Input Devices; Power Subsystem - Acer Aspire 4920 Service Manual

Acer PureZone technology with two built-in stereo microphones featuring beam forming, echo
cancellation, and noise suppression technologies

Input Devices

88-/89-/93-key keyboard, with inverted "T" cursor layout; 2.5 mm (minimum) key travel
Seamless touchpad with 4-way scroll button
12 function keys, four cursor keys, two Windows
international language support, independent US and Euro dollar sign keys
Empowering Key
Easy-launch buttons: WLAN, Internet, email, Bluetooth, Acer Arcade
Acer MediaTouch keys: play/pause, stop, previous, next and record keys
Acer Media Center remote control (optional)
Communication
Acer Video Conference featuring:
Integrated Acer CrystalEye webcam supporting enhanced Acer PrimaLite
Acer PureZone technology
Optional Acer Xpress VoIP phone
WLAN: Intel PRO/Wireless 3945ABG (dual-band tri-mode 802.11a/b/g), or 3945BG (dual-mode
802.11b/g) Wi-Fi CERTIFIED
WPAN: Bluetooth
LAN: Gigabit Ethernet; Wake-on-LAN ready
Modem: 56K ITU V.92 with PTT approval; Wake-on-Ring ready
I/O Interface
ExpressCard
5-in-1 card reader (SD
Four USB 2.0 ports
IEEE 1394 port
Consumer infrared (CIR) port
External display (VGA) port
S-video/TV-out (NTSC/PAL) port
Headphones/speaker/line-out port with S/PDIF support
Microphone-in jack
Line-in jack
Ethernet (RJ-45) port
Modem (RJ-11) port
DC-in jack for AC adapter

Power Subsystem

ACPI 3.0 CPU power management standard: supports Standby and Hibernation power-saving modes
53.3 W 4800 mAh Li-ion battery pack (6-cell) (for selected models) / 44.4 W 4000 mAh Li-ion battery
pack (6-cell)
(for selected models)
3-pin 65 W AC adapter (for selected models)
2
®
network connection, supporting Acer SignalUp
®
2.0+EDR (Enhanced Data Rate) (for selected models)
™
/54 slot
™
/MMC/MS/MS PRO/xD)
®
keys, hotkey controls, embedded numeric keypad,
™
™
technology
™
wireless technology
Chapter 1