Acer Aspire 5540 - Manual (Page 41)

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Power
subsystem • ACPI CPU power management standard: supports
Standby and Hibernation power-saving modes
• 42 W 3800 mAh Li-ion battery pack (6 cell) (for
selected models) and 54 W 4800 mAh Li-ion battery
pack (6 cell)
• Acer QuicCharge
™
technology:
• 80% charge in 1 hour
• 2-hour rapid charge system-off
• 2.5-hour charge-in-use
• 3-pin 90 W AC adapter
Input devices • 88-/89-key keyboard
• Touchpad with 4-way scroll button
• Four easy-launch buttons
• Two front-access switches: WLAN LED and
Bluetooth
® LED-switches (for selected models)
Audio
• Intel
®
High-Definition audio support
• S/PDIF (Sony/Philips Digital Interface) support for
digital sound systems
• Audio system with two built-in speakers
• MS Sound compatible
• Built-in microphone