TWI510927B - A server system - Google Patents

Description

Server system

This invention relates to servo systems, and more particularly to a server system that can be selected from an electronic device in an I2C bus.

In addition to the parallel bus (Parallel Bus), there are serial bus bars in the general server system. One of the serial busbars (I2C busbars) has been very commonly designed in server systems.

I2C is the abbreviation of Inter-Integrated Circuit. As the name suggests, it is the bus that communicates between the integrated circuits. Conventional parallel busbars use parallel architectures (8-bit, 16-bit, etc.), so there is more wiring between the integrated circuits and it is necessary to decode the circuits, which is complicated. The I2C bus line only needs two lines to transmit data, so it has better reliability and security. In addition, the I2C bus bar can also allow a plurality of main body circuits on a slave circuit. Therefore, how to correctly connect the integrated circuit from the main integrated circuit becomes the goal.

In view of the above, the present invention provides a choice in an I2C bus A server system that implements different functions from an electronic device.

One aspect of the present invention provides a server system including at least a substrate management controller and a plurality of computing modules. Each computing module further includes a system level chip, a plurality of slave devices, and a switch. The switch is coupled to the baseboard management controller and the system level chip through the I2C busbar, and the plurality of slave devices. Wherein, for each computing module, the switch sends an address selection signal to the slave devices to select one of the slave switches, and the switch switches the substrate management controller and the system level chip according to a control signal. Coupling one of the slave electronics.

In one embodiment, the slave electronic device is a memory, and the baseboard management controller and the system-level chip respectively receive configuration information of the memory through the switch.

In one embodiment, the slave electronic device is a network chip, the substrate management controller monitors the temperature of the network chip, and the switch can switch the system and the temperature at which the wafer reads the network chip.

In one embodiment, the slave electronic device is a voltage regulator that supplies power to the system level chip and reads its voltage from the system level chip, and the switch can switch the substrate management controller to monitor the voltage. The temperature of the regulator.

In one embodiment, the substrate management controller is coupled to the plurality of computing modules through a multiplexer.

In an embodiment, the switch is a multiplexer.

In an embodiment, the substrate management controller or the system level chip The address selection signal is sent to the switch.

In summary, the present invention provides a switch that can select one of a plurality of slave devices to be coupled to the master device, thereby implementing different functions.

100‧‧‧Server system

101‧‧‧Base Management Controller

102‧‧‧System level wafer

103‧‧‧ memory

104‧‧‧Voltage regulator

105‧‧‧Network Chip

106‧‧‧Switcher

107‧‧‧Multiplexer

110 and 112‧‧‧ computing modules

301 and 302‧‧ steps

Figure 1 shows a schematic diagram of the server system.

2 is a schematic diagram of a server system in accordance with an embodiment of the present invention.

Figure 3 shows a method of switching a slave electronic device in an I2C bus.

The following description of the preferred embodiments of the invention is in the

Figure 1 shows a schematic diagram of the server system. The server system 100 includes a baseboard management controller (BMC) 101 and a plurality of computing modules 110. Each computing module 110 includes a system-on-chip (SOC) 102 and a plurality of The slave device includes a memory 103, a voltage regulator 104, and a network chip 105. The memory 103, the voltage regulator 104, and the network chip 105 are coupled to the system level wafer 102 through the I2C bus. Memory 103 is stored Controls the boot and basic output of the BIOS firmware. Voltage regulator 104 is used to provide the core voltage of system level wafer 102. The network chip 105 is used to provide a system level chip 102 for connecting to the network.

When the booting operation is performed, the system level chip 102 needs to use the basic input and output firmware stored in the memory 103 to be turned on. At this time, the memory 103 is the slave device of the I2C bus, and the system level chip 102 is the I2C. The main component of the bus. When the device is to be powered on, the substrate management controller 101 also needs to access the type of the memory 103 to manage the subsequent booting process. At this time, the memory 103 is the slave device of the I2C bus, and the substrate management controller 101 is the I2C sink. The main component of the row. In addition, when the voltage regulator 104 provides the system-level chip 102 core voltage, the system-level chip 102 can obtain the parameter value of the voltage regulator 104 through the I2C bus bar, at which time the voltage regulator 104 acts as the slave device of the I2C bus. System level wafer 102 is the primary component of the I2C bus. The substrate management controller 101 needs to monitor the temperature of the voltage regulator 104 for subsequent management. At this time, the voltage regulator 104 is the slave device of the I2C bus, and the substrate management controller 101 is the main component of the I2C bus. On the other hand, when the network chip 105 is operating normally, the system level chip 102 reads the temperature and other parameters through the I2C bus bar. At this time, the network chip 105 is the slave device of the I2C bus, and the system level chip 102 is The main component of the I2C bus. At the same time, the substrate management controller 101 monitors the temperature for subsequent management. At this time, the network chip 105 is the slave device of the I2C bus, and the substrate management controller 101 is the main component of the I2C bus. In other words, under the architecture of the I2C bus, the memory 103, the voltage regulator 104, and the network chip 105 can be used as the substrate management. The controller 101 or the system level wafer 102 performs different operations from the electronics.

