Electronic equipment provided with universal input and output expander and signal detecting method
A general-purpose input and output, electronic equipment technology, applied in the direction of instruments, electrical digital data processing, etc., can solve the problems that electronic equipment cannot expand the central processing unit and memory stick, cannot be connected, and has limited ports.
Inactive Publication Date: 2013-06-19
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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Problems solved by technology
However, due to the limited ports on the baseboard management controller, other peripheral devices cannot be connected after connecting more central processing units and memory sticks, which also makes it impossible for electronic equipment to expand more central processing units and memory sticks.
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[0016] Please also refer to figure 1 and figure 2 , is a schematic diagram of the internal connection of an electronic device with a universal input and output expander in an embodiment of the present invention. The electronic device 100 includes a baseboard management controller 10 , at least one central processing unit (CPU) 20 , at least one memory module (memory) 30 and a general purpose input / output expander 40 . In this embodiment, the electronic device 100 includes two CPUs 20 and multiple memory sticks 30 as an example for illustration. The two CPUs 20 and multiple memory sticks 30 are respectively connected to different expansion ports P1-PN of the GPIO expander 40, meanwhile, the two central processing units 20 and multiple memory sticks 30 are also commonly connected to The common connection port PA of the baseboard management controller 10 . The GPIO expander 40 is also electrically connected to the scan port PB of the BMC 10 through an integrated port P(N+1). ...
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Electronic equipment provided with a universal input and output expander comprises a substrate management controller, at least one central processing unit (CPU) and a memory bank, wherein the CPU and the memory bank are respectively connected with a plurality of expansion ports of the expander, and connected with a public connection port of the substrate management controller. The expander is connected with a scanning port of the substrate management controller through an integrated port, and the integrated port is connected with the plurality of the expansion ports. The substrate management controller periodically detect whether signals are input from the public connection port or not. The port with input signals in the expansion ports and the corresponding signals are scanned when the signals exist, and events including equipment connected with corresponding ports and output signals of the equipment are recorded. The invention further provides a corresponding signal detecting method. According to the electronic equipment provided with the universal input and output expander and the signal detecting method, the electronic equipment can expand more CPUs, memory banks or other peripheral equipment.
Description
technical field [0001] The invention relates to an electronic device with a universal input and output expander and a signal detection method. Background technique [0002] Generally larger electronic devices, such as servers, may include a Baseboard Management Controller (BMC), multiple central processing units (CPUs) and multiple memory sticks, and these CPUs and memory sticks must be connected to On the general input and output ports of the baseboard management controller. When the port on the baseboard management controller detects a high-speed signal from the CPU or the memory module, such as a high temperature signal (thermal trip signal) generated by the CPU or the memory module due to overheating, the baseboard management controller will The corresponding event is logged. However, due to the limited ports on the baseboard management controller, other peripheral devices cannot be connected after connecting more central processing units and memory sticks, and the ele...
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IPC IPC(8): G06F13/20
CPCG06F13/385
Inventor 涂文冲
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD