User manual TOSHIBA PORTEGE R100

[. . . ] Portégé® R100 Series User's Guide If you need assistance: Toshiba Global Support Centre Calling within the United States (800) 457-7777 Calling from outside the United States (949) 859-4273 For more information, see "If Something Goes Wrong" on page 173 in this guide. Handling the cord on this product will expose you to lead, a chemical known to the State of California to cause birth defects or other reproductive harm. Wash hands after handling. PMAD00022010 08/04 2 Models: Portégé R100 Series ReWritable CD/DVD Drives The computer system you purchased may include a ReWritable CD and/or DVD drive(s), among the most advanced data storage technologies available. As with any new technology, you must read and follow all set-up and usage instructions in the applicable user guides and/or manuals enclosed. [. . . ] HINT: Once the main battery is fully charged, we recommend you operate your computer on battery power until the main battery discharges completely. Doing this extends the life of the main battery and helps ensure accurate monitoring of battery capacity. The main battery may not start charging immediately if: Mobile Computing Charging batteries 111 TECHNICAL NOTE: When your computer is using all of the power provided by the AC Adaptor to run applications, features, and devices, the recharging of the battery can not occur. Your computer's Power Saver utility can be used to select a power level setting that reduces the power required for system operation and will allow the battery to recharge. Charging the RTC battery The RTC battery provides power for the internal real-time clock and calendar. During normal use, the main battery keeps the RTC battery adequately charged. Occasionally, the RTC battery may lose its charge completely, especially if you have had the computer turned off for a long time. TECHNICAL NOTE: It is seldom necessary to charge the RTC battery because it charges while the computer is on. If the RTC battery is low, the real-time clock and calendar become slow or stop working. When Hibernation mode is enabled and the RTC battery is completely discharged, a warning prompts you to reset the real-time clock. The RTC battery does not charge while the computer is turned off, even when AC power is attached. The RTC battery may have become completely discharged while your computer was shipped, resulting in the following error message during startup: BAD RTC BATTERY BAD CHECKSUM (CMOS) CHECK SYSTEM 112 NOTE Mobile Computing Charging batteries To recharge the RTC battery, connect the computer and leave it powered on for 24 hours. The above error message may vary by computer model. The RTC battery does not charge while the computer is turned off even when the AC adapter is charging the computer. If the RTC battery is low, the real-time clock and calendar may display the incorrect time and date, or stop working. NOTE It is seldom necessary to charge the RTC battery because it charges while the computer is on. If the RTC battery is low, the real-time clock and calendar may display the incorrect time and date or stop working. When Hibernation mode is enabled and the RTC battery is completely discharged, a warning prompts you to reset the real-time clock. The computer can be used while the RTC battery is being charged, although the charging status of the RTC battery cannot be monitored. The computer's RTC battery is a Lithium (Li) battery and should be replaced only by your dealer or by a Toshiba service representative. The battery can explode if not properly replaced, used, handled or disposed of. Dispose of the battery as required by local ordinances or regulations. The main battery light ( ) glows amber while the battery is being charged, and glows blue when it is fully charged. The battery may not start charging immediately under the following conditions: Mobile Computing Monitoring main battery power 113 The battery is extremely hot or cold. To ensure that the battery charges to its full capacity, wait until it reaches room temperature. The battery is almost completely discharged. Leave the power connected and the battery should begin charging after a few minutes. Using a battery charger You can purchase an optional battery charger that recharges Lithium-Ion Polymer (Li-Ion Polymer) battery packs without requiring the use of your computer. Use the battery charger to charge the optional high capacity battery and to charge spare main battery packs. Never leave batteries in the battery charger for more than a week at a time. Doing so may reduce the potential charge of the battery. Use only battery chargers designed to work with your notebook computer. You can order a Toshiba battery charger from Toshiba's Web site at accessories. toshiba. com. Monitoring main battery power The computer's main battery light gives you an indication of the main battery's current charge: No illumination means the main battery is not in use or the AC Adapter is not connected. [. . . ] To reset the computer by reloading the operating system without turning the computer off. RJ11 -- A modular connector used on most U. S. telephone systems and direct-connect modems. The RJ11 connector is a 6-wire connector. 234 Glossary ROM (read-only memory) -- Non-volatile memory that can be read but not written to. [. . . ]