52 results about "SGPIO" patented technology

An apparatus may include a Serial General Purpose Input Output (SGPIO) initiator device. The SGPIO initiator device may have terminals to receive parallel input signals. The device may also have parallel-to-serial conversion logic to convert the parallel input signals to a serial stream. The device may further have signal ordering logic. The signal ordering logic may be in communication with the terminals and may be in communication with the parallel-to-serial conversion logic. The signal ordering logic may determine an order in which the parallel input signals are provided in the serial stream. Methods of ordering signals within an SGPIO initiator device and systems having SGPIO initiator devices are also disclosed.

The invention discloses a server hard disk condition monitoring method and system. The system comprises a main control chip, a hard disk back plate of LED lights and a RAID controller. The RAID controller is connected with a RAID card through a port to acquire preset parameter information of the hard disk in the RAID card, wherein the preset parameter information comprises hard disk information, logic magnetic disk information and hard disk current using condition. Corresponding SGPIO signals are sent to the main control chip of the hard disk back plate based on the hard disk current using condition. The hard disk back plate is connected with the RAID controller through a MINISAS line, and controls the corresponding LED lights to display corresponding conditions to indicate the conditions of the hard disk based on the content of the SGPIO signals. The system determines the hard disk conditions based on the SGPIO signals of the RAID card, namely, achieving the hard disk condition analysis through the SSF8489 protocol, and therefore the checking of the hard disk information is more convenient. The invention further discloses a server hard disk condition monitoring method which has the advantages.

The invention uses a SGPIO bus as an optional route for the communication between the two SAS expanders to guarantee high communication performance. Furthermore, two GPIO buses are used respectively as receiver and transmitter of the SGPIO so as to achieve synchronous data transmission between two SAS expanders.

An automatic serial signal detecting and transceiving device and related system and method are provided for detecting whether a connected initiator unit is using an inter-integrated circuit (I2C) interface protocol or a serial general purpose input / output (SGPIO) interface protocol. The device includes an input interface, connected to the initiator unit, and a control unit. A load pin of the input interface services either the SLoad signal line of an SGPIO bus, or the Reset signal line of an I2C bus. As the device is connected to different initiators, the control unit monitors the load pin for a trigger signal, thereby automatically detecting the interface protocol in use, and processes and transceives data in accordance with the detected interface protocol. The control unit also controls a light-emitting diode (LED) based on the detected interface protocol and data transmitted in accordance with the detected interface protocol.

A test set for a server hard disk backplane comprises a complex programmable logic devices (CPLD) chip, and a hard disk fault location index system (SGPIO) bus interface, an inter-integrated circuit (I2C) bus interface and a serial interface which are connected onto the CPLD chip, wherein the serial interface is used for being connected with a personal computer, the SGPIO bus interface and the I2C bus interface are used for being respectively connected with corresponding interfaces on a server hard disk backplane to be tested, the personal computer can send the test program to the CPLD chip through the serial interface, the CPLD chip is used for correspondingly converting the received test program into an SGPIO bus data format and an I2C bus data format, and sending the two formats to the server hard disk backplane, so the SGPIO bus and the I2C bus of the server hard disk backplane to be tested are tested. The personal computer can be applied to testing the server hard disk back plane through the test set.

The invention provides a system and method for simply controlling hard disk indicator lamps. The system comprises a server main board and an SATA-NVME hard disk back plate or SAS-NVME hard disk back plate. A logic controller, an SAS controller, an NVME controller and an SATA controller are arranged on the server main board. The logic controller judges the type of a hard disk connected with a harddisk interface. When the hard disk is an SATA hard disk, SGPIO signals sent by the SATA controller are analyzed, and the first hard disk state indicator lamp is controlled; when the hard disk is an NVME hard disk, I2C signals sent by the NVME controller are analyzed, and the first hard disk state indicator lamp is controlled; when the hard disk is an SAS hard disk, SGPIO signals sent by the SAS controller are analyzed, and the second hard disk state indicator lamp is controlled; when the hard disk is an NVME hard disk, I2C signals sent by the NVME controller are analyzed, and the second hard disk state indicator lamp is controlled.

