Acer TravelMate 8481T Acer TravelMate 8481, 8481T, 8481TG Notebook Service Gui - Page 44

Mini Card Item Number supported Features Specification 2  1 slot for WLAN (PCIE + USB interface)  1 slot for mSATA (SATA) (Regarding 3G support, it is TBD.) 3G Card (N/A) Features Item Specification Audio Codec and Amplifier Item Audio Controller Features Amplifier Features Specification Realtek ALC271-X  4-channel DAC supports 16/20/24-bit PCM format for independent two stereo channel or 2.1 audio playback  4-channel ADC supports 16/20/24-bit PCM format for independent two stereo channel audio inputs  All DACs /ADCs supports 44.1k/48k/96k/192kHz sample rate  S/PDIF-OUT support 16/20/24-bit format and 44.1/48/88.2/96/192kHz rate  Supports MONO line level output  Supports external PCBEEP input and built-in digital BEEP generator  Software selectable 2.5V/3.2V VREFOUT as bias voltage for analog microphone input  Programmable +12/+24/+36dB boost gain for analog microphone input  Supports stereo digital microphone input  Programmable boost gain and volume control for digital microphone input  Built-in headphone amplifiers for port-C (LINE1) and port-I (HP OUT)  Headphone amplifier for port-I does not require DC blocking capacitors  Two jack detection pins each designed to detect up to 4 jacks, and S/PDIF-OUT jack detection is supported  2 GPIOs are supported for customized applications (pin shared with digital microphone interface)  EAPD (External Amplifier Power Down) is supported  Supports Anti-pop mode when analog power AVDD is on and digital power is off N/A (Codec IC support Class D Amplifier) N/A 1-34