Acer Aspire 7720ZG Aspire 7720 Series User's Guide EN - Page 43

23 English Storage subsystem Audio Communication Dimensions and weight • One or two 80/120/160/200/240/250 GB or larger hard disk drives • Optical drive options: • HD-DVD drive (for selected models) • DVD-Super Multi double-layer drive (for selected models) • 5-in-1 card reader, supporting Secure Digital (SD), MultiMediaCard (MMC), Memory Stick® (MS), Memory Stick PRO™ (MS PRO), xD-Picture Card™ (xD) • Dolby®-certified surround sound system with two built-in stereo speakers (2 W) and one subwoofer supporting lowfrequency effects (for selected models) • Dolby® Home Theater audio enhancement featuring Dolby® Digital, Dolby® Digital Live, Dolby® PRO LOGIC® II, Dolby® Digital Stereo Creator, Dolby® Headphone and Dolby® Virtual Speaker technologies • Intel® High Definition Audio support • S/PDIF (Sony/Philips Digital Interface) support for digital speakers • MS-Sound compatible • Built-in microphone (for selected models) • Acer PureZone technology with two built-in stereo microphones featuring beam forming, echo cancellation, and noise-suppression technologies (for selected models) Acer Video Conference, featuring: • Integrated Acer Crystal Eye webcam, supporting Acer PrimaLite™ technology (for selected models) • Acer PureZone technology (for selected models) • Acer Xpress VoIP phone (for selected models) • WLAN: Intel® PRO/Wireless 3945ABG (dual-band tri-mode 802.11a/b/g),or 3945BG (dual-mode 802.11b/g) Wi-Fi CERTIFIED® network connection, supporting Acer SignalUp™ wireless technology (for selected models) or Acer InviLink™ 802.11b/g Wi-Fi CERTIFIED® solution, supporting Acer SignalUp™ wireless technology • WPAN: Bluetooth® 2.0+EDR (Enhanced Data Rate) (for selected models) • LAN: Gigabit Ethernet; Wake-on-LAN ready • Modem: 56K ITU V.92 with PTT approval; Wake-on-Ring ready • 404 (W) x 298 (D) x 38/43 (H) mm (15.9x11.7x 1.5/1.7 inches) • 3.62 kg (7.98 lbs.) with 8-cell battery • 3.36 kg (7.41 lbs.) with 6-cell battery