TWI832800B - Hard drive backplane with multiple lighting specifications - Google Patents

Abstract

A hard drive backplane with multiple lighting specifications requires preliminary determination of whether it is SATA hard drive specification's SGPIO lighting, AMD platform's BMC lighting in NVMe hard drive specification, AMD platform's VPP lighting in NVMe hard drive specification, or Intel platform's VPP lighting in NVMe hard drive specification. The hard drive backplane includes signal source connectors, a Complex Programmable Logic Device, and hard drive specification connectors. Additionally, the hard drive backplane further encompasses control chips, temperature sensors, and a message logger. The control chips can provide Serial General Purpose Input/Output (SGPIO) signals, and within the control chips, there are toggle switches. These toggle switches can alter the potential states of SGPIO signals to affect the lighting methods. The most frequently used control chip model is PCA9557.

Description

Illuminated hard drive backplanes in various specifications

The invention relates to the technical field of hard disk backplanes with multiple specifications of lighting, especially SGPIO (Serial General Purpose Input/Output) lighting, NVME (Non-Volatile Memory) that can be judged to be SATA (Serial ATA) hard disk specifications. The BMC (Baseboard Management Controller) of the AMD platform with Express) hard disk specifications is turned on, the VPP (Voltage Power Programming) of the AMD platform with NVME hard disk specifications is turned on, or the VPP light of the Intel platform with NVME hard disk specifications is turned on. Dish back panel.

Existing hard drive lighting technology has been widely used to allow users to know important information about the hard drive status and operation when operating the hard drive. These indicators can not only indicate the working status of the hard drive, but also indicate errors or alarm conditions. , thereby increasing the availability and manageability of the hard drive.

For example, the current read and write activities, power status, and fault warnings of the hard drive can be known, or the user can customize the behavior of the indicator light according to their own needs, so that the hard drive can be customized according to specific environments or uses to provide more accurate information.

However, due to the evolution of lighting technology, each company and user will further have different lighting requirements that require customization. However, current suppliers are not designed to be compatible with multiple lighting methods on the same hard drive. For backplanes, if you want to satisfy users, you need to use different types of hard drive backplanes to match each other to meet a variety of lighting needs for users to monitor or operate.

Application No. CN201810488245.1 has revealed a memory card compatible with SAS/SATA/NVME hard drives. Although it is a device for lighting multiple specifications, the method used is to use an external memory card and select points through a SWITCH chip. Lighting methods, such satisfactory lighting methods are still limited.

However, hard drive lighting technology plays an important role in providing information about hard drives. In addition to improving the manageability and reliability of hard drives, it also makes hard drive monitoring and maintenance more convenient.

Therefore, in order to solve the problem of limited lighting technology, the main purpose of the present invention is to provide a hard disk backplane with multiple specifications of lighting to provide a variety of lighting methods to improve the user experience and then develop ideal technical methods. to solve the above problems.

In view of the problem that in the prior art, an external memory card is used to perform a small number of lighting methods; therefore, the main purpose of the present invention is to provide a hard disk backplane with multiple specifications of lighting.

In order to solve the problems of the prior art, the necessary technical means adopted by the present invention are to provide a hard drive backplane with multiple specifications of lighting. After determining whether it is a SATA hard drive specification or an NVME hard drive specification, the SATA hard drive specifications can be achieved respectively. SGPIO lighting, BMC lighting of AMD platform in NVME hard disk specification, and VPP lighting of AMD platform or Intel platform.

The present invention provides a hard disk backplane with multiple specifications of lighting. As mentioned above, it is necessary to first determine whether it is SGPIO lighting of SATA hard disk specifications, BMC lighting of AMD platform of NVME hard disk specifications, or AMD of NVME hard disk specifications. The VPP lighting of the platform, or the VPP lighting of the Intel platform with NVME hard disk specifications, the hard disk backplane includes the signal source connector (SIG CONN), the complex programmable logic device (Complex Programmable Logic Device; CPLD), and the hardware Disk specification connector (NVME/SAYA CONNECTOR).

Signal source connectors can be used to connect signal transmission between different devices such as CPUs and BMCs, allowing these devices to exchange information, data or signals. Such signal source connectors can be cables or plugs.

A complex programmable logic device (CPLD) can be signal-coupled to a signal source connector, where the signal source connector transmits an I ² C signal to the complex programmable logic device.

The hard drive specification connector (NVME/SAYA CONNECTOR) is coupled to the complex programmable logic device and connected to one of the SATA hard drive specification and the NVME hard drive specification. When connected to the SATA hard drive specification, the SGPIO point is performed. lamp.