The invention provides a test method of an SGPIO (Serial General Purpose Input / Output) signal on an SAS (Serial Attached Small Computer System Interface) backboard. The method comprises the following steps of: accessing an MINI SAS cable in the SAS backboard and a test system; and then carrying out controlling test through a visualized unit. The SAS backboard structurally comprises a data generating and processing unit simulating an SGPIO signal, the visualized unit and an MINI SAS interface. Compared with the prior art, the test method of the SGPIO signal on the SAS backboard has the advantages of reasonable design, simple structure, convenient use, easy maintenance, and the like, greatly simplifies the test flow under the conditions that server and hard disk resources are not occupied, avoids repeatedly plugging a hard disk and repeatedly booting up or shutting down a server in a traditional test mode and realizes the graphic interface of the SGPIO signal test flow.

The invention discloses a double-control storage based HDD (hard disk drive) indicating light design method. The method comprises steps as follows: two storage expansion modules are applied and connect SGPIO signals and Swtich_GPIO signals to a CPLD (complex programmable logic device) simultaneously, the heartbeat function of two storage expanders is realized by an I2C / UART (inter-integrated circuit / universal asynchronous receiver / transmitter), the working state of each other can be known timely, and an HDD indicating light is managed by the storage expansion modules. Control by a storage controller is not required, correct execution of double-control storage based HDD indicating signals can be realized through interaction of the storage expansion modules, and the indicating light can work normally when a storage link has an error.

The invention provides an electronic device capable of quickly and accurately detecting a hard disk state. The electronic device comprises a plurality of hard disk drivers, a south bridge PCH (Platform Controller Hub), a programmable device CPLD (Complex Programmable Logic Device), a substrate controller BMC (Block Multiplexer Channel) and a storage device, wherein the PCH is used for detecting the working states of the hard disk drivers, and sending a signal to the programmable device CPLD through a SGPIO (Serial General Purpose Input Output) protocol when the hard disk drivers have errors. The CPLD is used for decoding the signal, and transmitting the decoded data to the BMC through a GPIO mode. The electronic device can be used for transmitting the data by replacing the GPIO mode with an I2C mode, so that an internal data path of the CPLD cannot be blocked, and data delay and loss are avoided; the data volume processed by the CPLD is reduced greatly, so that the working efficiency is improved; moreover, a drive program corresponding to the I2C mode is not needed to be added to the CPLD, so that the programming complexity is lowered, and the programming efficiency is greatly improved.

Disclosed is a data transmission method of SGPIO that is applied to an expander and a target device connected by a SGPIO bus. The SGPIO bus at least includes a data output line and a data reading line. The expander outputs a page assign signal to the target device through the data output line. The page assign signal indicates a page address. The target device searches for at least one piece of page data at the page address according to the page assign signal. The target device outputs the page data to the expander through the data reading line. The expander reads the information transmitted through the data reading line. When the expander determines that the information transmitted through the data reading line includes the page address, the expander receives the page data.

The invention discloses a design method for optimizing hard disk management. The method comprises the following steps: sending a hard disk management signal, entering a CPLD (complex programmable logic device), and parsing the hard disk management signal, wherein the hard disk management signal is an SGPIO (serial general purpose input output) signal; after the signal is parsed, monitoring, by the CPLD, the state of a hard disk by virtue of three state indicator lamps for a control state, wherein the SGPIO signal includes four signal wires: SCLOCK, SLOAD, SDOUT and SDIN; in order to guarantee the quality of the management signal, filtering burrs in the signal, and synchronizing the SCLOCK signal by adopting a clock with the frequency of 25MHz in the CPLD. Compared with the prior art, the hard disk management scheme can be optimized without changing the circuit of hardware; by optimizing a code, while the chip resource is sufficiently utilized, the optimization when the hard disk management signal is parsed is realized, an effect for filtering a high-frequency component is realized, and the hard disk management signal quality is further improved; by virtue of the optimized design of the code, the universality of a hard disk backboard is improved, and the practicability is high.

