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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