Universal graphic adapter for interfacing with hardware and...

Details Universal graphic adapter for interfacing with hardware and... Universal graphic adapter for interfacing with hardware and...

2005-06-14

2005-06-14

Peyton, Tammara (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral adapting

C710S001000, C710S009000, C710S016000, C709S241000, C709S241000, C713S001000, C713S002000, C345S520000

Reexamination Certificate

active

06907482

ABSTRACT:
The subject invention relates to a Universal Graphics Adapter (UGA) that is a hardware-independent design that encapsulates and abstracts low-level graphics hardware in a standard manner through firmware. UGA is a firmware standard, intended to wrap existing or planned hardware, including VGA. UGA does not require the use of real-mode assembly language, direct hardware register, or frame buffer access to program, thus providing advantages over conventional systems. UGA supports basic drawing operations, continuous display modes, and power management. As a firmware-based standard, UGA facilitates updating a system to support both evolving and new hardware features.

REFERENCES:
patent: 5438663 (1995-08-01), Matsumoto et al.
patent: 6081891 (2000-06-01), Park
Linux-Kernel Archive: RE KDB in the mainstream 2.4x kernels?, Http://www.ussg.iu.edu/hypermail/linux/kernel/0309.0/0479.html.
EFI Universal Graphics Adapter (UGA), by Intel, Aug. 27-30, 2001, website: http://developer.intel.com/technology/efi/uga_idf_final_rev2.pdf.
European Search Report Dated Feb. 17, 2003 European Application Serial No. 02025052-8.
Microsoft Corp.: “Universal Graphics Adapter: Firmware Solution for Low-Level Graphics Support”, Jun. 2002, pp. 1-6.
Haakenson B: “Examining the VESA VBA 2.0 Specification Extending the VESA Standard” Dr. Dobbs Journal, vol. 20, Jul. 1995, pp. 80-83.
Thompson S: “VGA-Design Choices for a New Video Subsystem” vol. 27, 1988, pp. 185-197.

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