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:
Feb. 06, 2001
Filed:
Dec. 30, 1998
Gregory M. Daughtry, Portland, OR (US);
Intel Corp., Santa Clara, CA (US);
Abstract
A system including a first graphics controller and an expansion slot for coupling a second graphics controller. The first graphics controller generates first graphic symbols based on data stored in the system memory in synchronism with clock signals received from a clock circuit. Similarly, the second graphics controller generates second graphic symbols based on data stored in the system memory in synchronism with clock signals received from the clock circuit. When the second graphics controller is not coupled to the expansion slot, the processor provides a graphics select signal. A clock steering circuit responds to the graphics select signal by applying the clock signals to the first graphics controller, while blocking the clock signals to the expansion slot. In the absence of the graphics select signal, the clock steering circuit applies the clock signals to the expansion slot for application to the second graphics controller, while blocking the clock signals to the first graphics controller.