Appeal No. 1999-0246
Application 08/641,629
A key interface menu, which allows one to change the
electronic key, is presented at under either of the following
sets of circumstances:
(1) The physical key is in the normal/run position and
the electronic key is in the secure position; or
(2) The physical key and the electronic key are both in
the normal/run position and a failure is encountered while
executing a built-in self test, power-on self test, or quick
confidence test. (Specification at 11.)
All maintenance, either local or remote, is permitted
only in the service position of either the physical key or the
electronic key (Specification at 17).
B. The claims
Claim 1, which is representative, reads as follows:
1. A data processing system comprising:
a processor,
a memory, wherein the memory includes a physical key
memory location for storing a representation of a physical key
having three positions corresponding to a normal/run mode, a
secure mode, and a service mode and an electronic key memory
location for storing a representation of an electronic key
having three positions corresponding to said normal/run,
secure, and service modes,
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