Method and apparatus for storing and displaying a power-on graph

Details Method and apparatus for storing and displaying a power-on graph Method and apparatus for storing and displaying a power-on graph

1994-08-24

1997-02-04

Nguyen, Phu K.

G06F 1500

Patent

active

056007663

ABSTRACT:
In a computer system including a video subsystem, a method for storing and displaying a power on graphical image, comprises the steps of: storing a compressed graphical image in a programmable read-only memory (PROM); initializing a power-on self test (POST); decompressing the compressed graphical image;loading the decompressed graphic image into a random access memory (RAM); and displaying the graphical image during the POST. Also in accordance with another aspect of the invention, a method for adding a user selected graphic image to a system ROM image, comprises the steps of: searching the Flash image file for the graphical image signature (GIS); locating the actual graphical image data with the graphical image header; reading the new graphical image data; overlaying the old graphical image data into a Flash image file; and recalculating the system ROM checksum.

REFERENCES:
patent: 5404429 (1995-04-01), Shirasaka
patent: 5428724 (1995-06-01), Silverbrook

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