RG82845M Intel, RG82845M Datasheet - Page 8

• Manufacturer Part Number: RG82845M
• Description: Chipset Memory Controller Hub Mobile
• Manufacturer: Intel

Intel
Tables
8
®
82845MP/82845MZ Chipset-Mobile (MCH-M)
Table 1. DDR Memory Capacity .............................................................................................. 16
Table 2. DDR Device Configurations ....................................................................................... 17
Table 3. MCH-M Clock Ratio Table ......................................................................................... 19
Table 4. Host Interface Signal Descriptions............................................................................. 21
Table 5. DDR Interface Signal Descriptions ............................................................................ 23
Table 6. Hub Interface Signal Descriptions.............................................................................. 24
Table 7. AGP Addressing Signal Descriptions......................................................................... 24
Table 8. AGP Flow Control Signal Descriptions....................................................................... 25
Table 9. AGP Status Signal Descriptions................................................................................. 25
Table 10. AGP Strobe Descriptions ......................................................................................... 26
Table 11. AGP/PCI Signal Semantics Descriptions................................................................. 27
Table 12. Clocks, Reset, and Miscellaneous Descriptions ...................................................... 30
Table 13. Voltage Reference Descriptions .............................................................................. 31
Table 14. Host Signals ............................................................................................................. 32
Table 15. DDR Signals............................................................................................................. 33
Table 16. AGP Signals............................................................................................................. 34
Table 17. Clock/Miscellaneous Signals ................................................................................... 35
Table 18. Hub Interface Signals............................................................................................... 35
Table 19. Device Number Assignment .................................................................................... 36
Table 20. Nomenclature for Access Attributes ........................................................................ 48
Table 21. MCH-M Configuration Space for Device #0............................................................. 49
Table 22. Control Signals for Various Memory Segments ....................................................... 65
Table 23. PAM Register Details ............................................................................................... 67
Table 24. Nomenclature for Access Attributes ........................................................................ 85
Table 25. MCH-M Configuration Space - Device #1................................................................ 85
Table 26. SMM Space............................................................................................................ 111
Table 27. Relation of DBI Bits to Data Bits ............................................................................ 114
Table 28. Data Bytes on SO-DIMM Used for Programming DRAM Registers ...................... 117
Table 29. AGP Commands Supported by the MCH-M When Acting as an AGP Target....... 118
Table 30. Fast Write Initialization........................................................................................... 120
Table 31. PCI Commands Supported by the MCH-M When Acting as a FRAME# Target ... 120
Table 32. Power Management State Combinations .............................................................. 123
Table 33. Intel 845MP/845MZ Power Transitions .................................................................. 124
Table 34. Absolute Maximum Ratings ................................................................................... 126
Table 35. Intel 845MP/845MZ Chipset MCH-M Package Thermal Resistance..................... 126
Table 36. Power Characteristics ............................................................................................ 127
Table 37. Signal Groups ........................................................................................................ 128
Table 38. DC Characteristics ................................................................................................. 130
Table 39. Top View (Left Side)............................................................................................... 133
Table 40. Top View (Right Side) ............................................................................................ 134
Table 41. FCBGA Handling Zone Description ....................................................................... 142
Table 42. XOR Chains ........................................................................................................... 144
Datasheet
250687-002
R