The invention discloses a device, a system and a method for automatically detecting an I2C (inter-integrated circuit) and an SGPIO (serious general-purpose input / output), which are applied to connect with different initiators, and can automatically switch the interface protocols of the targets of the initiators. The device comprises an input interface and a control unit. The input interface is connected with the initiator; the input interface further comprises a load pin, and the load pin is electrically connected with the load pin or a reset pin of the initiator; the control unit is connected with the input interface, and judges the interface protocol of the initiator according to the trigger signal which is received by the load pin; and the control unit stores the data signal from the initiator according to the corresponding interface protocol, and controls the light-emitting diode.

The invention discloses a power source management system of signal hard disks in a raid. The power source management system is managed according to an instruction sent by an administrator. The power source management system comprises an expander and a backplane module. The expander outputs an SGPIO signal, the SGPIO signal is provided with a frequency signal (S_clk), a data output signal (S_data_out) and a data valid control signal (S_load). The data output signal is totally provided with M serial output signals for use, wherein (M-N) signals are used for controlling corresponding LEDs in each single hard disk to be opened or closed. The backplane module is respectively connected with the expander and the hard disks (1-16), wherein the backplane module is provided with a PLD. The PLD decodes P signals in the remaining N signals of the data output signal (S_data_out), and outputs the signals to control a power source of the single hard disks in the raid.

The invention provides a backboard hard disk lighting method based on a BMC, and the method comprises the following steps: the BMC sends a full-duplex serial bus command for obtaining the state of a hard disk lamp to an expansion chip regularly, the BMC obtains the state data of the hard disk lamp, and updates the state data to a client; the client sends a lighting command to the BMC, and the BMCsends a corresponding lighting full-duplex serial bus command to the expansion chip; the expansion chip analyzes a lighting full-duplex serial bus command sent by the BMC, and outputs an SGPIO signalto the CPLD device; and the CPLD device controls the lighting state of the hard disk lamp according to the SGPIO signal. According to the backboard hard disk lighting method, an operator can conveniently and rapidly locate a faulted hard disk, the time required for eliminating the hard disk fault is shortened, and the technical requirement of the operator is reduced.

The embodiment of the invention discloses a control bus circuit capable of automatically adjusting a hard disk lamp on a hard disk backplane, which comprises a main chip, a connector and a hard disk backplane. The main chip is connected with the sideband signal Pin pin of the connector through a GPIO Pin for detecting the signal of the connector. The GPIO Pin of the main chip is also connected with a power supply through a resistor; A main chip is connected with an I2C bus, an SGPIO bus, and one end of that I2C bus and the SGPIO bus is connected with a connector bus signal pin through a multiplex signal pin; The hard disk backplane is provided with a bus selection circuit connected with the connector sideband signal Pin and a bus signal management chip connected with the connector bus signal pin. The bus signal management chip is connected with the hard disk lamp. The main chip is configured to select the I2C bus or SGPIO bus to communicate with the hard disk backplane according to thelevel of the bus selection circuit. The embodiment of the invention can not only increase the applicability of the SAS and RAID cards, but also increase the applicability of the hard disk backplane.

A server system and a control method for a read / write indicator light are disclosed, in which a serial general purpose input / output signal is issued when a read / write action occurs, a bit of effective non-zero data is written into a register when the SGPIO signal has a level change, a content of the register is checked out every predetermined period, and a drive signal is outputted to drive the read / write indicator light to blink when the data in every bit of the register is not all non-zero, whereby achieving in a technical efficacy of promoting recognizability of the read / write indicator light.

