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    • 9. 发明公开
    • 복수의에이전트에의한공유메모리로의동시액세스를제공하는방법및장치
    • 用于向多个存储器提供多个代理程序的并发访问的方法和装置
    • KR1020000022251A
    • 2000-04-25
    • KR1019980710671
    • 1997-06-13
    • 인텔 코포레이션
    • 뮤탈머니시샤닐레시브이.베인스쿨지트
    • G06F15/16
    • G06F15/167G06F13/1647
    • PURPOSE: A shared memory is provided to concurrently access by a plurality of agents. CONSTITUTION: A computer system (10) which employs a Shared Frame Buffer Architecture comprises a graphics controller (18) accessing to the Shared Frame Buffer Architecture to store graphic data for displaying on a display device like a CRT and LCD, a memory controller (14) receiving a memory access requirement, and a shared memory (20) in the form of a bank of DRAMs. The shared memory (320) is accessible by both the memory and graphics controllers. The selector circuit is operable by a logic circuit (231), incorporated within the systems controller (230), which determines whether a memory access request received from the memory controller is to an address in the shared DRAM row(220.2).
    • 目的:共享存储器被提供以由多个代理同时访问。 构成:采用共享帧缓冲器体系结构的计算机系统(10)包括:图形控制器(18),访问共享帧缓冲器体系结构以存储图形数据,以便显示在诸如CRT和LCD的显示设备上;存储器控制器(14) )接收存储器存取要求,以及一组DRAM形式的共享存储器(20)。 共享存储器(320)可由存储器和图形控制器访问。 选择器电路可由逻辑电路(231)操作,该逻辑电路(231)被并入系统控制器(230)中,逻辑电路确定从存储器控制器接收的存储器访问请求是否是共享DRAM行(220.2)中的地址。