1.2 System Unit

1 Hardware Overview

Dual 12-bit or Single 24-bit configurable DVO ports for up-to 333Mpixels/sec transfer rates

Improved visual quality for all display planes (desktop or overlay) over all display devices (LCD, CRT, TV) – enabled by improved filtering, adaptive de- interlacing & per-pixel gamma-correction hardware circuitry

Full support for all Windows (ME, 2K, XP), MAC OSX & Linux operating systems

PowerMizer3.0 technology for further maximizing battery life, while minimizing performance compromises - through dynamic intelligent powering down of currently unused functional blocks

Advanced TSMC 0.15 micron with 8-layer metals process, for maximizing performance while minimizing power – a critical mobile combination

31x31mm, 701 EPBGA package

Audio subsystem

Cirrus logic ALC202 for AC97 codec

Ac 97 2.1 Compatible

20-bit Stereo Digital-to-Analog Converters.

18-bit Stereo Analog-to- Digital Converters.

Sample Rate Converters

Four Analog Line-level Stereo Inputs for LIN_IN,CD,VIDEO, and

AUX

Two Analog Line-level Mono Inputs for Modem and Internal PC Beep

Dual Stereo Line-level Outputs for LINE_OUT and ALT_LINE _OUT

Dual Microphone Inputs

High Quality Pseudo-Differential CD Input

Extensive Power Management Support

Meets or Exceeds the Microsoft® PC 99 Audio Performance Requirements

S/PDIF Digital Audio Output

CrystalClear ® 3D Stereo Enhancement

Super I/O

One LPC47N227 chip is used.

This gate array has the following features:

Floppy Disk Controller

Parallel Port Controller

Satellite P20-25 Series Maintenance Manual

1-7

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Toshiba P25 manual Aux