E
PENTIUM II PROCESSOR AT 233 MHZ, 266 MHZ, 300 MHZ, AND 333 MHZ
5
Figure 16. Low to High GTL+ Receiver Ringback
Tolerance............................................38
Figure 17. Non-GTL+ Overshoot/Undershoot and
Ringback.............................................40
Figure 18. Processor S.E.C. Cartridge Thermal
Plate....................................................42
Figure 19. Processor Thermal Plate Temperature
Measurement Location.......................44
Figure 20. Technique for Measuring TPLATE with
0° Angle Attachment...........................45
Figure 21. Technique for Measuring TPLATE with
90° Angle Attachment.........................45
Figure 22. Guideline Locations for Cover
Temperature (TCOVER)
Thermocouple Placement...................46
Figure 23. Processor with an Example Low
Profile Heatsink Attached using Spring
Clips....................................................46
Figure 24. Processor with an Example Full
Height Heatsink Attached using Spring
Clips....................................................47
Figure 25. Heatsink Recommendations and
Guidelines for Use with Rivscrews* ...48
Figure 26. Heatsink Rivscrew* and Thermal Plate
Recommendations and Guidelines.....48
Figure 27. General Rivscrew* Heatsink
Mechanical Recommendations ..........49
Figure 28. Heatsink Attachment Mechanism
Design Space .....................................50
Figure 29. S.E.C. Cartridge – Thermal Plate and
Cover Side Views...............................52
Figure 30. S.E.C. Cartridge Overall Cartridge
Dimensions.........................................53
Figure 32. S.E.C. Cartridge Thermal Plate and
Side View Dimensions........................55
Figure 33. S.E.C. Cartridge Thermal Plate
Flatness Dimensions..........................56
Figure 34. S.E.C. Cartridge Latch Details...........57
Figure 35. S.E.C. Cartridge Latch Arm,
Thermal Plate Lug, and Cover Lug
Dimensions.........................................58
Figure 36. S.E.C. Cartridge Mark Locations.......59
Figure 37. S.E.C. Cartridge Bottom Side View...60
Figure 38. S.E.C. Cartridge Substrate
Dimensions.........................................61
Figure 39. S.E.C. Cartridge Substrate
Dimensions, Cover Side View............61
Figure 40. Substrate – S.E.C. Cartridge Substrate
Detail A ...............................................62
Figure 41. Conceptual Boxed Pentium II
Processor in Retention Mechanism....73
Figure 42. Side View Space Requirements for the
Boxed Processor (fan heatsink
supports not shown) ...........................74
Figure 43. Front View Space Requirements for
the Boxed Processor..........................75
Figure 44. Top View Space Requirements for the
Boxed Processor................................75
Figure 45. Heatsink Support Hole Locations and
Sizes...................................................77
Figure 46. Side View Space Requirements for
Boxed Processor Fan/Heatsink
Supports..............................................78
Figure 47. Top View Space Requirements for
Boxed Processor Fan/Heatsink
Supports..............................................79
Figure 48. Boxed Processor Fan/Heatsink Power
Cable Connector Description..............80
Figure 49. Recommended Motherboard Power
Header Placement Relative to Fan
Power Connector and Slot 1...............81
Figure 50. PWRGOOD Relationship at
Power-On............................................89
TABLES
Table 1. Core Frequency to System Bus
Multiplier Configuration ........................14
Table 2. Voltage Identification Definition.............17
Table 3. Recommended Pull-Up Resistor
Values (Approximate) for CMOS
Signals .................................................18
Table 4. Pentium II Processor/Slot 1 System
Bus Signal Groups...............................19
Table 5. Pentium II Processor Absolute
Maximum Ratings................................21
Table 6. Pentium II Processor Voltage and
Current Specifications..........................22
Table 7. GTL+ Signal Groups DC
Specifications.......................................25
Table 8. Non-GTL+ Signal Groups DC
Specifications.......................................25
Table 9. Pentium II Processor GTL+ Bus
Specifications.......................................26