Possible values of an option:
The option description:
Gives the chance to involve high-precision timer HPET (High Precision Event Timer) instead of a standard real time clock. Primary benefit from it is received by multimedia applications and the programs processing the arriving data in real time. A software support of this timer appeared in Windows Vista, more раннние Windows versions are not capable to work correctly with the given device. So, if at you it is installed Windows Vista, there is a sense to include this option ([Enabled]), in all remaining cases it should be ungeared ([Disabled]).
Other options identical to destination: