TWI384485B - Circuit for checking memeory status in advance - Google Patents

Description

Memory configuration check circuit in advance

The present invention relates to a memory configuration check circuit, and more particularly to a memory configuration advance check circuit for checking a memory configuration prior to power on.

In the computer system, when the user activates the power button, the computer system first initializes and performs a power on self test (POST) process. The boot self-test process performs a series of commands in the basic input/output system to initialize various hardware devices in the computer system and detect the status and settings of individual hardware, such as memory, hard disk, display card, Or peripheral devices such as keyboards, mice and other hardware.

After the computer system completes the boot self-test process, the interrupt processing function is executed to load the operating system into the memory, and the control is given to the operating system, and the user can execute the commonly used application on the operating system. Program. It takes 7 to 9 seconds for the computer system to perform this boot self-test procedure.

Because the memory configuration check of the general computer is mostly carried out during the boot self-test phase after the system is turned on. If the memory configuration is checked incorrectly, a warning sound is issued to remind the user that the memory configuration is incorrect. . The user needs to shut down the system, re-arrange the configuration position of the memory, and turn it on again for detection. After the test is completed, it can be normally use computer.

It is therefore an object of the present invention to provide a memory configuration advance check circuit for checking whether the current memory configuration matches the proposed memory configuration before the system is powered on.

Another object of the present invention is to provide a memory configuration advance check circuit for displaying a suggested memory configuration, so that the user can install the memory in accordance with the recommended memory configuration displayed by the light number. In the memory slot.

The invention provides a memory configuration advance check circuit, which comprises a plurality of memory slots, a logic circuit electrically connected to the memory socket, and a light-emitting element electrically connected to the logic circuit. The logic circuit settings have a suggested memory configuration. The memory slot with the memory installed provides a low-potential to logic circuit. The memory slot without the memory is provided to provide a high-potential to logic circuit to determine whether the memory configuration of the memory is related to the suggested memory. The body configuration is the same. When the memory configuration is different from the recommended memory configuration, the logic circuit sends a warning signal to the light-emitting element to activate the light-emitting element.

Each of the memories has a first grounding leg and a second grounding leg, and the first grounding leg and the second grounding leg are electrically connected to each other. Each memory slot has a first pin corresponding to one of the first ground pins and a second pin corresponding to one of the second ground pins, the first pin is connected to a power voltage terminal, and the second pin system is Connect to a ground. Inserting memory The first pin of the memory slot can be electrically connected to the second pin via the memory to provide a low potential to the logic circuit. The memory configuration early check circuit further includes a baseboard management controller (BMC) electrically connected to the logic circuit. When the logic circuit determines that the memory configuration is correct, the logic circuit sends a power-on permission signal to the substrate. Manage the controller.

Another aspect of the present invention is a memory configuration advance check circuit, comprising a plurality of memory slots, a microcontroller electrically connected to the memory socket, and a plurality of micro-controllers electrically connected to the microcontroller Light-emitting element. The microcontroller is configured with a recommended memory configuration. The memory slot in which the memory is mounted provides a low potential to the microcontroller, and the memory slot without the memory is provided to provide a high potential to the microcontroller to determine whether the memory configuration of the memory is It is recommended that the memory configuration be the same. The light-emitting elements correspond to the memory slots one-to-one. When the memory configuration does not match the recommended memory configuration, the light-emitting elements display the recommended memory configuration.

The microcontroller can include a Complex Programmable Logic Device (CPLD). The memory configuration early check circuit further includes a baseboard management controller (BMC) electrically connected to the microcontroller. When the microcontroller determines that the memory configuration is correct, the microcontroller issues a power-on permission signal to the baseboard management controller.

Each of the memories has a first grounding leg and a second grounding leg, and the first grounding leg and the second grounding leg are electrically connected to each other. Each of the memory slots has a first pin corresponding to one of the first ground pins and corresponds to The second pin of the second grounding leg is connected to a power voltage terminal, and the second pin is connected to a ground terminal. The first pin of the memory slot inserted into the memory is electrically connected to the second pin via the memory to provide a low potential to the microcontroller.

