TW201423396A - Apparatus for display hard disc state - Google Patents

Abstract

An apparatus for displaying a hard disc (HD) state includes a controlling unit, a first displaying unit, a second displaying unit and a third displaying unit. The controlling unit provides a working signal and a fault signal, wherein the working signal indicates a HD working state and the fault signal indicates a HD fault state. The first displaying unit receives the working signal and displays a first displaying state according to a voltage level of the working signal. The second displaying unit receives the fault signal and a connecting signal, and displays a second displaying state according to a voltage level of the fault signal and the connecting signal, wherein the connecting signal indicates a connecting state of the HD and a HD backplane. The third displaying unit receives the fault signal and displays a third displaying state according to a voltage level of the fault signal.

Description

Hard disk status display device

A display device is particularly related to a hard disk state display device.

Generally speaking, in the application of the server or the computer system, the metropolis uses the display of the light number to display the corresponding state of the hard disk to indicate whether the hard disk is connected, working or wrong.

The current practice is to provide a serial general purpose input output (SGPIO) signal to a microcontroller (Micro Controller Unit, MCU) by using a storage control chip disposed on the motherboard. The microcontroller parses out the aforementioned hard disk state, and generates corresponding control signals to different light emitting diodes (LEDs) to control the light emitting diodes to generate corresponding light sources, thereby displaying the corresponding correspondence of the hard disks. status.

However, since the microcontroller uses a microcontroller to parse the serial general-purpose input and output signals, it requires an additional manpower to develop and design the firmware required for the microcontroller. Also, adding a microcontroller to the layout on the hard disk backplane will cause difficulty in layout. Therefore, there is still room for improvement in the hard disk state display device.

The present disclosure provides a hard disk state display device, thereby reducing circuit design and layout complexity and circuit use cost, thereby increasing the convenience of use.

A hard disk state display device according to the present disclosure includes a control unit, a first display unit, a second display unit, and a third display unit. The control unit is configured to provide a working signal and an error signal, wherein the working signal is used to indicate the working state of the hard disk, and the error signal is used to indicate the status of the hard disk error. The first display unit is coupled to the control unit for receiving the working signal and displaying the first display state according to the voltage level of the working signal. The second display unit is coupled to the control unit for receiving the error signal and the connection signal, and displaying the second display state according to the error signal and the voltage level of the connection signal, wherein the connection signal is used to indicate the hard disk and the hard disk backplane Connection status. The third display unit is coupled to the control unit for receiving an error signal and displaying the third display state according to the voltage level of the error signal.

In an embodiment, the first display unit includes a first resistor and a first LED. The first end of the first resistor receives the operating voltage. The anode end of the first LED is coupled to the second end of the first resistor, and the cathode end of the first LED receives the working signal.

In an embodiment, the foregoing second display unit includes a second resistor, a second LED, and a third resistor. The first end of the second resistor receives the operating voltage, and the second end of the second resistor receives the error signal. The anode end of the second LED is coupled to the second end of the second resistor, and the cathode end of the second LED receives the connection signal. The first end of the third resistor receives the operating voltage, and the second end of the third resistor is coupled to the cathode end of the second LED.

In an embodiment, the foregoing second display unit further includes a first buffer. the first The buffer is coupled between the control unit and the anode end of the second LED to receive and buffer the error signal.

In an embodiment, the third display unit includes a fourth resistor, a fifth resistor, and a third LED. The first end of the fourth resistor receives the operating voltage, and the second end of the fourth resistor receives the error signal. The first end of the fifth resistor receives the operating voltage. The anode end of the third LED is coupled to the second end of the fifth resistor, and the cathode end of the third LED is coupled to the second end of the fourth resistor.

In an embodiment, the foregoing third display unit further includes a second buffer. The second buffer is coupled between the control unit and the cathode end of the third LED to receive and buffer the error signal.

The hard disk state display device of the present disclosure generates a corresponding working signal and an error signal by the control unit, and then displays the corresponding first display state and the second display unit according to the voltage level of the working signal by the first display unit. The error signal and the voltage level of the connection signal display a corresponding second display state, and the third display unit displays a corresponding third display state according to the voltage level of the error signal. In this way, it is not necessary to use a microcontroller to generate a signal corresponding to the state of the hard disk, which can effectively reduce the complexity of the circuit design and layout and the use cost of the circuit, thereby increasing the convenience of use.

The features and implementations of the present disclosure are described in detail below with reference to the drawings.

