Appeal No. 95-3648
Application 07/777,844
memory has a newer version of the firmware, and selecting which
of these two memories with the newer version of firmware as an
active memory for continued initialization of the whole data
processing system.
The following reference is relied on by the examiner:
Smith 5,129,080 July 7, 1992
(filed Oct. 17, 1990)
Claims 22 to 27 stand rejected under 35 U.S.C. § 103. As
evidence of obviousness, the examiner relies upon Smith alone.
OPINION
We reverse the outstanding rejection of claims 22 to 27
under 35 U.S.C. § 103.
Smith operates in a fault detection and recovery environment
by partitioning as much of the overall data processing system’s
software as possible into independent self-contained modules or
operational units. Each module is, in fact, two copies of the
software code and data space of the operational unit, where one
of the copies is called the Primary Address Space (PAS) and a
second copy called the Standby Address Space (SAS), the latter of
which runs on a separate processor as depicted in Figure 2C of
Smith. When a supervisory availability management function (AMF)
detects an error in or related to a PAS, the above-noted SAS
becomes functionally, the PAS. The examiner appears to consider
2
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