The invention discloses an information processing method and an electronic device. The information processing method comprises that a primary PLD (Programmable Logic Device) is correspondingly connected to N data lines of a group of SGPIO (Serial General Purpose Input Output) buses through N data pins, and is communicated with at least two secondary PLDs through the group of SGPIO buses, wherein N is the number of pins of one secondary PLD in connection with the SGPIO buses, and the secondary PLDs are communicated with the primary PLD through the group of SGPIO buses.

The invention discloses a hard disk lamp signal control system, which comprises a plurality of hard disks, a light emitting diode unit and a control unit, wherein the control unit judges whether a hard disk is a hard disk which supports an SAS (Serial Attached SCSI) / SATA (Serial Advanced Technology Attachment) protocol or a solid state disk which supports a PCI-E (Peripheral Component Interface Express) protocol according to the logic values of the first judgment signal and the second judgment signal of each hard disk; and the control unit takes an SGPIO (Serial General Purpose Input / Output) protocol to transmit and receive a signal to obtain the operation state of a hard disk which supports the SAS / SATA protocol. By use of the control unit, according to the operation state of each hard disk, one corresponding light emitting diode group in the light emitting diode unit group is controlled to emit light to display the operation state of the hard disk.

The invention discloses a serial general purpose input / output (SGPIO) system, which comprises a sending end, an SGPIO cable and a receiving end, and is characterized in that the sending end comprisesan encoder and a first SGPIO connector. The encoder is used for carrying out cyclic redundancy check (CRC) encoding on the data so as to generate a CRC code used for checking the correctness of the data. The sending end transmits the data and the CRC code to the receiving end through the first SGPIO connector and the SGPIO cable. The receiving end comprises a second SGPIO connector and a verification unit. The second SGPIO connector is coupled to the first SGPIO connector through an SGPIO cable, and is used for receiving data and a CRC code from the first SGPIO connector. The verification unitis coupled to the two SGPIO connectors and used for verifying the data received by the second SGPIO connector according to the CRC code.

The method is suitable for the hard disk detection field. The invention provides a hard disk fault prompting system and method and a storage medium. The hard disk fault prompting system comprises a hard disk, a processor, a signal converter, a prompting control device and a fault prompting device, wherein the hard disk is in communication connection with the processor; the processor is in communication connection with the prompting control device through the signal converter; the prompting control device is in communication connection with the fault prompting device; the hard disk is used forsending state information of the hard disk to the signal converter when detecting that the hard disk is in a fault state; the signal converter is used for converting the state information of the harddisk into an SGPIO signal and sending the SGPIO signal to the prompt control device; and the prompt control device is used for analyzing the SGPIO signal to start the corresponding fault prompt device. In the hard disk fault prompting system, the hard disk is in direct communication connection with the processor to realize hard disk fault prompt, so that a switched RAID card is omitted, and the influence of the RAID card on the bandwidth is reduced, and the cost is saved.

A hard disk in-place detection system is used for detecting in-place states of a plurality of hard disks, the hard disk in-place detection system comprises a hard disk controller, a BMC chip and an analysis module, the hard disk controller is electrically connected with the hard disks and used for reading SGPIO information of the hard disks and outputting signals to be detected containing the SGPIO information, the analysis module is electrically connected with the hard disk controller, the analysis module is used for receiving the to-be-tested signal and generating hard disk in-place state information according to the level state of the to-be-tested signal, and the BMC chip is electrically connected with the analysis module and used for receiving the hard disk in-place state information,sending the hard disk in-place state information to the hard disk controller, and generating a corresponding detection report according to the hard disk in-place state information. The hard disk in-place detection system provided by the invention is high in expandability, low in cost and convenient in operation method.

The invention provides a motherboard interface signal transmission system. The system comprises a flash memory, a debug connecting port and a switching unit, wherein the switching unit receives a SGPIO (Serial General Purpose Input / Output) interface signal and a control signal; when the control signal is at a first logic level, the switching unit outputs the SGPIO interface signal to the debug connecting port; and when the control signal is at a second logic level, the switching unit conducts the flash memory to the debug connecting port so as to burn the flash memory.

