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Chapter 1
Motherboard Description
4 analog line-level stereo input with 5-bit volume control :
LINE_IN,CD.
Mono output with 5-bit volume control.
Stereo output with 5-bit volume control.
Power management.
3D Stereo Enhancement.
Line output with 50Mw/20ohm driving capability (ALC2001A).
External Amplifier power down capability.
Power Management
Supports both ACPI (Advanced and Configuration and Power
Interface) and legacy (APM) power management.
ACPI v1.0 Compliant.
APM v1.2 Compliant.
CPU clock throttling and clock stop control for complete ACPI C0 to
C3 state support.
PCI bus clock run, Power Management Enable (PME) control, and
PCI/CPU clock generator stop control.
Supports multiple system suspend types: power-on suspends with
flexible CPU/PCI bus reset options, and suspend to disk (soft-off), all
with hardware automatic wake-up.
Multiple suspend power plane controls and suspend status indicators.
One idle timer, one peripheral timer and one general purpose timer,
plus 24/32-bit ACPI compliant timer.
Normal, doze, sleep, suspend,and conserve modes.
Global and local device power control.
System event monitoring with two event classes.
Primary and secondary interrupt differentiation for individual
channels.
Dedicated input pins for power and sleep buttons, external modem ring
indicator, and notebook lid open/close for system wake-up.
Multiple internal and external SMI sources for flexible power
management models.
One programmable chip select and one microcontroller chip select.
Enhanced integrated real time clock (RTC) with date alarm, month
alarm, and century field.
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