Appeal No. 97-2472 Page 6
Application No. 08/223,770
controlling and configuring power control parameters, since
constraints on memory space could easily be overcome.” (Id.
at 5.)
In deciding that a novel combination would have been
obvious, there must be supporting teaching in the prior art.
In re Newell, 891 F.2d 899, 901, 13 USPQ2d 1248, 1250 (Fed.
Cir. 1989). In applying this precedent to the appellants’
invention, we agree with the appellants that the claimed
program register differs from the cited address control scheme
of Faucher. (Appeal Br. at 10.) Claim 15 specifies in
pertinent part “storing a value within a program register that
sets an address location of an index register ....” This is
neither taught nor suggested by Faucher.
The cited portions of the Faucher reference disclose an
address compare/bank select/remapping unit 58 within a memory
controller 20. The unit receives an address from a central
processing unit 12 or other component. It “performs an
address compare” to determine which of Faucher’s memory banks
30 corresponds to the address. Col. 5, ll. 48-51. The unit
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