Asus S82A S86A S82/S86 User Manual (English version) - Page 54
Using Battery Power
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4. Using the Notebook PC Using Battery Power A fully-charged Li-Ion battery pack provides the system approximately 2.5 to 3 hours of working power. But the actual figure varies depending on how you use the power saving features, your general work habits, the CPU, main memory size, and the size of the display panel. The "Battery Warning" beeps are automatically enabled in Windows 98/ME and continually sounds when down to 10% (configurable in Windows 98/ME) power. The processor is also throttled down to decrease power use. In DOS, POWER.EXE must be enabled to use the Low Battery Warning Beep function in DOS. In Windows 3.1, W31-APM must be enabled to use the battery warning beep feature. POWER.EXE must be loaded via a DEVICE= line in CONFIG.SYS to report the status of the battery while using DOS or Windows 3.x. POWER.EXE is not necessary when running Windows 95/98. For additional information, see your DOS and Windows 3.1 User's Manuals for details. "Low Battery" condition (3% or less) forces the Notebook PC to enter suspend mode, regardless of power management settings but the threshold is configurable in Windows 98/ME. NOTE: Battery Warning and Battery Low conditions immediately stops upon application of the power adapter. Checking Battery Power To check the remaining battery power, move your cursor over the power icon. The power icon is a "battery" when not using AC power and a "plug" when using AC power. Double click on the icon for more information and settings. Power icon using battery. Power icon using AC power. The charging (lightning) icon appears over the "plug" icon if the battery is not fully charged. When fully charged, only the "plug" icon will remain. NOTE: If you ignore the low battery warning, eventually the Notebook PC enters suspend mode (either Save-to-Disk or Save-to-RAM depending on BIOS setup). WARNING! Save-to-RAM does not last long when the battery power is depleted. 54