GB2346715A - A computer with multiple operating systems - Google Patents
A computer with multiple operating systems Download PDFInfo
- Publication number
- GB2346715A GB2346715A GB9902961A GB9902961A GB2346715A GB 2346715 A GB2346715 A GB 2346715A GB 9902961 A GB9902961 A GB 9902961A GB 9902961 A GB9902961 A GB 9902961A GB 2346715 A GB2346715 A GB 2346715A
- Authority
- GB
- United Kingdom
- Prior art keywords
- computer
- peripheral
- operating system
- hard drive
- storage devices
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
- G06F9/4406—Loading of operating system
- G06F9/441—Multiboot arrangements, i.e. selecting an operating system to be loaded
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- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Stored Programmes (AREA)
Abstract
A computer (100) with a system backup and multiple operating systems comprises multiple peripheral storage devices (210,230) connected to the computer and separately storing at least two operating systems, at least two peripheral control interfaces (120,130), each connected to the computer and to at least one storage device by signal cables and/or power cords (901), and a system selection switch (900) installed between the interfaces and the storage devices, its operation allowing the computer to be connected via a control interface with a specific storage device and hence booted from one of several operating systems. The storage devices may include hard disk drives or CD-ROM drives, and may include devices of the same or different types and models. Peripheral devices (220,310,320) may be accessed by both operating systems, but the operating system stored on device (210) may not access device (230) and vice-versa.
Description
A Computer with a System Backup and Multiple Operating Systems
The operation of a computer chiefly depends on its management by the operating system (abbreviated as O. S.). The operating system is responsible iur communicating between the user's applications programs (such as wordprocessing software and graphics editing software) and hardware devices (such as keyboard, printer, scanner, and disk drives), making the computer process the user's input according to the user's instructions, and outputing the results of processing.
Operating systems have steadily added new functions and abilities as they kept pace with the continual development of computer technology. Taking personal computers as an example, operating systems have evolved from early single-language (English) environments to today's multiple-language environments (such as Chinese, Japanese, Russian, etc.) in order to meet the needs of different types of users.
While early operating systems such as DOS 3.0 and MS-DOS 4.0 could be stored on floppy disks due to their simple capabilities, the complex capabilities of today's widely-used operating systems such as Windows 95 and 98 mean that they must be stored on a hard drive or other large-capacity peripheral storage device (such as a CD-ROM drive, etc.).
Current computers provide at least one peripheral device control interface (such as an IDE interface or Enhanced IDE interface) to connect with their hard drives or other peripheral storage devices. Among these peripheral storage devices connected by these interfaces, only one device can be used to store the operating system. One computer can therefore be installed with only one specific operating system, and for that reason different language versions of the same operating system (such as the English and Japanese versions of Windows 95) cannot be installed on the same computer.
Thus, if it is desired to run one computer under different operating systems, or if it is necessary to run applications software under a specific operating system, a reinstallation must be performed every time the operating system is changed.
For instance, a reinstallation must be performed when it is desired to run the
Japanese version of Windows 95 on a computer that was originally running the
English version of this operating system. After the Japanese version has been installed and run, it would be necessary to perform another reinstallation if it is wished to again use the English version. Because installing an operating system may take anywhere from several tens of minutes to several hours, this is both troublesome and time-consuming.
Besides, installing an operating system is not something that every user can do successfully on their own. Even if a user installs the desired operating system without difficulty, because all the relevant configuration settings will sometimes need to be reset, all the settings that the user is familiar with will be completely changed (including Windows 95's"desktop"settings) and must be set again individually. Every time a user reinstalls an operating system, it is therefore necessary to spend some time re-tuning it in order to put it into an optimal state (or the state with which the user is most familiar, including user interface and memory management, etc.)., ''.'3 The prior existing ways of making a computer run multiple operating systems, one takes advantage of special software that allows several operating systems to be stored on different boot sectors of the same peripheral storage device. By storing different operating systems in different boot sectors, the same computer can use different operating systems to start up. For instance, System
Com and Partition Magic etc., are among the types of software that allow this to be done.
However, the installation programs for this type of software are complex, and the average user does not have the specialized knowledge to perform the installation successfully. And because different operating systems are installed on the same peripheral storage device, the fact that the files used by the different operating systems are all stored on the same device may cause mutual interference to occur. Furthermore, in case the user decides that he or she no longer wishes the computer to have multiple operating systems, removing the aforementioned kind of software is an even more difficult operation, and often leaves the computer saddled with lasting instability.
