The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 17, 2011
Filed:
Feb. 19, 2009
Terunobu Hara, Ome, JP;
Ken Hatano, Hamura, JP;
Terunobu Hara, Ome, JP;
Ken Hatano, Hamura, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
According to one embodiment, an information processing apparatus includes a system memory, a device controller, a basic input/output system and a device driver. The device driver of the information processing apparatus forms its own data structure for communication control in the system memory separately from the basic input/output system, saves the address set in the register of the device controller when the device controller executes the communication with the various externally connected devices, sets an address for referring to the own data structure in the register of the device controller in order to make the device controller communicate with the various externally connected devices, and resets the saved address in the register of the device controller after the communication is completed.