Patent number 8543801 is assigned to
The following quote was obtained by the news editors from the background information supplied by the inventors: "The invention relates to a method for booting a computer system and, more particularly, to a method for booting a computer system having a built-in memory.
"When the computer system is booted, if the user uses a downgrade or unqualified memory module, the computer system often becomes unstable, and it even crashes. If the system crashes, the computer fails to prompt the user about the reason for the occurrence of the error. Thus, the user cannot determine where the error occurs, and the user has to turn to the custom service for help or make it repaired by a maintenance department, which not only disturbs the user, but also burdens the custom service of the manufacturer and the maintenance department.
"To avoid the occurrence of the above problem, computer system engineers or motherboard engineers perform the compatibility test with memory modules on the market as much as possible in the research and development. If the compatibility problem occurs, the engineers adjust and find out optimum parameters for an individual memory. However, repeated 'adjustment' and 'test' consume large research, development and verifying resources and the occurrence of the compatibility problem cannot be avoided if the user uses the downgrade memory module for which the parameters have not been adjusted."
In addition to the background information obtained for this patent, VerticalNews journalists also obtained the inventors' summary information for this patent: "The invention provides a memory circuit on a motherboard and a computer system, and the computer system may be booted by itself via a built-in memory when an incompatible memory is used.
"The invention provides a method for booting a computer system, and the computer system may be booted by itself when an incompatible memory is used. In addition, self-training may be performed to find out most proper memory parameters.
"The invention provides a memory circuit on a motherboard. The memory circuit includes a main memory, a backup memory, a selector, a selection controller and a memory controller. The selection controller is coupled to the selector and may output a selection signal to the selector according to a booting condition of the computer system. The selector is coupled to the main memory and backup memory. The memory controller is coupled to the selector. The selector is coupled to one of the main memory and the backup memory selectively according to the selection signal to allow the memory controller to access the main memory or the backup memory via the selector.
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