Appeal No. 2003-0357
Application 09/123,307
corresponding to a first state or a second state selected by the
video output controller” [Final Rejection, December 13, 2000,
incorporated into answer at page 3]. The examiner cites Basic PC
97 as teaching a computer system which has a display device
having a clean mode or a verbose mode during system startup. The
examiner finds that it would have been obvious to the artisan to
utilize the system startup instructions as taught by Basic PC 97
in Engstrom and making use of Engstrom’s two buffers.
Appellants argue, inter alia, that Engstrom’s system is
directed to application programs and not to startup instructions
or system startup code. Appellants also argue that the two
buffer system of Engstrom does not meet the claimed invention
because the front buffer in Engstrom is always used to display
the current image. Appellants note that Engstrom specifically
teaches away from the double buffering technique. Appellants
argue that there is no need to determine whether the video output
device is in the clean mode or the verbose mode in Basic PC 97
because Basic PC 97 only has one mode. Appellants assert that
there is no motivation to combine the power-on self-test approach
of Basic PC 97 with the software application approach of Engstrom
because Engstrom teaches away from double buffering and Basic PC
97 has only one mode of display. Finally, appellants argue that
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