0 power and thermal management, Power and thermal management – Intel D15343-003 User Manual

Page 147

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Power and Thermal Management

D15343-003

147

7.0

Power and Thermal Management

The Intel

®

82854 GMCH is intended to be compliant with the following specifications and

technologies:

APM Rev 1.2

PCI Power Management Rev 1.0

PC'99, Rev 1.0, PC'99A, and PC'01, Rev 1.0

ACPI 1.0b and 2.0 support

ACPI S0, S1-M, S3, S4, S5, C0, C1, C2, C3 states

Internal Graphics Adapter D0, D1, D3 (Hot/Cold)

On Die Thermal sensor, enabling core and system memory Write Thermal throttling for
prevention of catastrophic thermal conditions

External Thermal sensor input pin

Enabling DDR DIMM Thermal throttling

The GMCH also reduces I/O power dynamically, by disabling sense amps on input buffers, as
well as tristating output buffers when possible

Dynamic Clock Power Down reduces power in all modes of operation

System memory Self-Refresh in C3 state

The Intel

®

82854 GMCH reduces I/O power dynamically by disabling sense amps on the input

buffers, as well as tri-stating the output buffers when possible

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