Another method that allows a computer to run under several operating systems is to provide removable peripheral storage devices. In this approach different operating systems are installed on several removable storage devices, and users can change the storage devices depending upon their needs. However, v. because this type of removable storage device is delicate and easily damaged during the removal process, relatively few people have adopted this approach.
The present invention relates to a computer with a system backup and multiple operating systems. A specific device among several peripheral storage devices can be selected by means of a system selection switch, and the operating system stored in that device will be used to boot the computer. The computer can therefore meet users'different needs by running in one of several operating environments selected by booting the computer in a specific operating system chosen from the multiple operating systems via said system selection switch.
The primary aspect of the present invention is to let one computer have a system back-up and be able to run several operating systems. The system selection switch can be used to select a specific operating system, and the computer can separately preserve the data used by each operating system.
Figure 1 is a schematic diagram of an embodiment of the invention.
Figure 2 is a schematic diagram of another embodiment of the invention.
Figure 3 is a schematic diagram of still another embodiment of the invention.
Figure 4 is a schematic diagram of still another embodiment of the invention.
Referring to Figure 1, in an embodiment of the present invention, a computer 100 contains a first peripheral control interface 120 and a second peripheral control interface 130. These peripheral control interfaces are connected to the computer 100 via separate signal cables 901, and are likewise connected to other peripheral storage devices via separate signal cables 901.
The first peripheral control interface 120 is connected with a first data storage hard drive 220 and also a system selection switch 900. The system selection switch 900 has separate connections with a first operating system hard drive 210 and a second operating system hard drive 230. The second peripheral control interface 130 is first connected to a CD-ROM drive 320 and thereupon to a second data storage hard drive 310.
In addition, the system selection switch 900 receives a power cord 902 from the computer 100. The power cord 902 provides the power needed for the operation of the operating system hard drive selected by the system selection switch 900.
In the present invention, the first operating system hard drive 210 and second operating system hard drive 230 are peripheral storage devices of an identical type, model, and storage capacity. The two hard drives respective ! y ' store the different first and second operating systems. When the computer 100 is turned on, the system selection switch 900 can be used to select the first operating system hard drive 210 or the second operating system hard drive 230.
The computer 100 can therefore boot from the first or second operating system, and afterwards run under the operating system.
If the first operating system hard drive 210 is selected to boot the computer, the first operating system can access only the peripheral storage devices, including the first data storage hard drive 220, the second data storage hard drive 310 and the CD-ROM drive 320 etc., but not including the second operating system hard drive 230. The first operating system hard drive 210 therefore cannot affect the second operating system's setting values and data files.
On the other hand, if the system selection switch 900 is used to select the second operating system hard drive 230 to boot the computer, the second operating system can access only the first data storage hard drive 220, the second data storage hard drive 310 and the CD-ROM drive 320, but cannot access data in the first operating system hard drive 210, and therefore cannot affect the first operating system's setting values and data files.
Because the present invention can let the computer store different operating systems separately in different peripheral storage devices, the different operating systems and their setting values and data files are mutually independent and non-interfering. The computer's other hardware resources, in the above-mentioned embodiment including the first data storage hard drive 220, the second data storage hard drive 310 and the CD-ROM drive 320, may be used freely.
Referring to Figure 2, which represents another embodiment of the present invention. Here, a first peripheral control interface 120 is connected toa CD
ROM drive 320, and the CD-ROM drive 320 is connected to a first operating system hard drive 210. The second peripheral control interface 130 is connected to a first data storage hard drive 220, and the first data storage hard drive 220 is connected to a second operating system hard drive 230.
In said embodiment, a system selection switch 900 is connected only to power cord 902 originating from a computer 100. The power cord 902 provides the power needed by the operating system hard drive selected by system selection switch 900.
When the system selection switch 900 has been switched to select the first operating system hard drive 210 as the boot drive, the first operating system can access only the CD-ROM drive 320 and the first data storage hard drive 220, but
cannot access data in the second operating system hard drive 230, and therefore will not affect the second operating system's setting values or data files.
On the other hand, if the system selection switch 900 has been switched to select the second operating system hard drive 230 as the boot drive, the second operating system can access only the CD-ROM drive 320 and the first data storage hard drive 220, but cannot access data in the first operating system hard drive 210, and therefore will not affect the first operating syste's setting values or data files.
Because the different operating systems can be stored separately in different peripheral storage devices in said embodiment, the different operating systems and their setting values and data files are mutually independent and noninterfering. The computer's other hardware resources, including the first data storage hard drive 220 and the CD-ROM drive 320, may be used freely. As far as the different operating systems are concerned, there is no restriction on or hindrance to their use of the computer's hardware resources.