Therefore, in order to realize different functions, FIG. 2 is a schematic diagram of a server system according to an embodiment of the present invention. The server system 100 includes a substrate management controller 101 and a plurality of computing modules 112. Each computing module 112 includes a system level chip 102, a switch 106, and a plurality of slave devices. The slave device includes a memory 103, a voltage regulator 104, and a network chip 105. The switch 106 is coupled to the baseboard management controller 101 and the system level chip 102, and the memory 103, the voltage regulator 104, and the network chip 105 through the I2C bus bar. In other words, the memory 103, the voltage regulator 104, and the network chip 105 are coupled to the substrate management controller 101 and the system level chip 102 through the switch 106. One of the substrate management controller 101 and the system level chip 102 can be selected by the switch 106 to couple the memory 103, the voltage regulator 104 or the network chip 105 to implement different functions. In one embodiment, the switch 106 sends an address selection signal to the memory 103, the voltage regulator 104, and the network chip 105 to select one of the memory 103, the voltage regulator 104, and the network chip 105. 106. The switch 106 switches the substrate management controller 101 and the system level chip 102 to one of the memory 103, the voltage regulator 104, and the network chip 105 according to a control signal. For example, if the voltage regulator 104 is selected by the switch 106, the voltage regulator 104 supplies power to the system level wafer 102 and its voltage is read by the system level wafer 102, and can be switched by the switch 106 to monitor the voltage regulation by the substrate management controller 101. The temperature of the device 104. Or, through the switch 106 The memory 103 is selected. At this time, the substrate management controller 101 and the system level chip 102 respectively receive the configuration information of the memory 103 through the switch 106. Alternatively, the network chip 105 is selected by the switch 106, at which time the substrate management controller 101 monitors the temperature of the network wafer 105, and the switch 106 switches the system level wafer 102 to read the temperature of the network wafer 105. In one embodiment, the switch 106, for example, a multiplexer, can couple one of the substrate management controller 101 and the system level chip 102 according to an address signal sent from the substrate management controller 101 or the system level chip 102. Body 103, voltage regulator 104 or network wafer 105. In addition, a multiplexer 107 can be disposed between the substrate management controller 101 and the computing modules 112 to provide the substrate management controller 101 to select one of the computing modules 112 for subsequent operations.

Figure 3 shows how to select a slave electronic device in an I2C bus. Please refer to Figure 2 and Figure 3. The I2C bus bar has at least two main components such as a plurality of slave electronic devices such as a memory 103, a voltage regulator 104, and a network chip 105, and a substrate management controller 101 and a system-level wafer 102. First, in step 301, a switch is coupled to an I2C bus. For example, a switch 106 is provided such that the memory 103, the voltage regulator 104, and the network chip 105 are coupled to the substrate management controller 101 and the system level chip 102 through the switch 106. Next, in step 302, the switch is controlled to select one of the at least two main components to be coupled to the slave electronic devices. For example, the control switch 106 selects one of the substrate management controller 101 and the system level chip 102 to couple the memory 103, the voltage regulator 104, or the network chip 105 to achieve a particular function.

In summary, the present invention provides a switch that can select one of at least two main components and be coupled from an electronic device, thereby implementing different functions. Moreover, different slave electronic devices can be switched according to requirements, which is more convenient to use.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and the present invention can be modified and modified without departing from the spirit and scope of the present invention. The scope is subject to the definition of the scope of the patent application attached.

100‧‧‧Server system

101‧‧‧Base Management Controller

102‧‧‧System level wafer

103‧‧‧ memory

104‧‧‧Voltage regulator

105‧‧‧Network Chip

106‧‧‧Switcher

107‧‧‧Multiplexer

112‧‧‧ Computing Module

Claims (7)

A server system includes at least: a substrate management controller; a plurality of computing modules, wherein each of the computing modules comprises: a system level chip; a plurality of slave electronic devices; and a switcher respectively through an I2C bus bar Coupling the substrate management controller and the system level chip, and the plurality of slave devices; wherein, for each of the operation modules, the switch sends an address selection signal to the plurality of slave devices to select the A plurality of slave electronic devices are connected to the switch, and the baseboard management controller and the system-level chip are main components of an I2C bus, and the switch switches the substrate management controller and the system-level chip according to a control signal. One of the substrate management controller and the system level wafer is coupled to one of the plurality of slave electronic devices. The server system of claim 1, wherein one of the slave electronic devices is a memory, and the substrate management controller and the system level chip respectively receive configuration information of the memory through the switch. The server system of claim 1, wherein one of the slave electronic devices is a network chip, the substrate management controller monitors a temperature of the network chip, and the system and the chip can be switched by the switch. Read the temperature of the network chip. The server system of claim 1, wherein one of the slave electronic devices is a voltage regulator that supplies power to the system level chip and reads the voltage from the system level chip, and The substrate management controller can be switched by the switch to monitor the temperature of the voltage regulator. The server system of claim 1, further comprising a multiplexer, the substrate management controller being coupled to the plurality of computing modules through the multiplexer. The server system of claim 1, wherein the switch is a multiplexer. The server system of claim 1, wherein the address selection signal is sent to the switch by the baseboard management controller or the system level chip.