The memory configuration early check circuit of the invention can inform the user that the memory configuration is wrong before the system is turned on, and can prompt the user to suggest the memory configuration through the light emitting component, so that the user can readjust the memory. Position the location to the recommended memory configuration.

The spirit and scope of the present invention will be apparent from the following description of the preferred embodiments of the invention. The spirit and scope of the invention are not departed.

The invention provides a memory configuration early check circuit, so that the user can know whether the memory configuration is the same as the recommended memory configuration set when exiting, and can be suggested according to the suggested prompt of the light number. The body configuration rearranges the location of the memory.

Referring to Figure 1, there is shown a schematic diagram of a memory. The memory 100 includes a plurality of grounding legs 110a, 110b, and 110c, and the memory 100 has a connecting wire 112 therein to connect the grounding pins 110a, 110b, and 110c so that the grounding pins 110a, 110b, and 110c are mutually connected. Turn on. As long as one of them is grounded to the ground, all connected grounding legs 110a, 110b, 110c can be grounded.

Referring to Figures 2A and 2B, there are shown schematic views of different states of a preferred embodiment of the memory configuration advance check circuit of the present invention. The memory configuration advance check circuit includes a memory slot 220 and a logic circuit 230 disposed on the motherboard 210. The memory slot 220 has a first pin 222, a second pin 224, and a third pin 226 corresponding to the ground pins 110a, 110b, 110c of the memory 100. The first pin 222 is electrically connected to the logic circuit 230, and the first pin 222 is further connected to a power voltage terminal (Vcc). The second pin 224 and the third pin 226 are electrically connected through the connecting line 228 and grounded to the ground.

In FIG. 2A, the memory is not inserted into the memory slot 220 on the motherboard 210. At this time, the potential received by the logic circuit 230 from the first pin 222 of the memory slot 220 is the power supply voltage. The potential of (Vcc).

In FIG. 2B, the memory 100 has been inserted into the memory slot 220. At this time, the first grounding leg 110a, the second grounding pin 110b, and the third grounding leg 110c of the memory 100 are respectively associated with the memory slot 220. One pin 222, second pin 224, and third pin 226 are in contact. The second pin 224 and the third pin 226 in the memory slot 220 are connected to the ground, and the second ground pin 110b and the third ground pin 110c of the memory 100 in contact with it are grounded accordingly. The first grounding leg 110a, which is electrically connected to the second grounding leg 110b and the third grounding leg 110c, is also grounded so that the first pin 222 of the memory slot 220 in contact with the first grounding leg 110a is permeable to the memory. 100 is grounded to the ground of the motherboard 210. Therefore, when the memory 100 is inserted into the memory slot 220, the logic is The potential received by the path 230 from the first pin 222 of the memory slot 220 is grounded.

Since the memory 100 is not inserted into the memory slot 220, the potential transmitted to the logic circuit 230 by the first pin 222 of the memory slot 220 is the power supply voltage (Vcc) (high potential). When the memory 100 is inserted into the memory slot 220, the potential transmitted to the logic circuit 230 by the first pin 222 of the memory slot 220 is grounded (low potential). The logic circuit 230 can provide a high potential or a low potential according to the first pin 222 of the memory slot 220, and whether the memory slot 220 is mounted with the memory 100.

Referring to Figure 3, there is shown a circuit diagram of another preferred embodiment of the memory configuration advance check circuit of the present invention. This embodiment includes a plurality of memory slots 310a, 310b, 310c, a logic circuit 320, and a light emitting element 330. The memory slots 310a, 310b, and 3110c are electrically connected to the logic circuit 320, and the light-emitting elements 330 are electrically connected to the logic circuit 320. The first pins 312a, 312b, and 312c of the memory slots 310a, 310b, and 310c are respectively connected to the power supply voltage terminal (Vcc), and the second pins 314a, 314b, and 314c of the memory sockets 310a, 310b, and 310c are respectively Ground the ground terminal on the motherboard.

