Patent ID: 7403831

Claim:
A manufacturing apparatus which processes a lot in accordance with a content of a queue table in which information of a lot to be processed is reserved, said apparatus comprising: a volatile memory configured to store the queue table; a nonvolatile memory; a controller configured to store, in said nonvolatile memory, a content of the queue table stored in said volatile memory; and a display, wherein said controller is configured to (i) upon activation thereof, if a queue table is stored in said nonvolatile memory, cause said display to display a content of the queue table, (ii) if a first instruction to restore, in said volatile memory, information in the queue table displayed by said display is issued, generate a queue table in said volatile memory in accordance with the first instruction, and update the queue table in said nonvolatile memory in accordance with the first instruction, and (iii) if a second instruction to update information in the queue table is issued, update the queue table in said volatile memory and the queue table in said nonvolatile memory in accordance with the second instruction.