In the various embodiments listed below, the same reference numerals will be used to refer to the same or similar elements.

Please refer to FIG. 1 for a schematic diagram of the hard disk state display device disclosed herein. The hard disk state display device 100 of the present embodiment is disposed on a hard disk backplane, for example, and the hard disk backplane can be coupled to a hard disk so that the hard disk state display device 100 can display the hard disk corresponding to the hard disk. status. The hard disk state display device 100 includes a control unit 110, a first display unit 120, a second display unit 130, and a third display unit 140.

The control unit 110 has a first pin 111 and a second pin 112. The first pin 111 of the control unit 110 is used to provide the working signal WS, and the second pin 112 of the control unit 110 is used to provide an error signal FS. The working signal WS is used to indicate the working status of the hard disk, for example, and the error signal FS is used to indicate the hard disk error status.

In this embodiment, after the hard disk is coupled to the hard disk backplane, when the hard disk starts to work, indicating that the hard disk performs data access, the control unit 110 provides the working signal WS in the form of a pulse wave, and It is output via the first pin 111. When the hard disk is not working, indicating that the hard disk does not perform data access, the control unit 110 provides, for example, a high voltage level working signal WS and is output via the first pin 111.

In addition, when the hard disk does not have an error state, the control unit 110 provides an error signal FS such as a high voltage level, and is output via the second pin 112. When an error state occurs in the hard disk, the control unit 110 provides an error signal FS such as a low voltage level and outputs it via the second pin 112.

The first display unit 120 is coupled to the first pin 111 of the control unit 110 for receiving the working signal WS and displaying the first display state according to the voltage level of the working signal WS. For example, when the working signal WS is in the form of a pulse wave, the first display unit 120 displays, for example, a first display state of the blinking state to indicate that the hard disk starts working, that is, the hard disk performs data access. When the working signal WS is at the high voltage level, the first display unit 120 displays, for example, the first display state of the extinguished state, indicating that the hard disk is not working, that is, the hard disk does not perform data access.

The second display unit 130 is coupled to the second pin 112 of the control unit 110 for receiving the error signal FS and the connection signal CS, and displaying the second display state according to the voltage level of the error signal FS and the connection signal CS. The connection signal CS is used to indicate the connection status between the hard disk and the hard disk backplane. For example, when the connection state of the hard disk and the hard disk backplane is connected, the connection signal CS is, for example, a low voltage level. When the connection state of the hard disk and the hard disk backplane is not connected, the connection signal CS is, for example, a high voltage level.

In addition, when the error signal FS is at a high voltage level and the connection signal CS is at a low voltage level, the second display unit 130 displays, for example, a second display state in a bright state, indicating that the connection state of the hard disk and the hard disk backplane is connected. When the connection signal CS is at a high voltage level, the second display unit 130 displays, for example, a second display state of the extinguished state, indicating that the connection state of the hard disk and the hard disk backplane is unconnected.

The third display unit 140 is coupled to the second pin 112 of the control unit 110 for receiving the error signal FS and displaying the third display according to the voltage level of the error signal FS. State. For example, when the error signal FS is at a high voltage level, the third display unit 140 displays, for example, a third display state of the extinguished state, indicating that no abnormality has occurred in the hard disk. When the error signal FS is at a low voltage level, the third display unit 140 displays, for example, a third display state of the highlighted state, indicating that an abnormality has occurred in the hard disk. In this way, it is not necessary to use a microcontroller to generate a signal corresponding to the state of the hard disk, which can effectively reduce the complexity of the circuit design and layout and the use cost of the circuit, thereby increasing the convenience of use.

Please refer to FIG. 2, which is a detailed schematic diagram of the hard disk state display device disclosed in the present disclosure. The hard disk state display device 200 also includes a control unit 110, a first display unit 120, a second display unit 130, and a third display unit 140. For the coupling relationship between the control unit 110, the first display unit 120, the second display unit 130, and the third display unit 140, and related operations, reference may be made to the description of the embodiment in FIG. 1, and therefore no further description is provided herein. .

The first display unit 120 includes a first resistor R1 and a first LED 201. The first resistor R1 has a first end and a second end, and the first end of the first resistor R1 receives the operating voltage VCC. The first light emitting diode 210 has an anode end and a cathode end. The anode end of the first light emitting diode 210 is coupled to the second end of the first resistor R1. The cathode end of the first light emitting diode 210 is coupled to the control unit 110. The first pin 111 receives the working signal WS. The working voltage VCC is, for example, P5V.

