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    • 1. 发明授权
    • Software-based simulation system capable of simulating the combined functionality of a north bridge test module and a south bridge test module
    • 基于软件的仿真系统,能够模拟北桥测试模块和南桥测试模块的组合功能
    • US06484281B1
    • 2002-11-19
    • US09459763
    • 1999-12-13
    • Hsuan-Yi WangJiin LaiNai-Shung Chang
    • Hsuan-Yi WangJiin LaiNai-Shung Chang
    • G01R3128
    • G01R31/318342
    • A software-based simulation system is provided, which can provide the combined functionality of a South Bridge test module and a North Bridge test module based solely on either one of the two modules, i.e., either the South Bridge test module or the North Bridge test module without having to use both. This software-based simulation system is characterized in the use of a PCI master modeling circuit and a PCI slave modeling circuit which are capable of simulating the functionality of the North Bridge chipset in the case that only the South Bridge chipset and no North Bridge chipset is included in the simulation system, and are further capable of simulating the functionality of the South Bridge chipset in the case that only the North Bridge chipset and no South Bridge chipset is included in the simulation system.
    • 提供了一个基于软件的仿真系统,可以提供南桥测试模块和北桥测试模块的组合功能,该模块仅基于两个模块之一,即南桥测试模块或北桥测试 模块,而不必使用两者。 该基于软件的仿真系统的特征在于使用PCI主建模电路和PCI从属建模电路,其能够模拟北桥芯片组的功能,仅在南桥芯片组和北桥芯片组为 包括在仿真系统中,并且在模拟系统中仅包括北桥芯片组且没有南桥芯片组的情况下,还能够模拟南桥芯片组的功能。
    • 2. 发明授权
    • Dual data rate transfer on PCI bus
    • PCI总线上的双数据速率传输
    • US06463490B1
    • 2002-10-08
    • US09447724
    • 1999-11-24
    • Hsuan-Yi WangSheng-Chang PengNai-Shung Chang
    • Hsuan-Yi WangSheng-Chang PengNai-Shung Chang
    • G06F1312
    • G06F13/423G06F13/4031
    • The invention provides a method of performing data transfers on a PCI bus between a PCI bus master and a selected device. Wherein, there is a request signal and a grant signal on the PCI bus for a read/write transaction, and during the read/write transaction, the request signal and the grant signal are idle. The method comprises the steps of: (a) driving a first ready signal by the PCI bus master; (b) driving a second read signal by the selected device in response to the first ready signal, which initiates the read/write transaction; (c) using the request signal and the grant signal as a data transfer strobe signal during the write and read transaction, respectively, the data transfer strobe signal has a plurality of clocks; and (d) performing the data transfers on rising and falling edges of the clocks of the data transfer strobe signal.
    • 本发明提供了一种在PCI总线主机和所选设备之间的PCI总线上执行数据传输的方法。 其中,在PCI总线上存在用于读/写事务的请求信号和授权信号,并且在读/写事务期间,请求信号和授权信号是空闲的。 该方法包括以下步骤:(a)由PCI总线主机驱动第一就绪信号; (b)响应于启动所述读/写交易的所述第一就绪信号,由所选择的设备驱动第二读信号; (c)分别在写入和读取事务期间使用请求信号和授权信号作为数据传输选通信号,数据传输选通信号具有多个时钟; 和(d)在数据传输选通信号的时钟的上升沿和下降沿执行数据传输。
    • 5. 发明授权
    • Buffer for varying data access speed and system applying the same
    • 用于变化数据访问速度的缓冲器和应用它的系统
    • US06738880B2
    • 2004-05-18
    • US09878896
    • 2001-06-11
    • Jiin LaiChia-Hsin ChenNai-Shung Chang
    • Jiin LaiChia-Hsin ChenNai-Shung Chang
    • G06F1300
    • G11C7/1057G11C7/1051G11C7/106G11C7/1066G11C7/1078G11C7/1084G11C7/1087
    • A buffer for varying data access speed. Combining the buffer with a memory such as a double data rate synchronous dynamic random access memory, the data transmission rate of a memory system can be enhanced. The buffer is coupled with a control chip set and several memory modules to provide functions of data analysis and assembly to satisfy a two-way data transmission interface and to obtain a higher data transmission rate. The buffer also has the function of isolating the electric connection between two sides. A single signal interface from a memory module can be converted to a complementary source synchronous signal by the buffer, so that a high-speed data transmission can be achieved. A memory system can apply several of such buffers to achieve an even higher data transmission speed.
    • 一种用于改变数据访问速度的缓冲区。 将缓冲器与诸如双倍数据速率同步动态随机存取存储器的存储器组合,可以提高存储器系统的数据传输速率。 缓冲器与控制芯片组和多个存储器模块耦合,以提供数据分析和组装的功能,以满足双向数据传输接口并获得更高的数据传输速率。 缓冲器还具有隔离两侧电气连接的功能。 来自存储器模块的单个信号接口可以由缓冲器转换成互补源同步信号,从而可以实现高速数据传输。 存储器系统可以应用若干这样的缓冲器以实现甚至更高的数据传输速度。
    • 8. 发明申请
    • METHOD FOR REDUCING POWER CONSUMPTION OF A COMPUTER SYSTEM IN THE WORKING STATE
    • 降低工作状态下计算机系统功耗的方法
    • US20070288782A1
    • 2007-12-13
    • US11423722
    • 2006-06-13
    • Nai-Shung ChangChia-Hsing Yu
    • Nai-Shung ChangChia-Hsing Yu
    • G06F1/00
    • G06F1/324G06F1/3225G06F1/3296Y02D10/126Y02D10/172
    • A method for reducing power consumption of a computer system in a working state is provided. The computer system comprises a processor, a memory and a chipset, and the processor is connected with the chipset through a processor bus. The method comprises classifying the power saving level of the computer system into a predetermined number of power saving modes, checking at least one power saving mode transition condition to determine whether to automatically raise the power saving mode of the computer system, and raising the power saving mode of the computer system by lowering a first voltage supply level of the chipset and a second voltage supply level of the memory and decreasing a first working frequency of the processor bus and a second working frequency of the memory. The power consumption of the computer system is further reduced in comparison with a normal working state when the power saving mode of the computer system is further raised.
    • 提供了一种降低处于工作状态的计算机系统的功耗的方法。 计算机系统包括处理器,存储器和芯片组,并且处理器通过处理器总线与芯片组连接。 该方法包括将计算机系统的省电水平分为预定数量的省电模式,检查至少一个省电模式转换条件,以确定是否自动提高计算机系统的省电模式,并提高节电 通过降低芯片组的第一电压供应电平和存储器的第二电压供应电平并降低处理器总线的第一工作频率和存储器的第二工作频率来实现计算机系统的模式。 当计算机系统的省电模式进一步提高时,与正常工作状态相比,计算机系统的功耗进一步降低。