If you would like to play around with a circuit simulation tool here is a freeware tool by LinearTechnology to start with.
You may download the program from here.
It is easy to work with. Just enter your schematic, select the simulation type and see what signals you get on the different nodes. The following screen shots show some of the menues and a simulation of a colpitts oscillator.



The utility writes logs to C:\Windows\Temp\FJ_BIOS_Update.log containing each validation step with timestamps and error codes (e.g., 0x0000001C = ME region mismatch).
The utility checks if the new version is newer than the current one. Attempting to "downgrade" to an older BIOS (common in enterprise rollback scenarios) usually triggers an error. fujitsu bios update utility
Example Command: