CN210328065U - Driving system of hard disk signal lamp - Google Patents
Driving system of hard disk signal lamp Download PDFInfo
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- CN210328065U CN210328065U CN201920738420.8U CN201920738420U CN210328065U CN 210328065 U CN210328065 U CN 210328065U CN 201920738420 U CN201920738420 U CN 201920738420U CN 210328065 U CN210328065 U CN 210328065U
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Abstract
The utility model is suitable for a backplate field is extended to the hard disk, provides a drive system of hard disk signal lamp. The system comprises a mainboard, a hard disk expansion backboard, one or more groups of hard disk signal lamp groups and one or more first hard disks, wherein the mainboard is provided with an onboard SATA interface electrically connected with the one or more first hard disks, the hard disk expansion backboard is provided with a CPLD chip electrically connected with the one or more first hard disks and a first hard disk interface electrically connected with the one or more first hard disks, the first hard disk interface is also electrically connected with the CPLD chip, the one or more groups of hard disk signal lamp groups are respectively electrically connected with the CPLD chip, and each group of hard disk signal lamp groups corresponds to a state signal of one first hard disk. The utility model discloses make the hard disk extend the expansion of SATA interface that the backplate can support the mainboard, can drive the hard disk signal lamp that corresponds with the SATA interface connection's of mainboard, simple and practical has very big meaning on the application of backplate is extended to the hard disk.
Description
Technical Field
The utility model belongs to backplate field is extended to the hard disk, especially relates to a drive system of hard disk signal lamp.
Background
In a conventional storage device, a signal lamp of a hard disk is generally driven by analyzing an SGPIO (Serial General Purpose input output) signal to indicate an operating state of the hard disk. The working states of the hard disk are generally 3, namely an active state, a positioning state and a fault state. Each working state of the hard disk corresponds to a state indicator light, and the current working state of the hard disk is controlled and displayed generally by a Complex Programmable Logic Device (CPLD) chip.
Disk Array cards are generally classified into HBA (Host Bus Adapter) cards and RAID (Redundant Array of Independent Disks) cards. The main function of the HBA card is to implement physical connection between an I/O channel inside the server and an I/O channel of the storage system, configure all the hard disks into one storage system, and enable the host system to access the storage device. The main function of the RAID card is to configure all hard disks into one virtual RAID disk volume, provide higher storage performance than a single hard disk, and provide data redundancy.
However, in the prior art, there is a problem that the hard disk expansion backplane generally needs to be used with a RAID card or an HBA card, and the SGPIO signal exists on the RAID card and the HBA card. When the device works, the state of the hard disk can be acquired by the RAID card or the HBA card, the disk array card updates the SGPIO signal, and the CPLD chip analyzes the SGPIO signal, so that a hard disk signal lamp corresponding to the hard disk is driven. The use limitation of the technology is that only the SGPIO signal of the RAID card or the HBA card can be analyzed, and the hard disk expansion backplane can be used only by matching the main board with the RAID card or the HBA card. However, a general motherboard has only a plurality of SATA (serial advanced Technology Attachment) interfaces, and is not collocated with a disk array card, and when a hard disk expansion backplane is used, because the motherboard cannot send an SGPIO signal and a CPLD cannot analyze SATA signals, a working state of the hard disk cannot be prompted, and thus, use and development of the hard disk expansion backplane are limited.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a driving system of hard disk signal lamp aims at solving the hard disk and extends the expansion of the SATA interface that the backplate does not support the mainboard, can not drive the hard disk signal lamp's that corresponds with the SATA interface connection's of mainboard problem.
The utility model provides a driving system of hard disk signal lamp, which comprises a mainboard, the backplate is extended to the hard disk, a set of or multiunit hard disk signal lamp group and one or more first hard disk, the mainboard has the board that is connected with one or more first hard disk electricity and carries SATA interface, the hard disk is extended the backplate and is had the CPLD chip of being connected with one or more first hard disk electricity and the first hard disk interface of being connected with one or more first hard disk electricity, first hard disk interface still is connected with the CPLD chip electricity, a set of or multiunit hard disk signal lamp group is connected with the CPLD chip electricity respectively, every group hard disk signal lamp group corresponds the status signal of a first hard disk.
