Справочник Пользователя для Intel BLKDX79TO

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Intel Desktop Board DX79TO Product Guide 
30 
Battery 
A battery on the Desktop Board keeps the values in CMOS RAM and the clock current 
when the computer is turned off and disconnected from AC power.  Go to page 56 for 
instructions on how to replace the battery.  
Real-Time Clock 
The Desktop Board has a time-of-day clock and 100-year calendar.  The battery on the 
Desktop Board keeps the clock current when the computer is turned off.