The second display unit 130 includes a second resistor R2, a second LED 220 and a third resistor R3. The second resistor R2 has a first end and a second end, the first end of the second resistor R2 receives the working voltage VCC, and the second end of the second resistor R2 controls the unit 110 The second pin 112 receives the error signal FS. The second LED 220 has an anode end and a cathode end. The anode end of the second LED 220 is coupled to the second end of the second resistor R2. The cathode end of the second LED 220 receives the connection signal CS.

The third resistor R3 has a first end and a second end. The first end of the third resistor R3 receives the operating voltage VCC, and the second end of the third resistor R3 is coupled to the cathode end of the second LED 220. Further, the second display unit 130 further includes a first buffer 230. The first buffer 230 is coupled between the second pin 112 of the control unit 110 and the anode terminal of the second LED 220 for receiving and buffering the error signal FS to increase the driving capability of the error signal FS.

The third display unit 140 includes a fourth resistor R4, a fifth resistor R5, and a third LED. The fourth resistor R4 has a first end and a second end. The first end of the fourth resistor R4 receives the operating voltage VCC, and the second end of the fourth resistor R4 receives the error signal FS. The fifth resistor R5 has a first end and a second end, and the first end of the fifth resistor R5 receives the operating voltage VCC.

The third light-emitting diode 240 has an anode end and a cathode end, the anode end of the third light-emitting diode 240 is coupled to the second end of the fifth resistor R5, and the cathode end of the third light-emitting diode 240 is coupled to the fourth resistor. The second end of R4. Further, the third display unit 140 further includes a second buffer 250. The second buffer 250 is coupled between the second pin 112 of the control unit 110 and the cathode end of the third LED 240 for receiving and buffering the error signal FS to increase the driving capability of the error signal FS.

First, before the hard disk state display device 200 does not start operating, the control unit 110 The first pin 111 provides a high voltage level working signal WS, for example, such that the operating voltage VCC of the anode terminal of the first LED diode 210 and the working signal WS of the cathode terminal are both at a high voltage level, and the first LED 2 The pole body 210 is not conducting, but exhibits a first display state of an extinguished state.

At the same time, since the operating voltage VCC of the anode end and the cathode end of the second LED 220 and the third LED 240 are both at a high voltage level, the second LED 220 and the second LED 240 are disposed. The second display state and the third display state of the extinguished state are also displayed.

Then, after the hard disk is coupled to the hard disk backplane, the connection signal CS is converted to a low voltage level and transmitted to the cathode end of the second light emitting diode 220. At this time, since the hard disk does not generate an error, the second pin 112 of the control unit 110 provides the high voltage level error signal FS, and the high voltage level error signal FS is respectively transmitted through the first buffer 230. The second buffer 250 is transmitted to the anode end of the second light emitting diode 220 and the cathode end of the third light emitting diode 240.

Thereafter, since the error signal FS of the anode terminal of the second LED 220 is at a high voltage level, and the connection signal CS of the cathode terminal of the second LED 220 is at a low voltage level, the second LED is The 220 is turned on and presents a second display state of the illuminated state to indicate that the hard disk and the hard disk backplane are indeed connected. Moreover, since the error signal FS at the anode end of the third LED 220 and the operating voltage VCC at the cathode end are both at a high voltage level, the third LED 240 is still not turned on, and the third display is in an extinguished state. status.

Then, when the hard disk starts to work, the first pin 111 of the control unit 110 provides the working signal WS in the form of a pulse wave, that is, the continuous high voltage level and the low voltage level alternate working signal WS, and the work The signal WS is transmitted to the cathode terminal of the first light emitting diode 210.

At this time, since the operating voltage VCC of the anode terminal of the first light-emitting diode 210 is at a high voltage level, and the working signal WS of the cathode terminal of the first light-emitting diode 210 is in the form of a pulse wave, the first light-emitting diode 210 will continuously turn on and off, and display a first display state in a blinking state, indicating that the hard disk is working normally and data access is performed.

When the hard disk has an error state, the second pin 112 of the control unit 110 provides an error signal FS such as a low voltage level, and the error signal FS of the low voltage level is respectively transmitted through the first buffer 230 and the second buffer. The device 250 is transmitted to the anode end of the second light emitting diode 220 and the cathode end of the third light emitting diode 240.

Thereafter, since the error signal FS of the anode terminal of the second LED 220 is at a low voltage level, and the connection signal CS of the cathode terminal of the second LED 220 is at a low voltage level, the second LED is 220 does not conduct, and presents a second display state of the extinguished state.

