Acer TravelMate 270 TravelMate 270 Service Guide - Page 33

Audio Interface Item Audio Controller Audio onboard or optional Mono or Stereo Resolution Compatibility Mixed sound source Voice channel Sampling rate Internal microphone Internal speaker / Quantity Supports PnP DMA channel Supports PnP IRQ Specification Integrated Software Audio in SiS961 South Bridge with Realtek ALC202 AC97 Codec(No SPDIF) Built-in Stereo 20 bit stereo Digital to analog converter 18 bit stereo Analog to Ditial converter Microsoft PC98/PC99, AC97 2.1 Line-in, CD, Video, AUX 8/16-bit, mono/stereo 44.1 KHz No Yes/2 DMA channel 00 IRQ3, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11 Video Interface Item Chip vendor Chip name Chip voltage Supports ZV (Zoomed Video) port Specification SiS Integrated VGA chip in SiS650 North Birdge Core/3.3V No Video Resolutions Mode (for both LCD and CRT) Resolution 800x600 1024x768 1152x864 1280x1024 1400x1050 (SXGA+panel only) 16 bits (High color) Yes Yes Yes Yes Yes 32 bits (True color) Yes Yes Yes Yes Yes Parallel Port Item Parallel port controller Number of parallel port Location Connector type Parallel port function control Specification SMSC LPC47N227 1 Rear side 25-pin D-type connector, in female type Enable/Disable/Auto (BIOS or operating system chooses configuration) by BIOS Setup Note: Depending on your operating system, disabling an unused device may help free system resources for other devices. 28 Chapter 1