Intel Q9400S Data Sheet - Page 4

5.2.3 On-Demand Mode 84 5.2.4 PROCHOT# Signal 85 5.2.5 THERMTRIP# Signal 85 5.3 Platform Environment Control Interface (PECI 86 5.3.1 Introduction 86 5.3.1.1 TCONTROL and TCC activation on PECI-Based Systems 86 5.3.2 PECI Specifications 87 5.3.2.1 PECI Device Address 87 5.3.2.2 PECI Command Support 87 5.3.2.3 PECI Fault Handling Requirements 87 5.3.2.4 PECI GetTemp0() Error Code Support 87 6 Features ...89 6.1 Power-On Configuration Options 89 6.2 Clock Control and Low Power States 89 6.2.1 Normal State 90 6.2.2 HALT and Extended HALT Powerdown States 90 6.2.2.1 HALT Powerdown State 90 6.2.2.2 Extended HALT Powerdown State 91 6.2.3 Stop Grant and Extended Stop Grant States 91 6.2.3.1 Stop-Grant State 91 6.2.3.2 Extended Stop Grant State 92 6.2.4 Extended HALT Snoop State, HALT Snoop State, Extended Stop Grant Snoop State, and Stop Grant Snoop State 92 6.2.4.1 HALT Snoop State, Stop Grant Snoop State 92 6.2.4.2 Extended HALT Snoop State, Extended Stop Grant Snoop State.......92 6.2.5 Sleep State 92 6.2.6 Deep Sleep State 93 6.2.7 Deeper Sleep State 93 6.2.8 Enhanced Intel SpeedStep® Technology 94 6.3 Processor Power Status Indicator (PSI) Signal 94 7 Boxed Processor Specifications 95 7.1 Introduction ...95 7.2 Mechanical Specifications 96 7.2.1 Boxed Processor Cooling Solution Dimensions 96 7.2.2 Boxed Processor Fan Heatsink Weight 97 7.2.3 Boxed Processor Retention Mechanism and Heatsink Attach Clip Assembly .....97 7.3 Electrical Requirements 97 7.3.1 Fan Heatsink Power Supply 97 7.4 Thermal Specifications 99 7.4.1 Boxed Processor Cooling Requirements 99 7.4.2 Variable Speed Fan 100 7.5 Boxed Intel® Core™2 Extreme Processor QX9650 Specifications 101 7.5.1 Boxed Intel® Core™2 Extreme Processor QX9650 Fan Heatsink Weight........ 102 8 Debug Tools Specifications 105 8.1 Logic Analyzer Interface (LAI 105 8.1.1 Mechanical Considerations 105 8.1.2 Electrical Considerations 105 4 Datasheet