Appeal No. 94-3710
Application 07/777,608
associating a segment descriptor in the data cache with its
counterpart in the segment descriptor cache. Id. at 3, 5.
The examiner states that the association between two cache
memories is shown "in Woodward" (sic, Kaplinsky). Id. at 6.
The examiner further states that Kaplinsky's "presence bit
provides an indication of the presence of required data and a
corresponding association to a related cache area." Id.
(emphasis in original).
Contrary to the examiner's view, Kaplinsky does not
associate a segment descriptor in the data cache with its
counterpart in the segment descriptor cache, as recited in
step (f) of appellant's claim 1. The only reference Kaplinsky
makes to a segment descriptor cache is in describing the prior
art BELLMAC-32 memory management unit. See Kaplinsky, at col.
1, lines 45-48. Thus, it does not appear that the Kaplinsky
system even has a segment descriptor cache.
Moreover, while Kaplinsky contains presence bits which
are associated with entries in the cache, these presence bits
do not indicate that the entry in the data cache is associated
with an entry in another cache. Rather, as discussed below,
they merely
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