Method and apparatus for storing and displaying a power-on graphical image
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United States of America Patent
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Feb 4, 1997
Grant Date -
N/A
app pub date -
Aug 24, 1994
filing date -
Aug 24, 1994
priority date (Note) -
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status (Latency Note)
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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.
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Cited Art Landscape
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