Referring to Figure 3, which represents still another embodiment of the present invention. In said embodiment, a first peripheral control interface 120 is sequentially connected to a first data storage hard drive 220 and a first operating system hard drive 210. The Chinese version of the Windows 95 operating system is stored in the first operating system hard drive 210. A second peripheral control interface 130 is sequentially connected to a second data storage hard drive 310 and a second operating system hard drive 230. The Japanese version of the
Windows 98 operating system is stored in the second operating system hard drive 230. In addition, a third peripheral control interface 140 is sequentially connected with a CD-ROM drive 320 and a third data storage hard drive 410. A system selection switch 900 is located within a computer 100. The system selection switch 900 may be used to select either the first peripheral control interface 120 or the second peripheral control interface 130 as the effective interface, which.
''" allows the peripheral devices connected to that interface to be used by the computer. For example, if the system selection switch 900 has been switched to select the first peripheral control interface 120 as the effective interface, the
Chinese version of the Windows 95 operating system stored in the first operating system hard drive 210 will control the operation of the computer 100 after it is booted up; the peripheral devices that can be accessed by this operating system include the first data storage hard drive 220, the first operating system hard drive 210, the CD-ROM drive 320 and the third data storage hard drive 410.
If the system selection switch 900 is used to select the second peripheral control interface 130 as the effective interface, the Japanese version of the
Windows 98 operating system stored in the second operating system hard drive
230 will control the operation of the computer 100 after it is booted up; the peripheral devices that can be accessed by this operating system include the
second data storage hard drive 310, the second operating system hard drive 230, the CD-ROM drive 320 and the third data storage hard drive 410.
In said embodiment of the present invention, the first operating system hard
drive 210 and second operating system hard drive 230 are peripheral devices of
an identical type, model, and storage capacity. The two hard drives store different operating systems (for instance, in this realization they are used to store
Chinese Windows 95 and Japanese Windows 98) so that the computer 100 can be run respectively under these two different operating environments and thereby meet users'various needs.
'. j Although the first operating system hard drive 210 and second operating system hard drive 230 are peripheral devices of an identical type, model, and storage capacity in said embodiment, the invention is not limited to this type of said embodiment. If the first operating system hard drive 210 and second operating system hard drive 230 are different peripheral devices, then it will be necessary only to modify the hardware setting values in the computer's BIOS to insure that the computer 100 operates normally.
If the computer is booted up by using the first operating system hard drive 210, the Chinese version of the Windows 95 operating system will only be able to access data in the first operating system hard drive 210, the first data storage hard drive 220, the third data storage hard drive 410 and the CD-ROM drive 320, but not in the second operating system hard drive 230 and second data storage hard drive 310. Therefore the setting values and data files of the Japanese
Windows 98 operating system will not be affected.
On the other hand, if the second operating system hard drive 230 is used to boot the computer, the Japanese version of the Windows 98 operating system will only be able to access data in the second operating system hard drive 230, the second data storage hard drive 310, the third data storage hard drive 410 and the CD-ROM drive 320, but not in the first operating system hard drive 210 and first data storage hard drive 220. Therefore the setting values and data files belonging to Chinese Windows 95 will not be affected.
No matter whether the first operating system hard drive 210 or the second operating system hard drive 230 is used to boot the computer, in all cases the third data storage hard drive 410 can be used freely. Therefore, those data (such as graphics data, audio data, and animation files, etc.) used by different operating systems can be stored on the third hard drive 410.
In said embodiment, since different operating systems can be stored separately in different peripheral devices connected to different control interfaces, the operating systems and their setting values and data files are mutually independent and non-interfering. The computer's other hardware resources, such as the third data storage hard drive 410 and the CD-ROM drive 320, may be used freely.
Figure 4 represents still another embodiment of the present invention, in which a first peripheral control interface 120 is sequentially connected to a first data storage hard drive 220 and a first operating system hard drive 210. The
Chinese version of the Windows 95 operating system is stored in the first operating system hard drive 210. A second peripheral control interface 130 is connected to a second data storage hard drive 310. In addition, a third peripheral control interface 140 is sequentially connected to a CD-ROM drive 320 and a third data storage hard drive 410.
In said embodiment, a system selection switch 900 is located in a computer 100. The system selection switch 900 may be used to select cither the second peripheral control interface 130 or the third peripheral control interface 140 as the effective interface, which allows the peripheral devices connected to tha interface to be used by the computer. For example, if system selection switch 900 has been switched to select the second peripheral control interface 130 as the effective interface, the Chinese version of the Windows 95 operating system stored in the first operating system hard drive 210 will control the operation of the computer 100 after it is booted up; the peripheral devices that can be accessed by this operating system include the first data storage hard drive 220, the first operating system hard drive 210 and the second data storage hard drive 310.
If the system selection switch 900 has been switched to select the third peripheral control interface 140 as the effective interface, the Chinese version of the Windows 95 operating system stored in the first operating system hard drive 210 will control the operation of the computer 100 after it is booted up; the peripheral devices that can be accessed by this operating system include the first data storage hard drive 220, the first operating system hard drive 210, the CD
ROM drive 320 and the third data storage hard drive 410.
The operating system stored in the first operating system hard drive 210 in this embodiment may use different peripheral devices connected to different control interfaces as selected by the system selection switch 900. This arrangement could allow different users to separately store their personal data on mutually independent peripheral devices, avoiding interference caused by the mixing of different users'data on a single peripheral device.
-.
It can be discovered from the above embodiments that because multiple peripheral device control interfaces are installed within a single computer, and the system selection switch 900 can be used to select one of several specific peripheral device being used by the computer, and the computer can meet different users'needs by selecting specific combinations of devices. Thus the computer can be booted by using the operating system stored on a specific combination of devices, or the devices can provide the computer with stored data, allowing it to contain several operating systems and separately preserve the data used by each operating system.
It is to be understood that changes may be made to the invention in light of the above detailed description. Accordingly, the invention is not limited by the disclosure, but instead its scope is to be determined entirely by reference to the following claims.
Claims (8)
1. A computer with a system backup and multiple operating systems comprising:
a computer;
multiple peripheral storage devices being connected to said computer and separately storing at least two different operating systems;
a first peripheral control interface being connected to said computer at one terminal, and the other terminal thereof being connected to at least one peripheral storage device by means of a signal cable and/or a power cord;
at least one second peripheral control interface being connected to said computer at one terminal, and the other terminal thereof being connected to at least one peripheral storage device by means of a signal cable and/or power cord;
a system selection switch being installed between the first and second peripheral control interfaces and the peripheral storage devices, one terminal of said system selection switch being connected to one of said peripheral control interfaces by means of a signal cable and/or a power cord and the other terminal thereof being connected to multiple peripheral storage devices by means of signal cables and/or power cords allowing said computer to be connected via a peripheral control interface with a specific peripheral storage device by switching said system selection switch and to be booted by using one of several operating systems stored in said multiple peripheral storage devices.
2. The computer of claim 1 wherein said system selection switch may be installed within the case of the computer and connected with several peripheral control interfaces, and can be switched to select one of said peripheral control interfaces as an effective interface to connect various peripheral storage devices to said computer.
3. The computer of claim 1 or 2 wherein said peripheral storage devices may include hard disk drives.
4. The computer of claim 1 or 2 wherein said peripheral storage devices may include CD-ROM drives.
5. The computer of claim 1 or 2 wherein said peripheral storage devices may include devices of the same types and models.
6. The computer of claim 1 or 2 wherein said peripheral storage devices may include devices of different types and models.
7. The computer of claim 1 or 2 wherein said peripheral control interfaces may include IDE (Integrated Device Electronics) specification interfaces.
8. A computer substantially as herein described and with
reference to the accompanying drawings.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9902961A GB2346715A (en) | 1999-02-11 | 1999-02-11 | A computer with multiple operating systems |
| DE19905960A DE19905960A1 (en) | 1999-02-11 | 1999-02-12 | Computer with system back-up and multiple operating systems |
| JP11041662A JP2000242473A (en) | 1999-02-11 | 1999-02-19 | Computer |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9902961A GB2346715A (en) | 1999-02-11 | 1999-02-11 | A computer with multiple operating systems |
| DE19905960A DE19905960A1 (en) | 1999-02-11 | 1999-02-12 | Computer with system back-up and multiple operating systems |
| JP11041662A JP2000242473A (en) | 1999-02-11 | 1999-02-19 | Computer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB9902961D0 GB9902961D0 (en) | 1999-03-31 |
| GB2346715A true GB2346715A (en) | 2000-08-16 |
Family
ID=27218970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9902961A Withdrawn GB2346715A (en) | 1999-02-11 | 1999-02-11 | A computer with multiple operating systems |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2000242473A (en) |
| DE (1) | DE19905960A1 (en) |
| GB (1) | GB2346715A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002073406A2 (en) * | 2001-03-09 | 2002-09-19 | Hyperdrive Computers Limited | Computer system manager |
| WO2003005192A1 (en) * | 2001-07-04 | 2003-01-16 | Idékapital Ab | A system and a method for selecting a preconfigured operating system for a server |
| GB2388445A (en) * | 2002-01-23 | 2003-11-12 | Amin Hamad Alzuhair | Master/slave switching device |
| US6754818B1 (en) * | 2000-08-31 | 2004-06-22 | Sun Microsystems, Inc. | Method and system for bootstrapping from a different boot image when computer system is turned on or reset |
| SG138439A1 (en) * | 2003-04-02 | 2008-01-28 | Trek 2000 Int Ltd | Portable operating system and method to load the same |
| EP2169546A1 (en) * | 2008-09-25 | 2010-03-31 | The Bizser Co. Ltd. | Information processor, external memory and control method |
| EP2325746A1 (en) * | 2008-08-14 | 2011-05-25 | Junko Suginaka | Dual-boot control method and dual-boot computer |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100792786B1 (en) * | 2005-08-26 | 2008-01-14 | 이철호 | Method for os restoring of computer using backup image file |
| JP5040860B2 (en) * | 2008-08-28 | 2012-10-03 | 日本電気株式会社 | Authentication system, authentication control method, and authentication control program |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4626986A (en) * | 1980-12-29 | 1986-12-02 | Fujitsu Limited | Processor having plural initial loading programs for loading different operating systems |
| US5361358A (en) * | 1992-08-07 | 1994-11-01 | International Business Machines Corporation | System and method for installing program code for operation from multiple bootable operating systems |
| US5604890A (en) * | 1994-08-16 | 1997-02-18 | Miller; Paul B. | Coupling device for the switching of data lines between a data storage device controller and a plurality of bootable data storage devices |
-
1999
- 1999-02-11 GB GB9902961A patent/GB2346715A/en not_active Withdrawn
- 1999-02-12 DE DE19905960A patent/DE19905960A1/en not_active Withdrawn
- 1999-02-19 JP JP11041662A patent/JP2000242473A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4626986A (en) * | 1980-12-29 | 1986-12-02 | Fujitsu Limited | Processor having plural initial loading programs for loading different operating systems |
| US5361358A (en) * | 1992-08-07 | 1994-11-01 | International Business Machines Corporation | System and method for installing program code for operation from multiple bootable operating systems |
| US5604890A (en) * | 1994-08-16 | 1997-02-18 | Miller; Paul B. | Coupling device for the switching of data lines between a data storage device controller and a plurality of bootable data storage devices |
Non-Patent Citations (1)
| Title |
|---|
| WPI Abstract Accession No. 97-170284/16 and JP 09034695 A * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6754818B1 (en) * | 2000-08-31 | 2004-06-22 | Sun Microsystems, Inc. | Method and system for bootstrapping from a different boot image when computer system is turned on or reset |
| WO2002073406A2 (en) * | 2001-03-09 | 2002-09-19 | Hyperdrive Computers Limited | Computer system manager |
| WO2002073406A3 (en) * | 2001-03-09 | 2003-10-30 | Hyperdrive Computers Ltd | Computer system manager |
| GB2391092A (en) * | 2001-03-09 | 2004-01-28 | Hyperdrive Computers Ltd | Computer system manager |
| GB2391092B (en) * | 2001-03-09 | 2005-06-01 | Hyperdrive Computers Ltd | Computer system manager |
| WO2003005192A1 (en) * | 2001-07-04 | 2003-01-16 | Idékapital Ab | A system and a method for selecting a preconfigured operating system for a server |
| GB2388445A (en) * | 2002-01-23 | 2003-11-12 | Amin Hamad Alzuhair | Master/slave switching device |
| SG138439A1 (en) * | 2003-04-02 | 2008-01-28 | Trek 2000 Int Ltd | Portable operating system and method to load the same |
| EP2325746A1 (en) * | 2008-08-14 | 2011-05-25 | Junko Suginaka | Dual-boot control method and dual-boot computer |
| EP2325746A4 (en) * | 2008-08-14 | 2011-08-10 | Junko Suginaka | Dual-boot control method and dual-boot computer |
| EP2169546A1 (en) * | 2008-09-25 | 2010-03-31 | The Bizser Co. Ltd. | Information processor, external memory and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| GB9902961D0 (en) | 1999-03-31 |
| JP2000242473A (en) | 2000-09-08 |
| DE19905960A1 (en) | 2000-08-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |