Appendix C 119
Video Interface
Item Specification
Graphics controller ATI Mobility Radeon X2300 HD
Package Micro-FCBGA 465-pin
Video memory 256 MB
Memory bus width 128-bit
Memory type Graphics Double Data Rate 3 (GDDR3)
Compatibility TMicrosoft DirectX 9.0c
TPowerPlay 6.0
Audio Interface
Item Specification
Audio controller Realtek ALC883 Azalia
Amplifier G1431, G1 412, and G1442
Internal speakers TOne speaker grill with 2W L/R stereo speakers
TOne 2.5W subwoofer
Internal microphone Two built-in stereo microphones
Supported audio te chnologies TIntel HD Audio (integrated in the Intel ICH7-M)
TDolby SurroundSound
TDolby Home Th ea ter
TS/PDIF
TMS-Sound
USB Interface
Item Specification
USB controller Integrated in the Intel ICH7-M
USB specification 2.0
Number of USB port 4 (two each on the left and right sides)
Keyboard
Item Specification
Keyboard controller Winbond WPC8768L
Keyboard layout 88-/89-/93-key keyboard with international language
support
Features TEmbedded numeric keypad
TInverted "T" cursor keys, 12 function keys, Windows®
key, independent US and Euro dollar sign keys, and
hotkey controls
TAcer MediaTouch keys: play/pause, stop, previous,
next, and record keys
TEasy-launch keys: WLAN, Internet, email, Bluetooth,
Acer Empowering, and Acer Arcade
Simultaneously support for internal and
external keyboard Yes
Acer TM 4520 SG.book Page 119 Friday, June 22, 2007 5:43 PM