Knowledge Base
At What Voltage Would the CMOS Battery Lose System Settings?
Published: February 27, 2008
Updated: August 2, 2011
Updated: August 2, 2011
Cause - Possible power outage or just usage over time
The CMOS battery will still perform its function successfully down to 2.6V. The cut-off electrical signal level for TTL/CMOS logic is 2.6V, defining the state as a 1, or HIGH state. Anything below that is a 0, or LOW state.
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