chip select input pin of a device which uses the same system bus address line as another device on the system bus. The computer system has a PCI bus to which a programmable logic device and an electronically-controlled switch are connected. The programmable logic device detects PCI bus configuration cycles associated with a PCI bus AD line that is otherwise unused as a chip select during configuration cycles. When the logic device detects a configuration cycle associated with the unused AD line, the logic device asserts a control signal to the electronically-controlled switch. The switch then connects the previously unused AD line to the AD line that is connected to the IDSEL input pin of the PCI device that experiences the conflict. The PCI device then effectively responds to the configuration read or write cycle as if its IDSEL input pin was hardwired to the switched AD line.

    摘要翻译： 计算机系统将用于未使用的系统总线地址线的配置周期重新路由到使用与系统总线上的另一个设备相同的系统总线地址线的设备的IDSEL或等效的配置芯片选择输入引脚。 计算机系统具有连接可编程逻辑器件和电子控制开关的PCI总线。 可编程逻辑器件检测与PCI总线AD线相关联的PCI总线配置周期，否则在配置周期期间作为芯片选择而不使用PCI总线配置周期。 当逻辑器件检测到与未使用的AD线路相关联的配置周期时，逻辑器件向电子控制开关断言控制信号。 然后，交换机将先前未使用的AD线路连接到连接到经历冲突的PCI设备的IDSEL输入引脚的AD线路。 PCI设备然后可有效地响应配置读或写周期，就好像其IDSEL输入引脚与连接的AD线硬连线一样。

    System incorporating hot docking and undocking capabilities without requiring a standby or suspend mode by placing local arbiters of system and base into idle state
    7.
    发明授权
    System incorporating hot docking and undocking capabilities without requiring a standby or suspend mode by placing local arbiters of system and base into idle state 失效
    通过将系统和基站的本地仲裁器置于空闲状态，系统结合热对接和脱离功能，而不需要备用或挂起模式

    公开(公告)号：US5873000A

    公开(公告)日：1999-02-16

    申请号：US684255

    申请日：1996-07-19

    申请人： Richard S. Lin ,  David J. Maguire ,  James R. Edwards ,  David J. Delisle

    发明人： Richard S. Lin ,  David J. Maguire ,  James R. Edwards ,  David J. Delisle

    IPC分类号： G06F3/00 ,  G06F13/36 ,  G06F13/40 ,  G06F13/00

    CPC分类号： G06F13/4081 ,  G06F13/36

    摘要： A method for hot docking and hot undocking a portable computer and a docking station. The portable computer and docking station are physically coupled via a shared PCI bus and an expansion connector. Varying length pins in the expansion connector generate docking and undocking handshaking signals used by microcontrollers in the portable computer and docking station. The portable computer and docking station are functionally connected via low on-resistance switches located in the portable computer. Following a docking event, closure of the switches connects the portion of the shared PCI bus in the docking station with the PCI bus in the portable computer. When the switches are open, the PCI busses are functionally isolated. Both the portable computer and the docking station also include a local arbiter for arbitrating and granting bus control requests from devices coupled to the shared PCI bus. These local arbiters may be placed into an idled state by either the operating system (through system BIOS) or by the microcontrollers. The arbiters are idled during docking and undocking events in order to inhibit bus cycles on the PCI bus, thereby preventing cycles from being lost. Following completion of a hot docking or undocking event, Plug-and-Play system reconfiguration is carried out so that all system resources may be recognized and properly utilized by the operating system.

    摘要翻译： 一种用于热对接和热脱离便携式计算机和坞站的方法。 便携式计算机和对接站通过共享PCI总线和扩展连接器物理耦合。 扩展连接器中的不同长度的引脚可以在便携式计算机和扩展坞中产生微控制器使用的对接和取消锁定信号。 便携式计算机和对接站通过位于便携式计算机中的低导通电阻开关进行功能连接。 在对接事件之后，开关的闭合将坞站中的共享PCI总线的一部分与便携式计算机中的PCI总线相连接。 当交换机打开时，PCI总线功能隔离。 便携式计算机和对接站也包括用于仲裁和授予来自耦合到共享PCI总线的设备的总线控制请求的本地仲裁器。 这些本地仲裁器可能由操作系统（通过系统BIOS）或微控制器置于空闲状态。 仲裁者在对接和解除连接事件期间空闲，以阻止PCI总线上的总线周期，从而防止周期丢失。 在完成热对接或脱离事件之后，进行即插即用系统重新配置，以便操作系统可以识别和正确使用所有系统资源。

