Method to manage graphics address remap table (GART)...

Details Method to manage graphics address remap table (GART)... Method to manage graphics address remap table (GART)...

2005-03-10

2008-03-04

Nguyen, Phu K. (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics display memory system

Graphic display memory controller

C345S564000, C711S202000, C711S203000

Reexamination Certificate

active

07339591

ABSTRACT:
intercepted in order to determine if the modification will result in an aperture memory address mapping to a region of trusted memory. If it is determined that the GART modification will not result in a mapping to a portion of trusted memory, then the GART modification is allowed. If it is determined that the GART modification will result in a mapping to a portion of trusted memory, then the modification is not allowed and an alarm is raised in the system.

REFERENCES:
patent: 6457068 (2002-09-01), Nayyar et al.
patent: 6748512 (2004-06-01), Buch et al.
patent: 7009618 (2006-03-01), Brunner et al.
patent: 7139890 (2006-11-01), Moran et al.

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