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    • 7. 发明授权
    • Word processing system employing a plurality of general purpose
processor circuits
    • 采用多个通用处理器电路的字处理系统
    • US4398246A
    • 1983-08-09
    • US177531
    • 1980-08-12
    • John K. FredianiRichard E. JohnsonTerrance L. Lillie
    • John K. FredianiRichard E. JohnsonTerrance L. Lillie
    • G06F3/153G06F13/18G06F3/12G06F3/04G06F3/14
    • G06F3/153G06F13/18
    • A data processing system embodying the present invention includes a plurality of data processing stations. Each station includes a first communications interface connected to a common communication channel and a second communications interface for communicating with one or more associated controlled units. Each station also includes a processor and a memory; the processor and the interfaces being operatively connected to the memory, so that each may access the memory, and to a contention resolving circuit for resolving memory access conflicts. The system also includes a first controlled unit comprising a mass storage device and a controlled unit communications interface connected to the second communications interface of a first one of the plurality of processors; a second controlled unit comprising a keyboard for entering data and a first, single line, display for displaying data and a controlled unit communications interface connected to the second communications interface of a second of the plurality of processors; and a third controlled unit comprising a second, multi-line, display for displaying data and a controlled unit communications interface connected to the second communications interface of a third of a plurality of processors.
    • 体现本发明的数据处理系统包括多个数据处理站。 每个站包括连接到公共通信信道的第一通信接口和用于与一个或多个相关联的受控单元进行通信的第二通信接口。 每个站还包括处理器和存储器; 处理器和接口可操作地连接到存储器,使得每个可以访问存储器以及争用解决电路,用于解决存储器访问冲突。 该系统还包括第一受控单元,其包括连接到多个处理器中的第一个处理器的第二通信接口的大容量存储设备和受控单元通信接口; 第二受控单元,包括用于输入数据的键盘和用于显示数据的第一单行显示器和连接到所述多个处理器中的第二处理器的第二通信接口的受控单元通信接口; 以及第三受控单元,其包括用于显示数据的第二多行显示器和连接到多个处理器中的三分之一的第二通信接口的受控单元通信接口。
    • 10. 发明授权
    • Method and apparatus for controlling software configurations in data
processing systems
    • 用于控制数据处理系统中的软件配置的方法和装置
    • US4590557A
    • 1986-05-20
    • US530931
    • 1983-09-12
    • Terrance L. Lillie
    • Terrance L. Lillie
    • G06F1/00G06F9/445G06F21/00G06F9/06G06F12/14
    • G06F21/80G06F21/121G06F9/4401
    • A data processing system including a method and apparatus for controlling software configurations. A plurality of software programs and routines are stored in a mass storage device. Which software accessed by the system is controlled by non-volatile information stored in the system. The system also includes a portable media storage device, such as a floppy disk drive, and fixed information which loads a preselected portion of the portable media into the system. Two portable media are also provided. The preselected portion of the first portable media contains a bootstrap program which loads an operating system into the system. The preselected portion of the second portable media contains a program for altering the non-volatile information stored in the system so as to change the software configuration which may be accessed by the system. The program then erases the preselected portion of the second portable media after execution. In a preferred embodiment, the program also includes a counter containing a preselected number which is decremented after each time the program is executed and the program does not erase the preselected region until the counter reaches zero.
    • 一种数据处理系统,包括用于控制软件配置的方法和装置。 多个软件程序和程序被存储在大容量存储设备中。 系统访问的软件由系统中存储的非易失性信息控制。 该系统还包括诸如软盘驱动器的便携式媒体存储设备和将便携式媒体的预选部分加载到系统中的固定信息。 还提供了两个便携式媒体。 第一便携式媒体的预选部分包含将操作系统加载到系统中的引导程序。 第二便携式媒体的预选部分包含用于改变系统中存储的非易失性信息的程序,以便改变可由系统访问的软件配置。 然后,程序在执行之后擦除第二便携式媒体的预选部分。 在优选实施例中,该程序还包括一个计数器,该计数器包含一个在每次执行程序后递减的预选号码,并且该程序在该计数器达到零之前不擦除该预选区域。