    Computer system implementing hot docking and undocking capabilities by employing a local bus arbiter idle stats in which the arbiter is parked on a first input/output bus portion
    9.
    发明授权
    Computer system implementing hot docking and undocking capabilities by employing a local bus arbiter idle stats in which the arbiter is parked on a first input/output bus portion 有权
    计算机系统通过采用本地总线仲裁器空闲状态来实现热对接和脱离能力，其中仲裁器驻留在第一输入/输出总线部分上

    公开(公告)号：US6154798A

    公开(公告)日：2000-11-28

    申请号：US250596

    申请日：1999-02-16

    申请人： Richard S. Lin ,  David J. Maguire ,  James R. Edwards ,  David J. Delisle

    发明人： Richard S. Lin ,  David J. Maguire ,  James R. Edwards ,  David J. Delisle

    IPC分类号： G06F3/00 ,  G06F13/36 ,  G06F13/40 ,  G06F13/12

    CPC分类号： G06F13/4081 ,  G06F13/36

    摘要： A method for hot docking and hot undocking a portable computer and a docking station. The portable computer and docking station are physically coupled via a shared PCI bus and an expansion connector. Varying length pins in the expansion connector generate docking and undocking handshaking signals used by microcontrollers in the portable computer and docking station. The portable computer and docking station are functionally connected via low onresistance switches located in the portable computer. Following a docking event, closure of the switches connects the portion of the shared PCI bus in the docking station with the PCI bus in the portable computer. When the switches are open, the PCI busses are functionally isolated. Both the portable computer and the docking station also include a local arbiter for arbitrating and granting bus control requests from devices coupled to the shared PCI bus. These local arbiters may be placed into an idled state by either the operating system (through system BIOS) or by the microcontrollers. The arbiters are idled during docking and undocking events in order to inhibit bus cycles on the PCI bus, thereby preventing cycles from being lost. Following completion of a hot docking or undocking event, Plug-and-Play system reconfiguration is carried out so that all system resources may be recognized and properly utilized by the operating system.

    摘要翻译： 一种用于热对接和热脱离便携式计算机和坞站的方法。 便携式计算机和对接站通过共享PCI总线和扩展连接器物理耦合。 扩展连接器中的不同长度的引脚可以在便携式计算机和扩展坞中产生微控制器使用的对接和取消锁定信号。 便携式计算机和对接站通过位于便携式计算机中的低阻抗开关功能连接。 在对接事件之后，开关的闭合将坞站中的共享PCI总线的一部分与便携式计算机中的PCI总线相连接。 当交换机打开时，PCI总线功能隔离。 便携式计算机和对接站也包括用于仲裁和授予来自耦合到共享PCI总线的设备的总线控制请求的本地仲裁器。 这些本地仲裁器可能由操作系统（通过系统BIOS）或微控制器置于空闲状态。 仲裁者在对接和解除连接事件期间空闲，以阻止PCI总线上的总线周期，从而防止周期丢失。 在完成热对接或脱离事件之后，进行即插即用系统重新配置，以便操作系统可以识别和正确使用所有系统资源。

    Dynamic PCI device identification redirection on a configuration space access conflict
    10.
    发明授权
    Dynamic PCI device identification redirection on a configuration space access conflict 失效
    动态PCI设备识别重定向在配置空间访问冲突

    公开(公告)号：US07043570B2

    公开(公告)日：2006-05-09

    申请号：US10664746

    申请日：2003-09-18

    申请人： Walter G. Fry ,  Robert E. Krancher ,  Richard S. Lin

    发明人： Walter G. Fry ,  Robert E. Krancher ,  Richard S. Lin

    IPC分类号： G06F3/00

    CPC分类号： G06F13/4004 ,  G06F2213/0024

    摘要： A computer system with dynamic device identification redirection. The computer system may include a processor, a system memory, and a bridge logic device having a peripheral bus interface. The bridge logic device is associated with at least a first address line, which is also associated with a first peripheral device. The computer system may also include a logic device coupled to the peripheral bus that swaps a second address line for the first address line when a peripheral bus cycle is run to the first address line.

    摘要翻译： 具有动态设备识别重定向的计算机系统。 计算机系统可以包括处理器，系统存储器和具有外围总线接口的桥逻辑器件。 桥逻辑装置与至少第一地址线相关联，第一地址线也与第一外围设备相关联。 计算机系统还可以包括耦合到外围总线的逻辑设备，当外围总线周期运行到第一地址线时，交换第一地址线的第二地址线。