Pentium
OverDrive
PROCESSOR WITH MMX
TECHNOLOGY
E
4
9/8/97 11:55 AM 29060701.DOC
PRELIMINARY
FIGURES
Figure 1. Pentium OverDrive Processor with
MMX Technology Block Diagram......6
Figure 2. Pentium OverDrive Processor with
MMX Technology Key Features........7
Figure 3. Pentium OverDrive Processor with
MMX Technology Upgrade Choices .7
Figure 4. Pentium OverDrive Processor with
MMX Technology Pinout—Top Side
View ......................................................9
Figure 5. Pentium OverDrive Processor with
MMX Technology Pinout—Pin Side
View ....................................................10
Figure 6. Pentium OverDrive Processor with
MMX Technology with Fan/Heatsink30
Figure 7. Clock Waveform..................................46
Figure 8. Valid Delay Timing ..............................46
Figure 9. Float Delay Timing ..............................47
Figure 10. Setup and Hold Timing......................47
Figure 11. Reset and Configuration Timing........48
Figure 12. Test Timing........................................49
Figure 13. Reset and Configuration Timing........50
Figure 14. Pentium OverDrive Processor with
MMX Technology Package
Dimensions .........................................52
Figure 15. Illustrates Physical Space
Requirements for the Pentium
OverDrive Processor with MMX
Technology..........................................53
Figure 16. Required Free Space from Sides of
SPGA Package...................................53
Figure 17. 320-Pin Socket 5...............................54
Figure 18. Pentium OverDrive Processor with
MMX Technology Pinout—Top Side
View ....................................................55
Figure 19. Pentium OverDrive Processor with
MMX Technology Pinout—Pin Side
View.....................................................56
TABLES
Table 1. 320-Pin SPGA Pin Cross Reference
by Pin Name.........................................11
Table 2. Quick Pin Reference .............................14
Table 3. Input Pins...............................................22
Table 4. Output Pins............................................24
Table 5. Input/Output Pins...................................25
Table 6. Interprocessor I/O Pins..........................25
Table 7. Pin Functional Grouping........................26
Table 8. Pin Functional Groupings Not Supported
by Pentium OverDrive Processor
with MMX Technology......................27
Table 9. Core/Bus Frequencies...........................27
Table 10. EAX Bit Values Definition for CPUID...29
Table 11. EAX Bit Values Definition for Processor
Type .....................................................29
Table 12. Absolute Maximum Ratings without
Fan/Heatsink........................................32
Table 13. Absolute Maximum Ratings for
Fan/Heatsink Only................................32
Table 14. 3.3V D.C. Specifications......................33
Table 15. 50-MHz Bus A.C. Specifications.........34
Table 16. 60-MHz Bus A.C. Specifications.........38
Table 17. 66-MHz Bus A.C. Specifications.........42
Table 18. Pentium OverDrive Processor
with MMX Technology Package
Summary..............................................50
Table 19. Package Dimensions...........................51
Table 20. Design Considerations ........................59