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