DFI Q7A-551 - Manual (Page 21)

www.dfi .com Chapter 2 Hardware Installation
21
Chapter 2
Power Switch
Power
Switch
1
Power_Enable
GND
2
Power Switch
The power switch is used to power on or power off the system.
RTC Battery
The RTC Battery powers the real-time clock and CMOS memory. It is an auxiliary source of
power when the main power is shut off.
Safety Measures
• Danger of explosion if battery incorrectly replaced.
• Replace only with the same or equivalent type recommend by the manufacturer.
• Dispose of used batteries according to local ordinance .
RTC
Battery
1
+3.3V
GND
2
Connect to the battery connector
Battery