82443MX Datasheet, PDF (9/173 Pages) Intel Corporation – PCIset

82443MX PCIset
List of Figures
PAGE
Figure 1. 82440MX Platform Block Diagram..................................................................................................... 5
Figure 2. Platform Power Rails ....................................................................................................................... 26
Figure 3. Memory Address Map ..................................................................................................................... 41
Figure 4. PCI Configuration Space Block Diagram ......................................................................................... 52
Figure 5. Coprocessor Error Timing Diagram ................................................................................................. 58
Figure 6. DIMM Configuration with FET Switches........................................................................................... 61
Figure 7. SMRAM Mapping ............................................................................................................................ 76
Figure 8. AC’97 Controller Connection to its Companion Codec..................................................................... 79
Figure 9. 440MX-based AC’97 Audio System................................................................................................. 79
Figure 10. AC’97 Standard Bi-directional Audio Frame................................................................................... 82
Figure 11. 440MX PCI Bus Topology ............................................................................................................. 83
Figure 12. Internal DMA Controller ................................................................................................................. 90
Figure 13. X-Bus Arbiter with DMA in Fixed Priority (2-way rotation) .............................................................. 93
Figure 14. X-Bus Arbiter with DMA in Rotating Priority ................................................................................... 94
Figure 15. DMA Serial Channel Passing Protocol........................................................................................... 99
Figure 16. Interrupt Controller Block Diagram............................................................................................... 117
Figure 17. Initialization Sequence for the 440MX ICW Modes of Operation.................................................. 122
Figure 18. Automatic Rotation Mode Example.............................................................................................. 124
Figure 19. Polled Mode ................................................................................................................................ 125
Figure 20. Section of Interrupt Steering Logic (without Serial IRQ) ............................................................... 129
Figure 21. USB System Conceptual View..................................................................................................... 133
Figure 22. Enhanced IDE Timing Mode Components ................................................................................... 137
Figure 23. Inserting Wait States by De-asserting PIORDY ........................................................................... 137
Figure 24. Physical Region Descriptor Table Entry....................................................................................... 140
Figure 25. ISA 8-bit I/O Cycles ..................................................................................................................... 144
Figure 26. 440MX SMBus Interfaces ............................................................................................................ 146
Figure 27. System Clocking.......................................................................................................................... 148
Figure 28. 82440MX Pinout (Top Side View) ................................................................................................ 150
Figure 29. 82440MX Pinout (Pin Side View)................................................................................................. 151
Figure 30. 82440MX BGA Package Dimensions (Top and Side View) ......................................................... 152
Figure 31. 82440MX BGA Package Dimensions (Bottom View) ................................................................... 153
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