Furthermore, each first hard disk is electrically connected with the CPLD chip through a ground pin and a reserved pin.
Furthermore, the mainboard of the driving system of the hard disk signal lamp is also provided with a disk array card, the driving system of the hard disk signal lamp also comprises one or more second hard disks electrically connected with the disk array card, the hard disk expansion backboard is also provided with a selector switch electrically connected with the CPLD chip and a second hard disk interface electrically connected with the one or more second hard disks, and the second hard disk interface is also electrically connected with the CPLD chip; the disk array card is also electrically connected with the CPLD chip through the SGPIO interface, and each group of hard disk signal lamp group also corresponds to a state signal of a second hard disk.
Furthermore, the CPLD chip is electrically connected with the grounding pin of the second hard disk through the second hard disk interface.
The utility model discloses in, because the board of the actuating system's of hard disk signal lamp mainboard carries SATA interface and one or more first hard disk electricity is connected, the CPLD chip and one or more first hard disk electricity that the backplate was extended to the hard disk are connected, and a set of or multiunit hard disk signal banks are connected with the CPLD chip electricity respectively, and every group hard disk signal banks corresponds the status signal of a first hard disk. Therefore, the CPLD chip can monitor the insertion state and the activity state of the first hard disk, so as to drive the hard disk signal lamp bank, so that the hard disk expansion back plate can support expansion of the SATA interface of the mainboard, and can drive the hard disk signal lamp corresponding to the hard disk connected with the SATA interface of the mainboard.
The main board of the driving system of the hard disk signal lamp is also provided with a disk array card, the driving system of the hard disk signal lamp also comprises one or more second hard disks electrically connected with the disk array card, the hard disk expansion back plate is also provided with a selector switch electrically connected with the CPLD chip and second hard disk interfaces electrically connected with the one or more second hard disks, and the second hard disk interfaces are also electrically connected with the CPLD chip; the disk array card is also electrically connected with the CPLD chip through the SGPIO interface, and each group of hard disk signal lamp group also corresponds to a state signal of a second hard disk. Therefore, the selection switch on the hard disk expansion backboard can be manually controlled, so that the CPLD chip can not only analyze the SGPIO signal of the disk array card, thereby driving the flash of the hard disk signal, but also can analyze the level of a hard disk signal pin under the working mode that the on-board SATA interface is connected with the hard disk expansion backboard, and the CPLD can also drive the hard disk lamp to flash. The utility model discloses can adopt the interface definition of standard, cost economy, hardware circuit design is simple, has increased the application scope that the backplate was extended to the hard disk for the hard disk is extended the extension that the backplate supported RAID card and HBA card, also supports the extension of the SATA interface of mainboard, has increased the application range that the backplate was extended to the hard disk, thereby has improved storage system's flexibility remarkably.
Drawings
Fig. 1 is a schematic circuit structure diagram of a driving system of a hard disk signal lamp according to an embodiment of the present invention.
Fig. 2 is a schematic circuit structure diagram of a driving system of a hard disk signal lamp according to an embodiment of the present invention.
Fig. 3 is a pin diagram of the first hard disk.
Detailed Description
In order to make the objects, technical solutions and advantageous effects of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to explain the technical solution of the present invention, the following description is made by using specific examples.
The first embodiment is as follows:
referring to fig. 1, a driving system of a hard disk signal lamp provided in an embodiment of the present invention includes a motherboard 11, a hard disk expansion backplane 12, a set or multiple sets of hard disk signal lamp sets 13 and one or multiple first hard disks 14, where the motherboard 11 has an onboard SATA interface 111 electrically connected to the one or multiple first hard disks 14, the hard disk expansion backplane 12 has a CPLD chip 121 electrically connected to the one or multiple first hard disks 14 and a first hard disk interface 122 electrically connected to the one or multiple first hard disks 14, the first hard disk interface 122 is further electrically connected to the CPLD chip 121, the set or multiple sets of hard disk signal lamp sets 13 are respectively electrically connected to the CPLD chip 121, and each set of hard disk signal lamp sets 13 corresponds to a status signal of the first hard disk 14.