Among them, when the hard disk specification connector is connected to the SATA hard disk specification, the SGPIO lighting can be executed. When the hard disk specification connector is connected to the NVME hard disk specification, the BMC lighting of the AMD platform will be selected by default. Continue It will determine whether the state of the IO expander chip (IO expander) is an IO 0 state or an IO1 state. If it is in the IO1 state and is high potential, the VPP of the AMD platform will be lit. If it is in the IO1 state and is low potential, Then the VPP lighting of the Intel platform will be performed.

Furthermore, the hard disk backplane also includes a control chip, which can provide serial general-purpose input/output signals. The control chip also includes a switch, which can switch the potential status of the serial general-purpose input/output signal to affect the lighting method.

The most commonly used control chip model in hard disk backplanes is PCA9557.

Going a step further, the hard disk backplane can further include an I ² C switch. The I ² C switch is electrically coupled to the signal source connector and the hard disk specification connector. The I ² C switch can be activated based on the status of the IO expansion chip. Choose lighting method.

Next, the hard drive backplane can further include a temperature sensor and a message recorder.

The temperature sensor can detect the temperature status of the hard drive backplane. If the temperature is too high, the user should suspend use and confirm the hard drive condition.

The message recorder can record the data of the hard disk backplane, including manufacturer model, hard disk size type, indicator light position information and functions, etc.

The hard drive backplane further includes a plurality of signal lights. The signal lights are electrically coupled to complex programmable logic devices, and the signal lights can light up according to the status of the hard drive backplane. For example, when a SATA hard drive is connected this time, The SGPIO lighting position will light up, and the user can obtain information through the lighting status.

Continuing on, the hard disk backplane further includes a hard disk interface. The hard disk interface can be connected to other hard disks, including all HDD (Hard Disk Drive) types of hard disk interfaces such as SATA, SAS (Serial Attached SCSI), and IDE (Integrated). Drive Electronics), SCSI (Small Computer System Interface), NVME, USB (Universal Serial Bus), this hard disk interface may not be limited to a slot, plug, socket, or one of the connectors.

Therefore, the present invention is used to provide a hard disk backplane with multiple specifications of lighting, which can implement multiple lighting methods according to different hard disk specifications on the same hard disk backplane to meet the needs of different customers with multiple lighting methods. In addition, it can also save the cost of customizing for each customer's needs. That is, through the same hard drive backplane, it can achieve SGPIO lighting in SATA hard drive specifications, BMC lighting in AMD platforms in NVME hard drive specifications, and NVME hard drives. The specifications include AMD platform, VPP lighting of Intel platform and other lighting purposes.

Specific embodiments used in the present invention will be further described through the following examples and drawings.

The necessary technical means adopted by the present invention is to provide a hard disk backplane with multiple specifications of lighting. After judging whether it is a SATA hard disk specification or an NVME hard disk specification, the SGPIO lighting in the SATA hard disk specification and the NVME hard disk specification are respectively achieved. In the disk specifications, the BMC lighting of the AMD platform and the VPP lighting of the AMD platform or Intel platform are included.

Please refer to the first figure, which is a functional relationship diagram of the hard disk backplane of the present invention. As shown in the figure, the hard disk backplane 100 includes a signal source connector 10, a complex programmable logic device 20, and hard disk standard connections. Device 30.

The signal source connector 10 can be used to connect different devices for signal transmission, so that these devices can exchange information, data or signals. The signal source connector 10 can be a cable or a plug.

The complex programmable logic device 20 can be signal-coupled to the signal source connector 10, where the signal source connector 10 transmits the I ² C signal 12 to the complex programmable logic device 20. In addition, the complex programmable logic device 20 can simulate a chip model such as The status of PCA9555 communicates with the external central processing unit.

The hard disk specification connector 30 is coupled to the complex programmable logic device 20 and connected to one of the SATA hard disk specification and the NVME hard disk specification.

Among them, when the hard disk specification connector 30 is connected to the SATA hard disk specification, the SGPIO lighting 82 can be executed. When the hard disk specification connector 30 is connected to the NVME hard disk specification, the BMC of the AMD platform can be executed according to different conditions. Lighting 84, VPP lighting 86 for AMD platform, or VPP lighting 88 for Intel platform.

Furthermore, the hard disk backplane 100 may further include a control chip 40. The control chip 40 will provide a serial general-purpose input/output signal 44. The control chip 40 may further include a switch 42. The switch 42 may be configured according to the serial general-purpose input/output signal. 44 to switch the potential state to affect the lighting mode, among which the most commonly used model of the control chip 40 in the hard disk backplane 100 is PCA9557.

