Toshiba User's Guide for Satellite L305/L305D Series
Page 108
... error message may have become completely discharged while your computer was shipped, resulting in a CMOS error message during startup. Charging the RTC battery Your computer has an internal real-time clock (RTC) battery. When fully charged, it charges while the computer is low, the real-time clock ...stop working . NOTE Depending on . NOTE It is seldom necessary to charge the RTC battery because it maintains this extends battery life and helps ensure accurate monitoring of battery capacity. The RTC battery powers the System Time Clock and BIOS memory used to reset the real-time clock....
... error message may have become completely discharged while your computer was shipped, resulting in a CMOS error message during startup. Charging the RTC battery Your computer has an internal real-time clock (RTC) battery. When fully charged, it charges while the computer is low, the real-time clock ...stop working . NOTE Depending on . NOTE It is seldom necessary to charge the RTC battery because it maintains this extends battery life and helps ensure accurate monitoring of battery capacity. The RTC battery powers the System Time Clock and BIOS memory used to reset the real-time clock....