https://community.intel.com/t5/Graphics/RTC-function/m-p/227592#M3219 <P>I read the datasheet of Cougar Point, it says that RTC has two functions:</P><P>1. keeping track of the time of day and storing system data, even when the system is powered down.</P><P>2. The RTC also supports two lockable memory ranges.</P><P>For item1, we all know that, for item2, I'm a little confused and I don't know what it means.</P><P>The RTC operates on a 32.768KHz crystal and a 3 V battery.</P><P>If RTC doesn't has 32.768KHz input to PCH, why will cause PCH no work?</P><P>thanks</P><P>Thanks</P><P>Tina</P> Thu, 02 Dec 2010 04:39:47 GMT idata 2010-12-02T04:39:47Z https://community.intel.com/t5/Graphics/RTC-function/m-p/227592#M3219 <P>I read the datasheet of Cougar Point, it says that RTC has two functions:</P><P>1. keeping track of the time of day and storing system data, even when the system is powered down.</P><P>2. The RTC also supports two lockable memory ranges.</P><P>For item1, we all know that, for item2, I'm a little confused and I don't know what it means.</P><P>The RTC operates on a 32.768KHz crystal and a 3 V battery.</P><P>If RTC doesn't has 32.768KHz input to PCH, why will cause PCH no work?</P><P>thanks</P><P>Thanks</P><P>Tina</P> Thu, 02 Dec 2010 04:39:47 GMT https://community.intel.com/t5/Graphics/RTC-function/m-p/227592#M3219 idata 2010-12-02T04:39:47Z