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:
Nov. 04, 1997
Filed:
May. 15, 1995
David S Rosenthal, Palo Alto, CA (US);
Curtis Priem, Fremont, CA (US);
NVidia Corporation, Sunnyvale, CA (US);
Abstract
Hardware input/output address translation apparatus adapted for use in a multitasking computer system including hardware responsive to commands from an unprivileged application program addressed to an input/output address for translating the input/output address to a physical address space of an input/output device and transferring the command to the physical address of an input/output device, hardware responsive to commands from an unprivileged application program addressed to an input/output address for selecting from safe translations of input/output addresses to physical address spaces of input/output devices for the first hardware means, and apparatus for handling a failure to provide an address translation.