JPH0628298A - Peripheral equipment changing device - Google Patents

Abstract

PURPOSE:To provide a peripheral equipment changing device capable of changing the structure of the peripheral device during the operation of a computer system. CONSTITUTION:A peripheral equipment management list 5 manages the information of the peripheral equipment such as a magnetic disk 2 and a terminal 3 which are connected to a computer 1. A peripheral equipment management list check smeans 9 checks the list 5 in removing the required peripheral equipment during the operation of the computer system. An operating system use inhibiting means 10 sets the peripheral equipment not to use the operating system 4 when the peripheral equipment is not in use and the system 4 is judged to permit the removal as the result of the check by the means 9. A peripheral equipment management list deleting means 11 deletes the information on the peripheral equipment which is not available in the operating system 4 by the means 10 from the list 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a peripheral device changing device for changing the configuration of a peripheral device of an operating computer system without turning off the power.

[0002]

2. Description of the Related Art Conventionally, in order to change the configuration of a peripheral device while the computer system is operating, the power of the computer system is turned off, and then the configuration of the peripheral device is changed.
The power was turned on again, the connection status of the peripheral devices usable by the operating system was checked again, and the peripheral devices were set to be usable.

In a computer system having a resume function, when a peripheral device is changed in a power-off state and the power is turned on again, the state of the peripheral device at the time of power-off is issued by, for example, issuing a warning to restore. It was performing the process of starting up in the same state as.

[0004]

However, in the above conventional method, when the user of the computer system changes the configuration of the peripheral device, the power is turned off once and then turned on to start the computer system. Since it has to be fixed, it has a problem of wasting a lot of time.

Further, in the computer system having the resume function, there is a problem that the configuration of the peripheral device cannot be changed when the power is cut off by the resume function. The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a peripheral device changing device capable of changing the configuration of a peripheral device during operation of a computer system.

[0006]

According to a first aspect of the present invention, there is provided peripheral device management information storage means for storing information of an arbitrary number of peripheral devices connected to a computer as a peripheral device management table, and during operation of a computer system. In removing the desired peripheral device, the peripheral device management table investigation means for checking the peripheral device management information storage means, and the result of the investigation by this peripheral device management table investigation means is that the peripheral device is not in use,
And when it is determined that the operating system permits the removal, the operating system use prohibition means for setting the peripheral device so that the operating system cannot use it, and the result of the investigation by the peripheral device management table investigation means, If the peripheral device is in use or if it is determined that the operating system prohibits removal, an error message notifying means for notifying the user by issuing a message and an operating system use prohibiting means are provided. And a peripheral device management table deleting means for deleting information on the peripheral device whose system is no longer usable from the peripheral device management information storage means.

According to a second aspect of the invention, in addition to the configuration of the first aspect, when a peripheral device is newly connected while the computer system is operating, the peripheral device incorporating means for incorporating the peripheral device into the computer system, and the peripheral device. Operating system use permission means for setting the peripheral device incorporated in the computer system by the incorporating means so that the operating system can use it;
A peripheral device management table registration means for registering information of the peripheral device incorporated in the computer system by the peripheral device incorporation means in the peripheral device management information storage means is provided.

According to a third aspect of the invention, in addition to the configuration of the first aspect, a peripheral device configuration checking means for checking the configuration of the peripheral device when the power is turned on from the state where the power is turned off by the resume function is provided. When the peripheral device configuration checking means determines that the configuration of the peripheral device is different from that when the power is turned off, the peripheral device is removed.

According to a fourth aspect of the invention, in addition to the configuration of the second aspect, a peripheral device configuration checking means for checking the configuration of the peripheral device when the power is turned on from the state where the power is turned off by the resume function is provided. The peripheral device configuration checking means is configured to connect or disconnect the peripheral device when it is determined that the configuration of the peripheral device is different from that when the power is turned off.

[0010]

According to the first aspect of the invention, the peripheral device management information storage means stores information on an arbitrary number of peripheral devices connected to the computer as a peripheral device management table. The peripheral device management table examining means examines the peripheral device management information storing means when the desired peripheral device is removed while the computer system is operating. The operating system use prohibiting means determines that the peripheral device is the operating system if the peripheral device is not in use as a result of the investigation by the peripheral device management table investigating means and the operating system permits the removal. Is set to be unavailable. The error message reporting means reports a message when the peripheral device management table examining means determines that the peripheral device is in use or the operating system prohibits removal Warn the person. Peripheral device management table deletion means,
The information of the peripheral device whose operating system cannot be used by the operating system use prohibiting means is deleted from the peripheral device management information storage means.

