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    • 4. 发明授权
    • Reducing start-up time and avoiding customer-induced system failures for personal computers
    • 减少启动时间,避免客户导致的个人电脑系统故障
    • US06721885B1
    • 2004-04-13
    • US09658130
    • 2000-09-08
    • Joseph Wayne FreemanJoseph Franklin GarveySteven D. GoodmanWilliam Fred Keown, Jr.Randall S. Springfield
    • Joseph Wayne FreemanJoseph Franklin GarveySteven D. GoodmanWilliam Fred Keown, Jr.Randall S. Springfield
    • G06F15177
    • G06F9/4401G06F11/2289
    • Disclosed is a method for reducing power-up time and avoiding customer-induced failures of computer systems during power-up. An intrusion switch, which is connected to the inside frame of the computer system is utilized. The intrusion switch signals the BIOS of the computer system whenever the cover of the computer's system unit is opened. The BIOS controls the POST operation during power-up of the computer system. During an initial power-up of the computer system, the POST configuration code examines and configures the hardware and sets the applicable registers, etc. At the end of the POST configuration code, the register values are stored in non-volatile storage. During a subsequent power-up of the computer system, a check is made to see if the cover of the system had been opened. When the cover has not been opened, the BIOS assumes that no changed has occurred in the hardware configuration and the BIOS restores the register values from non-volatile storage without completing the POST operation. When the cover has been opened, the BIOS discards the register values and initiates the POST operation, i.e., a full configuration operation is performed and new values stored in the registers and non-volatile storage element.
    • 公开了一种在上电期间减少上电时间并避免客户导致的计算机系统故障的方法。 使用连接到计算机系统的内部框架的入侵开关。 每当打开计算机系统单元的盖子时,入侵开关就会通知计算机系统的BIOS。 BIOS在电脑系统启动期间控制POST操作。 在计算机系统的初始上电期间,POST配置代码检查和配置硬件并设置适用的寄存器等。在POST配置代码结束时,寄存器值存储在非易失性存储器中。 在计算机系统的随后上电期间,检查系统的盖是否已打开。 当盖子尚未打开时,BIOS假定在硬件配置中没有发生任何变化,BIOS会从非易失性存储器中恢复寄存器值,而无需完成POST操作。 当盖子打开时,BIOS将丢弃寄存器值并启动POST操作,即执行完整配置操作,并将新值存储在寄存器和非易失性存储元件中。