In this embodiment, the first memory slot 310a and the second memory slot 310b are not mounted with a memory, and the third memory slot 310c is mounted with a memory 350. As described above, the first memory slot 310a and the second memory slot 310b, to which the memory 350 is not mounted, provide a high potential to the logic circuit 320, and the third memory slot 310c to which the memory 350 is mounted. A low potential is provided to the logic circuit 320. Logic circuit 320 can be derived therefrom Know the current memory configuration.

The logic circuit 320 sets the recommended memory configuration at the time of appearance, and judges whether the inserted memory configuration is the same as the built-in recommended memory configuration through the high and low potentials. If the current memory configuration is different from the built-in memory configuration of the logic circuit 320, the logic circuit 320 sends a warning signal to the light-emitting element 330 to cause the light-emitting element 330 to act to alert the user. The user can reposition the memory 350. When the light-emitting element 330 is no longer illuminated, it means that the current memory configuration conforms to the recommended memory configuration at the time of appearance.

The memory pre-check circuit further includes a baseboard management controller 340 (BMC), and the baseboard management controller 340 is electrically connected to the logic circuit 320. When the logic circuit 320 determines that the current memory configuration is the same as the built-in recommended memory configuration, the logic circuit 320 transmits a power-on permission signal to the baseboard management controller 340 to turn the computer on.

Referring to Figure 4, there is shown a circuit diagram of still another preferred embodiment of the memory configuration advance check circuit of the present invention. The memory slot 410 of the embodiment is connected to the microcontroller 420. In this embodiment, the plurality of light-emitting elements 430 are electrically connected to the microcontroller 420. The light-emitting elements 430 correspond to the memory one-to-one. Body slot 410. The microcontroller 420 can be a Complex Programmable Logic Device (CPLD).

As described above, when the memory slot 410 is mounted with a memory (not shown), the memory slot 410 can provide a low potential to the microcontroller. 420, and the memory slot 410 without the memory installed provides a high potential to the microcontroller 420. The microcontroller 420 can then learn the current memory configuration. The memory configuration advance check circuit can further enhance its functionality through the microcontroller 420.

If the current memory configuration matches the recommended memory configuration set in the microcontroller 420, the microcontroller 420 can issue a power-on permission signal to the baseboard management controller 440 to power up the computer. If the current memory configuration does not match the recommended memory configuration set in the microcontroller 420, the microcontroller 420 can control the light-emitting component 430 to display the suggested memory configuration, ie, the control corresponds to the suggested memory configuration. The illuminating element 430 illuminates, allowing the user to place the memory in the suggested memory slot in accordance with the suggested memory configuration indicated by the illuminator.

It will be apparent from the above-described preferred embodiments of the present invention that the application of the present invention has the following advantages. The memory configuration early check circuit of the invention can inform the user that the memory configuration is wrong before the system is turned on, and can prompt the user to suggest the memory configuration through the light emitting component, so that the user can readjust the memory. Position the location to the recommended memory configuration.

Although the present invention has been described above in terms of a preferred embodiment, it is not intended to limit the invention, and it is obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention. The scope of the invention is defined by the scope of the appended claims.

100‧‧‧ memory

110a‧‧‧First grounding foot

110b‧‧‧Second grounding foot

110c‧‧‧ third grounding foot

112‧‧‧Connecting line

210‧‧‧ motherboard

220‧‧‧ memory slot

222‧‧‧First position

224‧‧‧second foot

226‧‧‧ third position

228‧‧‧Connecting line

230‧‧‧Logical Circuit

310a‧‧‧First memory slot

310b‧‧‧Second memory slot

310c‧‧‧ third memory slot

312a‧‧‧First position

312b‧‧‧First position

312c‧‧‧First position

314a‧‧‧second foot

314b‧‧‧second foot

314c‧‧‧second foot

320‧‧‧Logical Circuit

330‧‧‧Lighting elements

340‧‧‧Baseboard Management Controller

350‧‧‧ memory

410‧‧‧ memory slot

420‧‧‧Microcontroller

430‧‧‧Lighting elements

440‧‧‧Base management controller

The above and other objects, features, advantages and embodiments of the present invention are made. The examples can be more clearly understood, and the detailed description of the drawings is as follows: FIG. 1 is a schematic diagram showing a memory.