In the invention of claim 2, the peripheral device incorporating means incorporates the peripheral device into the computer system when the peripheral device is newly connected during the operation of the computer system. The operating system use permission means sets the peripheral device incorporated in the computer system by the peripheral device incorporating means so that the operating system can use it. The peripheral device management table registration means registers the information of the peripheral device incorporated in the computer system by the peripheral device incorporation means in the peripheral device management information storage means.

According to another aspect of the present invention, there is provided a peripheral device configuration checking means for checking the configuration of the peripheral device when the power is turned on by the resume function when the power is turned on. When it is determined that the configuration of the peripheral device is different from that when the power is turned off, the peripheral device is removed. In the invention of claim 4,
It is equipped with a peripheral device configuration checking means for checking the configuration of the peripheral device when the power is turned on by the resume function when the power is turned on. When it is determined that the device is connected, peripheral devices are connected or disconnected.

[0013]

Embodiments of the present invention will now be described in detail with reference to the drawings. (Embodiment 1) FIG. 1 is a block diagram of a computer system including a peripheral device changing device according to a first embodiment of the present invention. A magnetic disk device 2 and a terminal 3 are connected to a computer 1 as an example of peripheral devices. Has been done. The computer 1 includes an operating system 4, a peripheral device management table 5 as a peripheral device management information storage unit, a peripheral device embedding unit 6, a peripheral device management table registration unit 7, an operating system use permission unit 8, and a peripheral device. The management table check means 9, the operating system use prohibition means 10, the peripheral device management table deletion means 11, and the error message display means 12 are provided. The peripheral device embedding unit 6, the peripheral device management table registration unit 7, and the operating system use permission unit 8 are components for incorporating the peripheral device, and the peripheral device management table investigation unit 9, the operating system use prohibition unit 10, and the peripheral device. The management table deleting means 11 and the error message displaying means 12 are components for removing the peripheral device. Peripheral device management table 5
Manages information of peripheral devices such as the magnetic disk device 2 and the terminal 3 connected to the computer 1. The peripheral device incorporating means 6 incorporates the peripheral device into the computer system when the peripheral device is newly connected during the operation of the computer system. The peripheral device management table registration means 7 stores information on the peripheral devices incorporated in the computer system by the peripheral device incorporation means 6 in the peripheral device management table 5.
Register with. Operating system use permission means 8
Sets the peripheral device incorporated in the computer system by the peripheral device incorporating means 6 so that it can be used by the operating system 4. The peripheral device management table examining means 9 examines the peripheral device management table 5 when removing the peripheral device during the operation of the computer system. As a result of the investigation by the peripheral device management table investigation means 9, the operating system use prohibiting means 10 determines that the peripheral device is not in use and that the operating system 4 permits the removal of the peripheral device. Is set so that the operating system 4 cannot be used. The peripheral device management table deleting means 11 causes the operating system use prohibiting means 10 to operate the operating system 4
The peripheral device information table 5 deletes the information about the peripheral device that has become unavailable. The error message display means 12 displays a message when the result of the investigation by the peripheral device management table investigation means 9 indicates that the peripheral device is in use or the operating system prohibits the removal. To warn the user.

FIG. 2 is an explanatory view of the contents of the peripheral device management table 5. The peripheral device management table 5 is composed of a peripheral device name, peripheral device removal permission information, and usage status information. The peripheral device name is used to distinguish the peripheral device connected to the computer 1. The peripheral device removal permission information is used to know whether or not the peripheral device can be removed. The usage status information is used to obtain the status of the peripheral device connected to the computer 1.

Next, the operation will be described. First, the operation of removing the peripheral device will be described with reference to the flowchart of FIG. When removing a desired peripheral device during operation of the computer system, the peripheral device management table investigation means 9 first checks the peripheral device management table 5 (step S
1) From the peripheral device removal permission information, it is determined whether removal of the peripheral device is prohibited (step S2). If it is not prohibited, it is determined from the usage status information whether or not the peripheral device is in use (step S3). If the peripheral device is not in use, the peripheral device recognizes that the peripheral device can be removed, and the operating system use prohibiting means 10 prevents the operating system 4 from using the peripheral device (step S4). Deletes the information of the peripheral device from the peripheral device management table 5 (step S5). If the removal of the peripheral device is prohibited in step S2, the error message display means 12 notifies the user of the computer system to that effect (step S6). This is used to prevent the data from becoming unavailable by removing the peripheral device while the operating system 4 of the computer 1 stores the necessary information by using the peripheral device. It If it is determined in step S3 that the peripheral device is in use, the error message display means 12 notifies the user of the computer system to newly remove the peripheral device when the peripheral device is not in use.