In the first embodiment of the present invention, the first hard disk interface 122 may specifically be an SAS interface and/or an SATA interface. Each first hard disk 14 is electrically connected to the CPLD chip 121 through a ground pin and a reserved pin, as shown in fig. 3, the ground pin is a fifth pin P5, and may also be a sixth pin P6 and a seventh pin P7, and the reserved pin is an eleventh pin P11. The first hard disk 14 is specifically a SATA hard disk or a SAS hard disk. Each hard disk signal lamp group 13 comprises an LED blue lamp and an LED red lamp, and after the first hard disk is plugged into the hard disk expansion backboard and is powered on, the LED blue lamp is normally on, and the LED red lamp is off; the activity prompt signal of the first hard disk is that the LED blue light flickers and the LED red light is turned off. Each first hard disk 14 is electrically connected to an onboard SATA interface 111 via a SATA to SFF-8087 cable.
The embodiment of the utility model provides a drive system of hard disk signal lamp's theory of operation as follows:
the CPLD chip monitors the insertion state of the first hard disks, the CPLD chip detects the level state of the grounding pin of each first hard disk, when the grounding pin is changed from high level to low level, the system can distinguish that the first hard disk is inserted into the hard disk expansion backboard, so that the LED blue lamp in the corresponding hard disk signal lamp group is driven to be normally on, and the LED red lamp is driven to be off, the CPLD chip detects the reserved pin of each first hard disk, when the reserved pin is changed from low level to high level, the system can distinguish that the first hard disk is in an active state, so that the LED blue lamp is driven to be in a flashing state, and the LED red lamp is driven to be off.
Example two:
referring to fig. 2, a driving system of a hard disk signal lamp provided by the second embodiment of the present invention is different from the driving system of the hard disk signal lamp provided by the first embodiment of the present invention in that: the embodiment of the utility model provides a second drive system's of hard disk signal lamp mainboard that provides still has disk array card 212, and hard disk signal lamp's drive system still includes one or more second hard disks 25 with disk array card 212 electricity is connected, and hard disk expansion backplate still has selector switch 223 and the second hard disk interface 224 of being connected with one or more second hard disks 25 electricity that are connected with the CPLD chip electricity, and second hard disk interface 224 still is connected with the CPLD chip electricity; the disk array card 212 is also electrically connected with the CPLD chip through the SGPIO interface, and each hard disk signal lamp group also corresponds to a status signal of the second hard disk 25.
In the second embodiment of the present invention, the disk array card 212 may specifically be an HBA card and a RAID card. The second hard disk interface 224 may be an SAS interface and/or an SATA interface. The CPLD chip is electrically connected to a ground pin of the second hard disk 25 through the second hard disk interface 224, where the ground pin is the fifth pin P5, and may also be the sixth pin P6 and the seventh pin P7. The second hard disk 25 is specifically a SATA hard disk or a SAS hard disk. The selection switch 223 may be a jump cap having three pins, specifically, a ground terminal, a power terminal, and a NULL terminal. The CPLD chip can detect the pin state of the jump cap, the jump cap jumps to the grounding end, the interface type expanded by the hard disk expanded backboard is a disk array card, the jump cap jumps to the power end, the interface type expanded by the hard disk expanded backboard is an onboard SATA interface, and the interface type needing to be accessed to the hard disk expanded backboard can be manually and freely selected, so that the CPLD chip of the hard disk expanded backboard can acquire the expanded interface type of the access system. After the second hard disk is plugged into the hard disk expansion back plate and is powered on, the LED blue lamp is normally on, and the LED red lamp is turned off; the activity prompt signal of the second hard disk is that an LED blue light flickers and an LED red light is turned off; the positioning prompt signal of the second hard disk is that the LED blue lamp is normally on, and the LED red lamp is normally on; the error prompt signal of the second hard disk is that the LED blue lamp is normally on, and the LED red lamp flickers. Each second hard disk 25 is electrically connected to the disk array card 212 through an SFF-8087 cable.
