Chapter 1 Hardware Overview
Satellite U400/Satellite Pro U400/PORTEGE M800
Maintenance Manual 25
1.8.3
RTC Battery
The RTC battery provides the power supply to maintain the date, time, and other system
information in memory.
Table 1-14 lists the Time required for charges of RTC battery and data preservation time.
Table 1-14 Time required for charges of RTC battery
Condition Time
Power ON (Lights Power LED)
About 24 hours
Data preservation tome (Full-charged)
About a month
Содержание Satellite Pro U400 Series
Страница 12: ...Satellite U400 Satellite Pro U400 PORTEGE M800 Maintenance Manual 1 1 Chapter 1 Hardware Overview ...
Страница 15: ...Chapter 1 Hardware Overview 1 2 Satellite U400 Satellite Pro U400 PORTEGE M800 Maintenance Manual ...
Страница 42: ...Satellite U400 Satellite Pro U400 PORTEGE M800 Maintenance Manual 2 1 Chapter 2 Troubleshooting Procedures ...
Страница 110: ...Test Program for Field Satellite U400 and Satellite Pro U400 Tests and Diagnostics Manual 17 ...
Страница 165: ...Satellite U400 Satellite Pro U400 PORTEGE M800 Maintenance Manual 4 i Chapter 4 Replacement Procedures ...
Страница 168: ...Replacement Procedures Satellite U400 Satellite Pro U400 PORTEGE M800 Maintenance Manual 4 iv ...
Страница 276: ...Pin Assignment 36 Satellite U400 Satellite Pro U400 PORTEGE M800 Maintenance Manual ...
Страница 302: ...Wiring Diagrams F 2 Satellite U400 Satellite Pro U400 PORTEGE M800 Maintenance Manual ...