Moreover, since the error signal FS of the anode terminal of the third LED 220 is at a low voltage level, and the operating voltage VCC of the cathode terminal of the third LED 240 is at a high voltage level, the third LED is 240 is turned on, and is in a bright state, indicating that the hard disk has an abnormal state. In this way, there is no need to use a microcontroller to generate a corresponding hard The signal of the disc state can effectively reduce the complexity of the circuit design and layout and the use cost of the circuit to increase the convenience of use.

The hard disk state display device of the embodiment of the present disclosure generates a corresponding working signal and an error signal by the control unit, and then displays the corresponding first display state and the second according to the voltage level of the working signal by the first display unit. The display unit displays the corresponding second display state according to the error signal and the voltage level of the connection signal, and the third display unit displays the corresponding third display state according to the voltage level of the error signal. In this way, it is not necessary to use a microcontroller to generate a signal corresponding to the state of the hard disk, which can effectively reduce the complexity of the circuit design and layout and the use cost of the circuit, thereby increasing the convenience of use.

The present disclosure is disclosed in the foregoing embodiments, and is not intended to limit the disclosure. Any subject matter of the present invention can be modified and retouched without departing from the spirit and scope of the disclosure. The scope of patent protection shall be subject to the definition of the scope of the patent application attached to this specification.

100, 200‧‧‧ hard disk status display device

110‧‧‧Control unit

111‧‧‧First pin

112‧‧‧second pin

120‧‧‧First display unit

130‧‧‧Second display unit

140‧‧‧ Third display unit

210‧‧‧First Light Emitting Diode

220‧‧‧Second light-emitting diode

230‧‧‧First buffer

240‧‧‧third light-emitting diode

250‧‧‧second buffer

R1‧‧‧first resistance

R2‧‧‧second resistance

R3‧‧‧ third resistor

R4‧‧‧fourth resistor

R5‧‧‧ fifth resistor

WS‧‧‧ work signal

FS‧‧‧ error signal

CS‧‧‧Connected signal

VCC‧‧‧ working voltage

FIG. 1 is a schematic diagram of a hard disk state display device according to the present disclosure.

FIG. 2 is a detailed schematic diagram of the hard disk state display device of the present disclosure.

100‧‧‧hard disk status display device

110‧‧‧Control unit

111‧‧‧First pin

112‧‧‧second pin

120‧‧‧First display unit

130‧‧‧Second display unit

140‧‧‧ Third display unit

WS‧‧‧ work signal

FS‧‧‧ error signal

CS‧‧‧Connected signal

Claims (6)

A hard disk state display device includes: a control unit for providing a working signal and an error signal, wherein the working signal is used to indicate a working state of a hard disk, and the error signal is used to indicate a hard disk error state; The first display unit is coupled to the control unit for receiving the working signal and displaying a first display state according to the voltage level of the working signal; a second display unit coupled to the control unit for Receiving the error signal and a connection signal, and displaying a second display state according to the error signal and the voltage level of the connection signal, wherein the connection signal is used to indicate a connection between a hard disk and a hard disk backplane And a third display unit coupled to the control unit for receiving the error signal and displaying a third display state according to the voltage level of the error signal. The hard disk state display device of claim 1, wherein the first display unit comprises: a first resistor having a first end receiving an operating voltage; and a first LED having an anode terminal coupled to the anode The second end of the first resistor receives the working signal at the cathode end. The hard disk state display device of claim 1, wherein the second display unit comprises: a second resistor, the first end of which receives an operating voltage, and the second end of which receives the An error signal; a second light emitting diode having an anode end coupled to the second end of the second resistor, a cathode end receiving the connection signal; and a third resistor having a first end receiving the operating voltage, the first The two ends are coupled to the cathode end of the second LED. The hard disk state display device of claim 3, wherein the second display unit further includes a first buffer coupled between the control unit and an anode terminal of the second light emitting diode for receiving Buffer the error signal. The hard disk state display device of claim 1, wherein the third display unit comprises: a fourth resistor, the first end receiving an operating voltage, the second end receiving the error signal; and a fifth resistor The first end receives the operating voltage; and a third LED, the anode end of which is coupled to the second end of the fifth resistor, and the cathode end of which is coupled to the second end of the fourth resistor. The hard disk state display device of claim 5, wherein the third display unit further includes a second buffer coupled between the control unit and the cathode end of the third LED for receiving and Buffer the error signal.