I found EES:


http://www.gigabyte.com.tw/Support/M...lity_List.aspx

Easy Energy Saver

(Note) Support Intel GA-G31M-ES2L, GA-G31M-ES2C, GA-P31-ES3G, GA-P43-ES3G
and AMD Ultra Durable 3 series motherboards.
(Note) Please update to the latest BIOS version.
(Note) Before running the installation of EES, please make sure you have
installed ET6, instead of ET5 (Pro) previously utility.

O.S. : Windows® XP ,Windows® XP 64bit ,Windows Vista x86 (32-bit) ,Windows
Vista x64 (64-bit)
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I must have installed EES from the Gigabyte CD ?