Furthermore, the hard disk backplane 100 may further include an I ² C switch 50 , which is electrically coupled to the signal source connector 10 and the hard disk specification connector 30 , wherein the I ² C switch 50 can be configured according ^to The lighting method is selected based on the state of the IO expander 22. For example, when the I ² C switch 50 determines the state of the IO expander 22, if it is the IO1 state and high potential, the VPP lighting of the AMD platform can be performed 86 , if it is in IO1 state and low potential, VPP lighting 88 of the Intel platform can be performed.

Going a step further, the hard disk backplane 100 can further include a temperature sensor 60 and a message recorder 70. These two are different but closely related components, which can be used to monitor and record the working status and environmental conditions of the hard disk, and have Helps provide hard drive health and performance data for troubleshooting and preventive maintenance when needed.

The temperature sensor 60 can detect the temperature status of the hard disk backplane 100 and report the data to the hard disk controller. If the temperature rises to a dangerous level, cooling measures should be taken, such as adjusting the fan speed or reducing performance. At the same time, users should suspend use, confirm the condition of the hard drive, and continue to use it after the temperature returns to stability to avoid overheating and damage to the hard drive, shortening the life of the hard drive, and causing the hard drive to lose stored information.

The message recorder 70 can record the data of the hard disk backplane 100, including manufacturer model, hard disk size type, indicator light position information and functions, etc. In addition, it can also record hard disk operation and event functions to record various related hard disk functions. Disk operation data, including error reports, performance data, diagnostic information, etc. When the hard disk fails or is abnormal, these records can help technicians perform fault diagnosis and find out the root cause of the problem, and because there are records of hard disk operations and With the event function, the user can operate the hard disk according to the content recorded by the message recorder 70, so that the hard disk can maximize its effectiveness.

In addition, the hard disk backplane 100 can further include a plurality of signal lights 80. The signal light 80 is an indicator light used to display the working status of the hard disk and notify the user or system administrator of specific events. The electrical coupling of the signal lights 80 is complex. The programmable logic device 20 and the signal light 80 can light up according to the status of the hard disk backplane 100. For example, when the SATA hard disk specification is connected this time, the position of the SGPIO light 82 will light up, and the user can view the light status through Get information.

Continuing, the hard disk backplane 100 can further include a hard disk interface 32 to ensure that the hard disk can be correctly connected to external hardware to realize data reading and writing or other operations, and the hard disk interface 32 can be connected to other hard disks. , other hard disks here include but are not limited to one of SATA hard disk specifications and NVME hard disk specifications. The hard disk interface 32 may include but is not limited to a slot, a plug, a socket, or one of the connectors. .

Please refer to the second figure, which shows the lighting flow chart of the hard disk backplane of the present invention. As shown in the figure, the lighting process includes the following steps:

Step 1 S01: First connect the DC power to enter the operating system.

Step 2 S02: Determine whether the hard drive specification connected to the connector is SATA hard drive specification or NVME hard drive specification. Different steps will be taken if the hard drive specification connected is different.

Step 3 S03: Continuing with Step 2, if it is a SATA hard disk, you can directly turn on the SGPIO light 82.

Step 4 S04: Continuing with Step 2, if it is an NVME hard disk specification, when the 0X22 register defined internally by the complex programmable logic device 20 in the hard disk backplane 100 through the I ² C signal 12 is a Bit 1, it can be preset Select BMC lighting 84 for AMD platform to perform BMC lighting 84 for AMD platform.

Step five S05: Continuing step four, make the state of the IO expansion chip 22 be the IO 0 state.

Step six S06: Continuing from step five, when the state of the IO expansion chip 22 is the IO 0 state and is at a high potential, other software is required to light the lamp.

Step seven S07: Continuing from step five, when the state of the IO expansion chip 22 is the IO 0 state and is at a low level, VPP lighting can be performed.

Step eight S08: Continuing step seven, make the state of the IO expansion chip 22 be the IO 1 state.

Step nine S09: Continuing from step eight, when the state of the IO expansion chip 22 is the IO 1 state and is at a low level, the VPP lighting 86 of the Intel platform can be performed.

Step ten S10: Continuing with step nine, when the state of the IO expansion chip 22 is the IO 1 state and is at a high potential, the VPP lighting 88 of the AMD platform can be performed.

Therefore, the present invention provides a hard disk backplane 100 with multiple specifications of lighting. Multiple lighting methods can be implemented on the same hard disk backplane 100 according to different hard disk specifications to accommodate various lighting methods for different customers. In addition to the needs, it can also save the cost of customizing for each customer's needs. That is, through the same hard disk backplane 100, it can achieve SGPIO lighting 82 in SATA hard disk specifications and BMC lighting of AMD platform in NVME hard disk specifications. 84. AMD platform in NVME hard disk specifications, and VPP lighting of Intel platform 86, 88 and other lighting purposes.

Through the above detailed description of the preferred embodiments, it is hoped that the characteristics and spirit of the present invention can be more clearly described, but the scope of the present invention is not limited by the above disclosed preferred embodiments. On the contrary, the intention is to cover various modifications and equivalent arrangements within the scope of the patent for which the present invention is intended.

10: Signal source connector 12: I ² C signal 20: Complex programmable logic device 22: IO expansion chip 30: Hard disk specification connector 32: Hard disk interface 40: Control chip 42: Switch 44: Serial universal input /Output signal 50: I2C switch 60: Temperature sensor 70: Message recorder 80: Signal light 82: SGPIO lighting 84: BMC lighting 86: AMD platform VPP lighting 88: Intel platform VPP lighting 100: Hard Disk backplane S01: Step 1 S02: Step 2 S03: Step 3 S04: Step 4 S05: Step 5 S06: Step 6 S07: Step 7 S08: Step 8 S09: Step 9 S10: Step 10

The first figure is a functional correlation diagram showing the hard disk backplane of the present invention; and The second figure shows the lighting flow chart of the hard disk backplane of the present invention.

10:Signal source connector

12:I ² C signal

20:Complex programmable logic device

22:IO expansion chip

30:Hard disk specification connector

32:Hard disk interface

40:Control chip

42:toggle switch

44: Serial general-purpose input/output signal

50:I2C switch

60: Temperature sensor

70:Message recorder

80:Signal light

82:SGPIO lighting

84:BMC lighting

86: VPP lighting of AMD platform

88:VPP lighting on Intel platform

100:Hard drive backplane

Claims (7)

A hard disk backplane with multiple specifications of lighting needs to be judged to be a SGPIO (Serial General Purpose Input/Output) lighting of a SATA hard disk specification, a BMC (Baseboard Management Controller) lighting of an AMD platform with an NVME hard disk specification, The VPP (Voltage Power Programming) of the AMD platform with the NVME hard disk specification is lit, or the VPP of the Intel platform with the NVME hard disk specification is lit. The hard disk backplane includes: a signal source connector (SIG) CONN); a Complex Programmable Logic Device (CPLD), the signal is coupled to the signal source connector, wherein the signal source connector transmits an I ² C signal to the complex programmable logic device ; And a hard disk specification connector (NVME/SAYA CONNECTOR), coupled to the complex programmable logic device, and connected to one of the SATA hard disk specification and the NVME hard disk specification, when connected to When the SATA hard disk specification is specified, the SGPIO lighting is performed; wherein, when the hard disk specification connector is connected to the SATA hard disk specification, the SGPIO lighting can be performed. When the hard disk specification connector is connected, the SGPIO lighting is performed. When the device is connected to the NVME hard disk specification, the BMC light of the AMD platform will be selected by default, and then the state of an IO expander (IO expander) will be determined to be an IO 0 state or an IO1 state. If it is When the IO1 state is high, the VPP of the AMD platform will be lit. If the IO1 state is low, the VPP of the Intel platform will be lit. The hard disk backplane of claim 1, wherein the hard disk backplane further includes a control chip, the control chip can provide a serial general-purpose input/output signal, and the control chip further includes a switch. , the switch can switch the potential state of the serial universal input/output signal. The hard disk backplane as described in claim 2, wherein the control chip model is PCA9557. The hard disk backplane of claim 1, wherein the hard disk backplane further includes an I ² C switch, and the I ² C switch is electrically coupled to the signal source connector and the hard disk. standard connector, the I ² C switch can select the lighting mode according to the status of the IO expansion chip. The hard disk backplane as described in claim 1, wherein the hard disk backplane further includes: a temperature sensor capable of detecting the temperature status of the hard disk backplane; and A message recorder can record the data of the hard disk backplane. As claimed in claim 1, the hard disk backplane further includes a plurality of signal lights, the signal lights are electrically coupled to the complex programmable logic device, and the signal lights can be configured according to the hardware Lights up when the status of the back panel is detected. As claimed in claim 1, the hard disk backplane further includes a hard disk interface, and the hard disk interface can be connected to other hard disks.