Next, the operation of newly connecting the peripheral device will be described with reference to the flowchart of FIG. When newly connecting a desired peripheral device during the operation of the computer system, the peripheral device incorporating means 6 first initializes the peripheral device and incorporates it into the computer system (step S11). Next, the peripheral device management table registration means 7 registers the information of the peripheral device in the peripheral device management table 5 (step S12). Next, the operating system use permission means 8 makes the peripheral device available to the operating system 4 (step S13).

As described above, during operation of the computer system, the peripheral device can be newly connected or disconnected without turning off the power, and the working time can be shortened favorably. Further, it is possible to prevent the user of the computer from accidentally removing the peripheral device in use or the peripheral device used by the computer system. (Embodiment 2) FIG. 5 is a block diagram of a computer system including a peripheral device changing apparatus according to a second embodiment of the present invention. The difference from the peripheral device changing apparatus according to the first embodiment is that the computer 1 has a resume means 14 and peripherals. This is the point that the device configuration investigation means 15 is added. The peripheral device configuration checking means 15 checks the configuration of the peripheral device when the power is turned on from the state where the power is turned off by the resume means 14.

The operation when the configuration of the peripheral device is changed while the power is turned off by the resume means 14 will be described with reference to the flowchart of FIG. When the power is turned on after the power is turned off, the peripheral device configuration inspecting means 15 first checks the connection state of the peripheral device (step S21) and determines whether or not there is a peripheral device removed (step S2).
2). If there is a peripheral device that has been removed, the peripheral device management table investigation means 9 checks the peripheral device management table 5 (step S2).
3) From the peripheral device removal permission information, it is determined whether the removal of the peripheral device is prohibited (step S24). If it is not prohibited, it is determined from the usage status information whether or not the peripheral device is in use (step S25). If the peripheral device is not in use, the peripheral device recognizes that the peripheral device is removable, and the operating system use prohibiting means 10 prevents the operating system 4 from using the peripheral device (step S2).
6), the peripheral device management table deleting means 11 deletes the information of the peripheral device from the peripheral device management table 5 (step S2).
7). Next, the peripheral device configuration investigation means 15 determines whether or not there are any peripheral devices to be checked (step S2).
8) If it remains, the process returns to step S21. If there is no remaining, this routine ends. In step S24, if the removal of the peripheral device is prohibited, the error message display means 12 notifies the user of that fact (step S29), and the power is turned off again. If it is determined in step S25 that the peripheral device is in use, the error message display means 12
However, the fact is notified to the user (step S30), and the power is turned off again. If it is determined in step S22 that there is no peripheral device removed, it is determined whether or not there is a connected peripheral device (step S31). If there is, the peripheral device incorporating means 6 initializes the peripheral device. It is converted and incorporated into the system (step S32). Next, the peripheral device management table registration means 7 registers the information of the peripheral device in the peripheral device management table 5 (step S33). Next, the operating system use permitting means 8 makes the peripheral device usable by the operating system 4 (step S34), and the process proceeds to step 28. If it is determined in step S31 that there is no peripheral device connected, the process proceeds to step 28. Of course, nothing is done for the peripherals that have not been modified. After the processing is performed for all the changed peripheral devices, the resume means 1
4 starts up the computer system. When the computer system starts up, not only does the computer 1 continue working from the state when the power was turned off,
It is possible to continue the work in an environment where the newly connected peripheral device can be used.

As described above, in the computer system having the resume function, the state of the peripheral device can be changed when the power is cut off by the resume function. In each of the above embodiments, the peripheral device management table 5, the peripheral device incorporating means 6, the peripheral device management table registration means 7, the operating system use permission means 8, the peripheral device management table investigation means 9, and the operating system use prohibition means 1 are used.
Although 0, the peripheral device management table deleting means 11, the error message displaying means 12, and the peripheral device configuration examining means 15 are configured independently of the operating system 4, they may be incorporated in the operating system 4.

[0020]

As described above, according to the present invention, peripheral device management information storage means for storing information of an arbitrary number of peripheral devices connected to a computer as a peripheral device management table, and a computer system in operation. When the desired peripheral device is removed, the peripheral device management table investigation means for checking the peripheral device management information storage means and the result of the investigation by the peripheral device management table investigation means are that the peripheral device is not in use and the operating system is removed. If it is judged that the peripheral device is permitted, the operating system use prohibition means that sets the peripheral device so that it cannot be used by the operating system and the peripheral device management table investigation means Yes, or if the operating system determines that removal is prohibited. And a peripheral device management table that deletes from the peripheral device management information storage means error message notification means for notifying a message to warn the user and information on the peripheral device whose operating system cannot be used by the operating system use prohibiting means. With the removal means, it is possible to remove the peripheral device while the computer system is operating without turning off the power.
Work time can be shortened. Further, it is possible to prevent the computer user from accidentally removing the peripheral device being used or the peripheral device used by the system.

