Per this suggestion in the official Steam forums,
http://forums.steampowered.com/forums/showthread.php?t=1014255
The Steam client isn't written to be aware of power-management - although it
would be easy for Valve to add, they don't appear to be investing much in the
Windows Steam client. Given the bandwidth measurement system implied by Issue
13, it should be possible for the monitor to call SetThreadState() on Steam's
behalf.
Original issue reported on code.google.com by nigel.bree@gmail.com on 28 Dec 2011 at 4:46
Original issue reported on code.google.com by
nigel.bree@gmail.com
on 28 Dec 2011 at 4:46