Appeal No. 2006-0637
Application 10/122,251
then the system information stored in non-volatile memory is
reloaded into the volatile memory.
Claims 1 and 6 are illustrative of the claimed invention,
and they read as follows:
1. A method for implementing a fault tolerant sleep mode of
operation comprising the steps of:
storing system state information and a value used to verify
integrity of said system state information in a volatile memory;
storing a copy of said system state information and said
value used to verify integrity of said system state information
in a non-volatile storage unit;
entering said sleep mode of operation;
receiving an indication to enter a normal mode of operation;
and
determining if integrity of said system state information
stored in said volatile memory is maintained, wherein if said
integrity of at least a portion of said system state information
in said volatile memory is not maintained then the method further
comprises the step of:
reloading at least said portion of said system state
information stored in said non-volatile storage unit into said
volatile memory.
6. A computer program product embodied in a machine
readable medium for implementing a fault tolerant sleep mode of
operation comprising the programming steps of:
storing system state information and a value used to verify
integrity of said system state information in a volatile memory;
2
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