Further, when a peripheral device is newly connected during the operation of the computer system, a peripheral device incorporating means for incorporating the peripheral device into the computer system,
Peripheral device management information that includes operating system use permission means for setting the peripheral device incorporated in the computer system by the peripheral device embedding means so that the operating system can use it, and information about the peripheral device incorporated in the computer system by the peripheral device embedding means By adding a peripheral device management table registration unit to be registered in the storage unit, the peripheral device can be newly connected or disconnected without turning off the power during the operation of the computer system, and the working time can be further reduced.

Further, a peripheral device configuration check means for checking the configuration of the peripheral device when the power is turned on from the state where the power is turned off by the resume function is provided, and the configuration of the peripheral device is checked by the peripheral device configuration check means. If it is determined that the peripheral device is connected or disconnected when it is determined that it is different from the time of disconnection, the peripheral device status can be changed even if the computer system with the resume function is in the power-off state by the resume function. Can be changed.

[Brief description of drawings]

FIG. 1 is a block diagram of a computer system including a peripheral device changing device according to a first embodiment of the present invention.

FIG. 2 is an explanatory diagram of contents of a peripheral device management table.

FIG. 3 is a flowchart illustrating a peripheral device removing operation of the peripheral device changing device according to the first exemplary embodiment of the present invention.

FIG. 4 is a flowchart illustrating a peripheral device connecting operation of the peripheral device changing device according to the first exemplary embodiment of the present invention.

FIG. 5 is a block diagram of a computer system including a peripheral device changing device according to a second embodiment of the present invention.

FIG. 6 is a flowchart illustrating an operation of the computer system including the peripheral device changing device according to the second embodiment of the present invention.

[Explanation of symbols]

 1 Computer 2 Magnetic Disk Device 3 Terminal 4 Operating System 5 Peripheral Device Management Table 6 Peripheral Device Embedding Means 7 Peripheral Device Management Table Registering Means 8 Operating System Use Permission Means 9 Peripheral Device Management Table Examining Means 10 Operating System Use Prohibition Means 11 Peripheral Devices Management table deletion means 12 Error message display means 14 Resume means 15 Peripheral device configuration investigation means

Claims (4)

[Claims] 1. Peripheral device management information storage means for storing information of an arbitrary number of peripheral devices connected to a computer as a peripheral device management table, and said peripheral device for removing a desired peripheral device during operation of a computer system. When it is determined that the peripheral device is not in use and the operating system permits the removal, as a result of the investigation by the peripheral device management table investigation means for checking the management information storage means and the peripheral device management table investigation means. The operating system prohibition means for setting the peripheral device so that it cannot be used by the operating system, and the result of the investigation by the peripheral device management table investigation means is that the peripheral device is in use or the operating system has been removed. If it is judged that it is prohibited,
An error message notifying means for notifying a message to warn the user, and a peripheral device management table deletion for deleting from the peripheral device management information storage means information on a peripheral device whose operating system cannot be used by the operating system use prohibiting means. Peripheral device changing device comprising: 2. When a peripheral device is newly connected while the computer system is operating, the peripheral device incorporating means for incorporating the peripheral device into the computer system, and the peripheral device incorporated into the computer system by the peripheral device incorporating means are operating systems. A peripheral device management table registration unit for registering information of the peripheral device incorporated in the computer system by the peripheral device incorporation unit in the peripheral device management information storage unit. The peripheral device changing device according to claim 1, wherein: 3. A peripheral device configuration check means for checking the configuration of a peripheral device when the power is turned on from a state where the power is turned off by the resume function, and the peripheral device configuration check means causes the configuration of the peripheral device to be a power source. 2. The peripheral device changing device according to claim 1, wherein the peripheral device is detached when it is determined that it is different from the time of disconnection. 4. A peripheral device configuration checking means for checking the configuration of a peripheral device when the power is turned on from a state where the power is turned off by the resume function is provided, and the configuration of the peripheral device is powered by the peripheral device configuration checking means. The peripheral device changing device according to claim 2, wherein the peripheral device connecting or disconnecting device is configured to be connected or disconnected when it is determined that the time is different from when the peripheral device is disconnected.