The invention discloses an intelligent switching scheme for onboard SAS and ASTA of a blade server, and relates to the field of computer hardware systems. The scheme mainly includes an SATA controller module for providing an SATA interface, an SAS controller card module for providing an SAS interface, an SAS / SATA Switch module for switching SAS and SATA signals, an SGPIO Switch module for switching SAS and SATA SGPIO signals, and a CPLD module for analyzing the SAS / SATA SGPIO signals and outputting action of HDD LED status. According to the method, through controlling the status of the SAS / SATA_SEL signals, the switching action between the ASA / SATA Switch and the SGPIO Switch can be realized. The method has the benefits that the onboard SAS and SATA can be switched according to the demand of a user, replacement of the main board of a blade is avoided, the switching can be realized on line, the configuration flexibility and the usability of the blade can be improved, and external expansion I / O sources can be saved.

The invention discloses a method and a system for realizing hard disk lighting based on an extended SFF8485 communication mechanism, which relates to the technical field of a universal server. The lighting method includes: extending the SFF8485 communication mechanism to represent the lighting instructions of each set of hard disks with one or more bytes; sending the light instruction of the harddisk to the CPLD in the form of SGPIO signal; allowing CPLD to analyze that SGPIO signal to obtain the lighting instruction data, and then converting the lighting instruction data into a lighting signal and outputs the lighting signal to the LED lamp of the correspond hard disk for the lighting operation of the hard disk. The invention is based on an extended SFF8485 communication mechanism, without changing the hardware structure of the circuit, Only by modifying the lighting instruction program of SAS / RAID card and the code related to the lighting function of CPLD, various lighting modes canbe supported, and the diversified lighting requirements of customers can be met with minimal modification, and a great expansion space is provided, which facilitates the optimization and improvementof the subsequent product scheme.

The invention discloses a lighting method for a SATA hard disk. The lighting method comprises the following steps: a CPLD obtains a dial switch state of a backplane and determines a SGPIO signal source according to the dial switch state; frame information sent by a BMC is received, and a control mode of the SATA hard disk is determined according to the frame information; and a control signal transmitted from a PCH or the BMC is received according to the SGPIO signal source and the control mode so as to perform a lighting operation with the control signal. The method can be used for lighting the SATA hard disk in different control modes. The invention also discloses a lighting system for a SATA hard disk, a computer-readable storage medium and electronic equipment, which have the abovementioned beneficial effects.

The invention relates to the technical field of servers, and provides a hard disk backboard system architecture supporting redundant RAID and an RAID redundancy method. The hard disk backboard systemarchitecture supporting the redundant RAID comprises a first RAID card, a second RAID card and an SGPIO control chip; the SAS interface of the first RAID card is connected with the master PORT port, the SAS interface of the second RAID card is connected with the slave PORT port, and the SGPIO control chip is provided with a first SGPIO interface and a second SGPIO interface; the SGPIO control chipis used for controlling the main card to be switched on when the main card breaks down and controlling the state of the hard disk indicating lamp by using the SGPIO signal of the normal RAID card, so that the redundant design of the RAID card is realized, once the main card fails, the slave cards are automatically switched to continue working, the stable operation of the whole hard disk backboard system architecture is ensured, and the safety performance of the disk storage array is improved.

The present invention provides a device for indicating status of hard disk. The device includes a SGPIO (Serial General Purpose Input / Output) input terminal, a serial-parallel converting unit, a buffer unit, and a status indicating unit. The serial-parallel converting unit is connected with the SGPIO input terminal and converts the serial signals into parallel signals. The buffer unit is connected with the serial-parallel converting unit and stores the parallel signals temporally. The status indicating unit is connected with the buffer unit and indicates the status of the at least one hard disk according to the parallel signals from the buffer unit.