Introduction
1.3.8
Power Management
GMCH Power Management support includes:
•
•
•
PC99 suspend to DRAM support (“STR”, mapped to ACPI state S3)
SMRAM space remapping to A0000h (128 KB)
Supports extended SMRAM space above 256 MB, additional 1-MB TSEG from the
Base of graphics stolen memory (BSM) when enabled, and cacheable (cacheability
controlled by processor)
•
•
•
•
ACPI Rev 1.0 compatible power management
Supports processor states: C0 and C1
Supports System states: S0, S1D, S3, S4, and S5
Supports processor Thermal Management 2 (TM2)
1.3.9
Thermal Sensor
GMCH Thermal Sensor support includes:
•
Catastrophic Trip Point support for emergency clock gating for the GMCH at
115 °C
•
Hot Trip Point support for SMI generation between 85 °C and 105 °C
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Datasheet
INTEL [ INTEL ]
