## Physical Device Driver Reference

[prev][next][parent][TOC]

### POWER_GETPOWERINFO (62h) - SubsysVersion

SubsysVersion SubsysVersion is a complex field composed of the following BYTE values:

The high BYTE contains the subsystem's major revision level value.

The low BYTE contains the subsystem's minor revision level value.

For the first release of the Power Management subsystem, the Major revision level value is 1, and the Minor revision level is 0.