Information processing apparatus, method of controlling the same, control program, and storage medium

• US 20040243734A1
• Filed: 05/14/2004
• Published: 12/02/2004
• Est. Priority Date: 05/26/2003
• Status: Abandoned Application

• Current Assignee: Canon Ayutthaya Limited (Canon Inc.)
• Original Assignee: Canon Ayutthaya Limited (Canon Inc.)
• Inventors: Kitagawa, Eiichirou, Watanabe, Kazunari
• Application Number:
  US10/846,446
• Publication Number:
  US 20040243734A1
• Time in Patent Office: Days
• US Class Current: 710/13
• CPC Class Codes: G06F 21/78 to assure secure storage of data address-based protection against unauthorised use of memory G06F12/14; record carriers for use with machines and with at least a part designed to carry digital markings G06K19/00

Abstract

An information processing apparatus which can improve security for a storage unit comprised of removable media or removable storage devices. The removable media or removable storage devices are attached to drive bays of the information processing apparatus. A first controller controls the operation of the information processing apparatus, and a second controller controls the operation of the drive bays. The first controller cooperates with the second controller.

Claims

1. An information processing apparatus comprising:

an attachment section to which a removable storage unit is attached;

a first controller that controls operation of the information processing apparatus; and

a second controller that controls operation of said attachment section;

wherein said first controller cooperates with said second controller.

2. An information processing apparatus according to claim 1, wherein said second controller shares predetermined information for managing status of said attachment section with said first controller.

3. An information processing apparatus according to claim 2, wherein said second controller shares the predetermined information with said first controller irrespective of operative status of said first controller.

4. An information processing apparatus according to claim 2, comprising information storage means for storing the predetermined information, and wherein the predetermined information is readable from said information storage means by said second controller and writable to said information storage means by said first controller.

5. An information processing apparatus according to claim 4, wherein:

said attachment section comprises at least one openable and closable cover member that covers the storage unit;

the information processing apparatus comprises electronic lock means for electronically locking and unlocking said cover member, and input means for inputting authentication information including a password for closing or opening said cover member;

said first controller writes the authentication information as the predetermined information to said information storage means;

said second controller comprises determining means for determining whether the input authentication information coincides with the predetermined information stored in said information storage means; and

said electronic lock means locks or unlocks said cover member when the authentication information coincides with the predetermined information.

6. An information processing apparatus according to claim 5, wherein said second controller comprises number-of-times determining means for determining whether a number of times said determining means has determined that the authentication information does not coincide with the predetermined information is greater than a predetermined number of times, and deleting means for deleting authentication information stored in said information storage means when the number of times said determining means has determined that the authentication information does not coincide with the predetermined information is greater than the predetermined number of times.

7. An information processing apparatus according to claim 6, wherein said first controller comprises reset means for resetting the authentication information deleted by said deleting means.

8. An information processing apparatus according to claim 1, comprising:

attachment/removal detecting means for detecting attachment and removal of the storage unit to and from said attachment section;

first power supply means for supplying power to said first controller;

second power supply means for supplying power to said second controller; and

history storage means operable when said attachment/removal detecting means detects attachment or removal of the storage unit to or from said attachment section, to store information indicative of the attachment or removal as history information, and

wherein said history storage means is operative even when power supply to said first controller by said first power supply means is off.

9. An information processing apparatus according to claim 8, comprising:

type detecting means for detecting a type of the storage unit attached to said attachment section by determining whether the storage unit is a system storage unit storing a system program for activating said first controller; and

wherein said history storage means is operable when said attachment/removal detecting means detects removal of the system storage unit from said attachment section, to store information indicative of the removal as history information.

10. An information processing apparatus according to claim 8, wherein:

said attachment section comprises a first attachment section for attaching exclusively a system storage unit storing a system program for activating said first controller, and a second attachment section for attaching exclusively a general-purpose storage unit;

said attachment/removal detecting means comprises first attachment/removal detecting means provided in said first attachment section, and second attachment/removal detecting means provided in said second attachment section; and

said history storage means is operable when said first attachment/removal detecting means detects removal of the system storage unit attached to said first attachment section, to store information indicative of the removal as history information.

11. An information processing apparatus according to claim 9, comprising display means for displaying information, and input means for externally inputting information;

and

wherein said second controller comprises power supply control means for controlling turning-on of power supply to said first controller, and removal determining means for determining whether removal history information indicative of removal of the system storage unit is included in the history information stored in said history storage means; and

wherein said second controller is operable when said removal determining means determines that the removal history information is included in the history information, to cause said display means to display a warning message before turning-on of power supply to said first controller, bring the information processing apparatus into a state waiting for external input of information to the effect that the warning message has been confirmed, and cause power supply to said first controller to be turned on after the external input of the information.

12. An information processing apparatus according to claim 9, wherein:

said history storage means is operable when said attachment/removal detecting means detects removal of a data storage unit used for data storage from said attachment section, to store information indicative of the removal as history information;

said second controller comprises history transmitting means operable when said first controller is activated, to transmit the history information stored in said history storage means while power supply to said first controller is off, to said first controller; and

said first controller comprises history receiving means for receiving the history information from said second controller after said first controller is activated in accordance with the system program read out from the system storage unit, and wherein said first controller is operable when removal history information indicative of removal of the data storage unit is included in the received history information, to inhibit connection of the data storage unit associated with the removal history information to the information processing apparatus.

13. A method of controlling an information processing apparatus including an attachment section to which a removable storage unit is attached, comprising:

a first control step of controlling operation of the information processing apparatus through a first controller; and

a second control step of controlling operation of the attachment section through a second controller;

wherein said first control step is executed in cooperation with said second control step.

14. A method of controlling the information processing apparatus according to claim 13, wherein said second control step shares predetermined information for managing status of the attachment section with said first control step.

15. A method of controlling the information processing apparatus according to claim 13, comprising:

an attachment/removal detecting step of detecting attachment and removal of the storage unit to and from the attachment section;

a first power supply step of supplying power to the first controller;

a second power supply step of supplying power to the second controller; and

a history storage step of storing information indicative of attachment or removal as history information in history storage means when the attachment or removal of the storage unit to or from the attachment section is detected in said attachment/removal detecting step, and

wherein the history storage means is operative even when power supply to the first controller executed in said first power supply step is off.

16. A control program for causing a computer to execute a method of controlling an information processing apparatus including an attachment section to which a removable storage unit is attached, comprising:

a first control module for controlling operation of the information processing apparatus through a first controller; and

a second control module for controlling operation of the attachment section through a second controller,

wherein said first control module cooperates with said second control module.

17. A control program according to claim 16, wherein said second control module shares predetermined information for managing status of the attachment section with said first control module.

18. A control program according to claim 16 comprising:

an attachment/removal detecting module for detecting attachment and removal of the storage unit to and from the attachment section;

a first power supply module for supplying power to said first controller;

a second power supply module for supplying power to said second controller; and

a history storage module operable when said attachment/removal detecting module detects attachment or removal of the storage section to or from the attachment section, to store information indicative of the attachment or removal as history information in history storage means, and

wherein the history storage module is operative even when power supply to said first controller by said first power supply module is off.