Acer Aspire 4540 Series - Dimensions and Weight; Power Subsystem; Privacy Control; Special Keys and Controls

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• True 5.1-channel surround sound output
• High-definition audio support
• S/PDIF (Sony/Philips Digital Interface) support for digital speakers
• Acer PureZone technology with two built-in stereo microphones
• MS-Sound compatible
Communication
• Acer Video Conference, featuring:
• Integrated Acer Crystal Eye webcam*
• Acer PureZone technology
• WLAN:
• Acer InviLink™ Nplify™ 802.11b/g/Draft-N*
• Acer InviLink™ 802.11b/g*
• WPAN: Bluetooth® 2.0+Enhanced Data Rate (EDR)*
• LAN: Gigabit Ethernet; Wake-on-LAN ready
• Modem: 56K ITU V.92; Wake-on-Ring ready
Dimensions and Weight
• 342 (W) x 239 (D) x 23/38.6 (H) mm (13.4 x 9.4 x 0.9/1.5 inches)
• 2.3 kg (5.07 lbs.) with 6-cell battery pack
Privacy control
• Acer Bio-Protection fingerprint solution*
• BIOS user, supervisor, HDD passwords
• Kensington lock slot
Power subsystem
• ACPI 3.0
• 48.8 W 4400 mAh
• 3-pin 65 W AC adapter*
• 3-pin 90 W AC adapter*
• ENERGY STAR®*
Special keys and controls
• 86-/87-/91-key keyboard
• Touchpad pointing device
I/O interface
• Acer Bio-Protection fingerprint reader
• 5-in-1 card reader (SD/MMC/MS/MS PRO/xD)
• USB 2.0 ports•HDMI™ port with HDCP support
• External display (VGA) port
• Headphones/speaker/line-out jack with S/PDIF support
• Microphone-in jack
• Line-in jack
• Ethernet (RJ-45) port