2A and 2B are schematic views respectively showing different states of a preferred embodiment of the memory configuration advance check circuit of the present invention.

Figure 3 is a circuit diagram showing another preferred embodiment of the memory configuration advance check circuit of the present invention.

Figure 4 is a circuit diagram showing still another preferred embodiment of the memory configuration advance check circuit of the present invention.

100‧‧‧ memory

110a‧‧‧First grounding foot

110b‧‧‧Second grounding foot

110c‧‧‧ third grounding foot

112‧‧‧Connecting line

210‧‧‧ motherboard

220‧‧‧ memory slot

222‧‧‧First position

224‧‧‧second foot

226‧‧‧ third position

230‧‧‧Logical Circuit

Claims (9)

A memory configuration early check circuit includes: a plurality of memory slots for mounting at least one memory; a logic circuit electrically connected to the memory sockets, the logic circuit is provided with a suggested memory group a memory slot in which the at least one memory is mounted respectively provides a low potential to the logic circuit, and a memory slot in which the at least one memory is not provided respectively provides a high potential to the logic circuit, thereby determining Whether the memory configuration of the at least one memory is the same as the recommended memory configuration; a light-emitting element electrically connected to the logic circuit, when the memory configuration is different from the recommended memory configuration, The logic circuit sends a warning signal to the light emitting component to activate the light emitting component; and a baseboard management controller (BMC) is electrically connected to the logic circuit, and when the logic circuit determines that the memory is configured correctly After that, the logic circuit sends a power-on permission signal to the baseboard management controller. The memory configuration advance check circuit of claim 1, wherein each memory has a first grounding leg and a second grounding pin, and the first grounding pin is electrically connected to the second grounding leg. The memory configuration early check circuit of claim 2, wherein each memory slot has a corresponding first ground pin One of the first pin corresponds to the second pin of the second ground pin, and the first pin is connected to a power voltage terminal by a series connection, and the second pin is connected to a ground. . The memory configuration advance check circuit according to claim 3, wherein the first pin of the at least one memory slot in which the memory is inserted is electrically connected to the second pin via the memory, This low potential is provided to the logic circuit. A memory configuration early check circuit includes: a plurality of memory slots for mounting at least one memory; a microcontroller electrically connected to the memory slots, the microcontroller setting a suggested memory a body configuration, the memory slot in which the at least one memory is mounted provides a low potential to the microcontroller, and the memory slot in which the at least one memory is not mounted respectively provides a high potential to the microcontroller And determining whether the memory configuration of the at least one memory is the same as the recommended memory configuration; the plurality of light-emitting elements are electrically connected to the micro-controller, and the light-emitting elements are corresponding to one-to-one a memory slot, wherein when the memory configuration does not match the recommended memory configuration, the light-emitting elements display the suggested memory configuration; and a baseboard management controller (BMC), and The logic circuit is electrically connected, and when the logic circuit determines that the memory is configured correctly, the logic circuit issues a power-on Signals can be sent to the baseboard management controller. The memory configuration early check circuit according to claim 5, wherein the microcontroller comprises a Complex Programmable Logic Device (CPLD). The memory configuration advance check circuit of claim 5, wherein each memory has a first grounding leg and a second grounding pin, and the first grounding pin is electrically connected to the second grounding leg. The memory configuration early check circuit of claim 7, wherein each memory slot has a first pin corresponding to one of the first ground pins and one corresponding to the second ground pin In the two-pin position, the first pin is connected to a power voltage terminal by a series-connected resistor, and the second pin is connected to a ground terminal. The memory configuration advance check circuit of claim 8, wherein the first pin of the at least one memory slot in which the memory is inserted is electrically connected to the second pin via the memory, This low potential is provided to the microcontroller.