The embodiment of the utility model provides a second actuating system of hard disk signal lamp's theory of operation as follows:
the hard disk expansion back plate simultaneously supports two working modes, any one working mode can be freely selected through the selection switch, and the hard disk signal lamp group can be driven by the two working modes. When the hard disk expansion backboard is in a working mode of an onboard SATA interface of the mainboard, the CPLD chip monitors the insertion state of the first hard disks, the CPLD chip detects the level state of the grounding pin of each first hard disk, when the grounding pin changes from a high level to a low level, the system can distinguish that the first hard disks are inserted into the hard disk expansion backboard, so that the LED blue lamps in the corresponding hard disk signal lamp groups are driven to be normally on, the LED red lamps are turned off, the CPLD chip detects the reserved pins of each first hard disk, when the reserved pins change from the low level state to the high level state, the system can distinguish that the first hard disks are in an active state, so that the LED blue lamps are driven to be in a flashing state, and the LED red lamps are turned off.
When the hard disk expansion backboard is in a working mode of the disk array card, the CPLD chip monitors the insertion state of the second hard disk, the CPLD chip detects the level state of the grounding pin of each second hard disk, when the grounding pin is changed from a high level to a low level, the system can distinguish that the second hard disk is inserted into the hard disk expansion backboard, so that the LED blue lamp in the corresponding hard disk signal lamp group is driven to be normally on, the LED red lamp is driven to be off, and then the CPLD chip generates driving signals for driving different states of the corresponding hard disk signal lamp group by analyzing the SGPIO signal sent by the disk array card. Specifically, the back CPLD chip receives three SGPIO signals sent by the disk array card, and names the Info1, the Info2 and the Info3 in sequence. Receiving the Info1 signal, generating an activity prompt signal of the second hard disk, enabling an LED blue light of the hard disk expansion backboard to continuously flash, and enabling an LED red light to be turned off; receiving an Info2 signal, and generating a positioning prompt signal of a second hard disk, so that an LED blue lamp and an LED red lamp of the hard disk expansion backboard are normally on; and receiving the Info3 signal, and generating an error prompt signal of the second hard disk, so that an LED blue lamp of the hard disk expansion backboard is normally on, and an LED red lamp flickers.
The utility model discloses in, because the board of the actuating system's of hard disk signal lamp mainboard carries SATA interface and one or more first hard disk electricity is connected, the CPLD chip and one or more first hard disk electricity that the backplate was extended to the hard disk are connected, and a set of or multiunit hard disk signal banks are connected with the CPLD chip electricity respectively, and every group hard disk signal banks corresponds the status signal of a first hard disk. Therefore, the CPLD chip can monitor the insertion state and the activity state of the first hard disk, so as to drive the hard disk signal lamp bank, so that the hard disk expansion back plate can support expansion of the SATA interface of the mainboard, and can drive the hard disk signal lamp corresponding to the hard disk connected with the SATA interface of the mainboard.
