Acer TravelMate -550, Service Manual

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26 Chapter 1
Audio Interface
Item Specification
Audio Controller CS 4299
Audio onboard or optional Built-in
Mono or Stereo Stereo
Resolution 20 bit stereo Digital to analog converter
18 bit stereo Analog to Ditial converter
Compatibility Microsoft PC98/PC99, AC97 2.1
Mixed sound source Line-in, CD, Video, AUX
Voice channel 8/16-bit, mono/stereo
Sampling rate 44.1 KHz
Internal microphone No
Internal speaker / Quantity Yes
Supports PnP DMA channel DMA channel 0
DMA channel 1
Supports PnP IRQ IRQ3, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11
Video Interface
Item Specification
Chip vendor VIA
Chip name TWISTER-T
Chip voltage Core/3.3V
Supports ZV (Zoomed Video) port No
Video Resolutions Mode (for both LCD and CRT)
Resolution
8 bits
(256 colors)
16 bits
(High color)
24 bits
(True color)
32 bits
(True color)
640x480 Yes Yes Yes Yes
720x480 Yes Yes Yes Yes
800x600 Yes Yes Yes Yes
848x480 Yes Yes Yes Yes
1024x768 Yes Yes Yes Yes
1152x864 Yes Yes Yes Yes
1280x1024 Yes Yes Yes Yes
1400x1050 Yes Yes Yes Yes
1600x1200 Yes Yes Yes Yes
Parallel Port
Item Specification
Parallel port controller VT686B
Number of parallel port 1
Location Rear side
Connector type 25-pin D-type connector, in female type