1 Hardware Overview
1.10 Batteries
1-30
Satellite A20 Maintenance Manual (960-444)
1.10.4 RTC battery
The RTC battery provides power to keep the current date, time and other setup information
in memory while the computer is turned off. Table 1-10 lists the charging time and data
preservation period of the RTC battery. The adapter or main battery charges the RTC battery,
while the computer is powered on.
Table 1-10 RTC battery charging/data preservation time
Status Time
Charging Time (power on)
About 8 hours
Data preservation period (full charge)
1 month
Содержание Satellite A20 Series
Страница 6: ...vi Satellite A20 Maintenance Manual 960 444 ...
Страница 11: ...Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 ii Satellite A20 Maintenance Manual 960 444 ...
Страница 36: ......
Страница 45: ...Chapter 2 Troubleshooting Procedures ...
Страница 46: ...2 Troubleshooting Procedures 2 ii Satellite A20 Maintenance Manual 960 444 ...
Страница 50: ...2 Troubleshooting Procedures 2 vi Satellite A20 Maintenance Manual 960 444 ...
Страница 109: ...Chapter 3 Tests and Diagnostics ...
Страница 110: ...3 Tests and Diagnostics 3 ii Satellite A20 Maintenance Manual 960 444 ...
Страница 195: ...3 Tests and Diagnostics 3 26 SETUP 3 84 Satellite A20 Maintenance Manual 960 444 ...
Страница 196: ...Chapter 4 Replacement Procedures ...
Страница 197: ...4 Replacement Procedures 4 ii Satellite A20 Maintenance Manual 960 444 ...
Страница 205: ...4 Replacement Procedures 4 x Satellite A20 Maintenance Manual 960 444 ...
Страница 426: ...Appendices ...
Страница 427: ...Appendices App ii Satellite A20 Maintenance Manual 960 444 ...
Страница 439: ...Appendices Appendix A Handling the LCD module A 6 Satellite A20 Maintenance Manual 960 444 ...
Страница 473: ...Appendices Apx C Pin Assignments C 26 Satellite A20 Maintenance Manual 960 444 ...
Страница 487: ...Appendices Appendix E Key Layout E 6 Satellite A20 Maintenance Manual 960 444 ...
Страница 489: ...Appendices Appendix F Wiring Diagrams F 2 Satellite A20 Maintenance Manual 960 444 ...
Страница 491: ...Appendices Appendix G BIOS Rewrite Procedures G 2 Satellite A20 Maintenance Manual 960 444 ...
Страница 493: ...Appendices Appendix H EC KBC Rewrite Procedures H 2 Satellite A20 Maintenance Manual 960 444 ...
Страница 495: ...Appendices Appendix I Reliability I 2 Satellite A20 Maintenance Manual 960 444 ...