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    • 3. 发明申请
    • Detecting parameters of a system UART and matching those parameters in a serial-over-LAN (SOL) UART
    • 检测系统UART的参数,并将这些参数与LAN串行(SOL)UART匹配
    • US20070226377A1
    • 2007-09-27
    • US11350458
    • 2006-02-09
    • Elie JreijWai-ming ChanAnand JoshiPedro Lopez
    • Elie JreijWai-ming ChanAnand JoshiPedro Lopez
    • G06F3/00
    • G06F13/385
    • An information handling system has the capability of matching UART baud rates and other serial data parameters between a system UART and baseboard management controller (BMC) UART used for serial-over-LAN (SOL) access to the information handling system via an Ethernet connection, either locally or remotely by a user, administrator, maintenance technician, etc. The BMC may snoop set-up data sent to the control register(s) of the system UART, look up a corresponding baud rate from a baud rate table of the BMC and set the BMC UART to match the system UART baud rate and other serial data parameters so that SOL access to the information handling system is available no matter what baud rate and/or serial data parameters an application may have programmed the system UART configuration registers. The BMC may snoop system UART data over a simple data bus such a low pin count (LPC) bus.
    • 信息处理系统具有通过以太网连接在系统UART和用于串行LAN(SOL)访问信息处理系统的系统UART和基板管理控制器(BMC)UART之间匹配UART波特率和其他串行数据参数的功能, 本地或远程用户,管理员,维护技术人员等。BMC可以窥探发送到系统UART的控制寄存器的设置数据,从BMC的波特率表中查找相应的波特率 并设置BMC UART以匹配系统UART波特率和其他串行数据参数,以便SOL访问信息处理系统可用,无论应用程序可以编程系统UART配置寄存器的波特率和/或串行数据参数。 BMC可以通过简单的数据总线监听系统UART数据,如低引脚数(LPC)总线。
    • 7. 发明申请
    • SYSTEM AND METHOD FOR AUTO-FAILOVER AND VERSION MATCHING OF BOOTLOADER IN AN ACCESS CONTROLLER
    • 在接入控制器中启动自动失效和变频匹配的系统和方法
    • US20140089655A1
    • 2014-03-27
    • US14092746
    • 2013-11-27
    • Timothy M. LambertBrian L. BrelsfordElie JreijWade Butcher
    • Timothy M. LambertBrian L. BrelsfordElie JreijWade Butcher
    • G06F11/14G06F9/44
    • G06F11/1417G06F9/4416G06F11/1666
    • In accordance with embodiments of the present disclosure, an information handling system may include a processor and an access controller communicatively coupled to the processor. The access controller may include a memory having a bootloader portion including a first memory address and a second memory address a second processor communicatively coupled to the memory. The second processor may be configured to: (i) attempt to execute the a first copy of a bootloader stored at the first memory address; (ii) in the event of a failure to execute the first copy of the bootloader, copy a second copy of the bootloader stored at the second memory address to the first memory address; and (iii) subsequent to copying the second copy to the first memory address, attempt to execute the second copy of the bootloader stored at the first memory address.
    • 根据本公开的实施例,信息处理系统可以包括通信地耦合到处理器的处理器和访问控制器。 访问控制器可以包括具有引导加载器部分的存储器,该引导加载器部分包括第一存储器地址和第二存储器地址,第二处理器通信地耦合到存储器。 第二处理器可以被配置为:(i)尝试执行存储在第一存储器地址的引导加载程序的第一副本; (ii)在无法执行引导加载程序的第一副本的情况下,将存储在第二存储器地址的引导加载程序的第二副本复制到第一存储器地址; 以及(iii)在将所述第二副本复制到所述第一存储器地址之后,尝试执行存储在所述第一存储器地址处的所述引导加载程序的所述第二副本。