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    • 1. 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。
    • 2. 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。
    • 5. 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。
    • 10. 发明授权
    • Input/output buffer capable of supporting a multiple of transmission logic buses
    • 能够支持多路传输逻辑总线的输入/输出缓冲器
    • US06693451B2
    • 2004-02-17
    • US10150812
    • 2002-05-17
    • Jincheng HuangNai-Shung ChangYuangtsang Liaw
    • Jincheng HuangNai-Shung ChangYuangtsang Liaw
    • H03K19003
    • H03K19/018585
    • An input/output buffer capable of supporting multiple transmission logic bus specifications. The input/output buffer has a coordinating controller, a logic control circuit, a first transistor, a second transistor, a first resistor element, and a second resistor element. The logic control circuit picks up a microprocessor signal to determine a particular kind of microprocessors used. According to the microprocessor being using, conductivity of the first transistor, the second transistor, the first resistor element and the second resistor element are reassigned to fit the particular logic bus specification of the microprocessor. Hence, a single chipset on a main circuit board is able to accommodate various kinds of microprocessors.
    • 能够支持多种传输逻辑总线规格的输入/输出缓冲器。 输入/输出缓冲器具有协调控制器,逻辑控制电路,第一晶体管,第二晶体管,第一电阻元件和第二电阻元件。 逻辑控制电路拾取微处理器信号以确定使用的特定种类的微处理器。 根据正在使用的微处理器,第一晶体管,第二晶体管,第一电阻元件和第二电阻元件的电导率被重新分配以适应微处理器的特定逻辑总线规格。 因此,主电路板上的单个芯片组能够容纳各种微处理器。