The main board of the driving system of the hard disk signal lamp is also provided with a disk array card, the driving system of the hard disk signal lamp also comprises one or more second hard disks electrically connected with the disk array card, the hard disk expansion back plate is also provided with a selector switch electrically connected with the CPLD chip and second hard disk interfaces electrically connected with the one or more second hard disks, and the second hard disk interfaces are also electrically connected with the CPLD chip; the disk array card is also electrically connected with the CPLD chip through the SGPIO interface, and each group of hard disk signal lamp group also corresponds to a state signal of a second hard disk. Therefore, the selection switch on the hard disk expansion backboard can be manually controlled, so that the CPLD chip can not only analyze the SGPIO signal of the disk array card, thereby driving the flash of the hard disk signal, but also can analyze the level of a hard disk signal pin under the working mode that the on-board SATA interface is connected with the hard disk expansion backboard, and the CPLD can also drive the hard disk lamp to flash. The utility model discloses can adopt the interface definition of standard, cost economy, hardware circuit design is simple, has increased the application scope that the backplate was extended to the hard disk for the hard disk is extended the extension that the backplate supported RAID card and HBA card, also supports the extension of the SATA interface of mainboard, has increased the application range that the backplate was extended to the hard disk, thereby has improved storage system's flexibility remarkably.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The driving system of the hard disk signal lamp is characterized by comprising a mainboard, a hard disk expansion back plate, one or more groups of hard disk signal lamp groups and one or more first hard disks, wherein the mainboard is provided with an onboard SATA interface electrically connected with the one or more first hard disks, the hard disk expansion back plate is provided with a CPLD chip electrically connected with the one or more first hard disks and a first hard disk interface electrically connected with the one or more first hard disks, the first hard disk interface is also electrically connected with the CPLD chip, the one or more groups of hard disk signal lamp groups are respectively electrically connected with the CPLD chip, and each group of hard disk signal lamp groups corresponds to a state signal of one first hard disk.
2. The hard disk signal lamp driving system as claimed in claim 1, wherein each first hard disk is electrically connected to the CPLD chip through a ground pin and a reserved pin.
3. The hard disk signal lamp driving system according to claim 1, wherein the hard disk signal lamp driving system motherboard further has a disk array card, the hard disk signal lamp driving system further includes one or more second hard disks electrically connected to the disk array card, the hard disk expansion backplane further has a selector switch electrically connected to the CPLD chip and a second hard disk interface electrically connected to the one or more second hard disks, the second hard disk interface further being electrically connected to the CPLD chip; the disk array card is also electrically connected with the CPLD chip through the SGPIO interface, and each group of hard disk signal lamp group also corresponds to a state signal of a second hard disk.
4. The hard disk signal lamp driving system according to claim 3, wherein the disk array card is specifically an HBA card and a RAID card.
5. The hard disk signal lamp driving system according to claim 3, wherein the first hard disk interface and the second hard disk interface are in particular SAS interfaces and/or SATA interfaces.
6. The hard disk signal lamp driving system according to claim 3, wherein the CPLD chip is electrically connected to the ground pin of the second hard disk through the second hard disk interface.
7. The hard disk signal lamp driving system as claimed in claim 3, wherein the first hard disk and the second hard disk are in particular SATA hard disks or SAS hard disks.
8. The hard disk signal lamp driving system as claimed in claim 3, wherein the selection switch is a jump cap having three pins, specifically, a ground terminal, a power terminal and a NULL terminal.
9. The hard disk signal lamp driving system as claimed in claim 1 or 3, wherein each hard disk signal lamp group includes an LED blue lamp and an LED red lamp.
10. The hard disk signal lamp driving system as claimed in claim 3, wherein each first hard disk is electrically connected to the on-board SATA interface through a SATA-to-SFF-8087 cable, and each second hard disk is electrically connected to the raid card through an SFF-8087 cable.
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| CN201920738420.8U CN210328065U (en) | 2019-05-21 | 2019-05-21 | Driving system of hard disk signal lamp |
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| CN201920738420.8U CN210328065U (en) | 2019-05-21 | 2019-05-21 | Driving system of hard disk signal lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114167941A (en) * | 2021-08-27 | 2022-03-11 | 苏州浪潮智能科技有限公司 | Dual-port clock signal configuration device for hard disk clamping groove |
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2019
- 2019-05-21 CN CN201920738420.8U patent/CN210328065U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114167941A (en) * | 2021-08-27 | 2022-03-11 | 苏州浪潮智能科技有限公司 | Dual-port clock signal configuration device for hard disk clamping groove |
| CN114167941B (en) * | 2021-08-27 | 2023-07-18 | 苏州浪潮智能科技有限公司 | Dual-port clock signal configuration device for hard disk card slot |
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