82443GX Datasheet, PDF (9/128 Pages) Intel Corporation – Intel 440GX AGPset: 82443GX Host Bridge/Controller

Tables
2-1
2-2
2-3
2-4
2-5
2-6
2-7
2-8
2-9
2-10
3-1
3-2
3-3
3-4
4-1
4-2
4-3
4-4
4-5
4-6
4-7
4-8
4-9
4-10
4-11
4-12
4-13
4-14
4-15
5-1
5-2
Host Interface Signals...................................................................................2-1
Host Signals Not supported by the 82443GX ...............................................2-3
DRAM Interface Signals................................................................................2-3
Primary PCI Interface Signals.......................................................................2-4
Primary PCI Sideband Interface Signals.......................................................2-6
AGP Interface Signals...................................................................................2-6
Clocks, Reset, and Miscellaneous ................................................................2-8
Power Management Interface.......................................................................2-9
Reference Pins .............................................................................................2-9
Strapping Options .......................................................................................2-10
82443GX Register Map — Device 0.............................................................3-8
Attribute Bit Assignment..............................................................................3-20
PAM Registers and Associated Memory Segments ...................................3-21
82443GX Configuration Space—Device 1..................................................3-46
Memory Segments and their Attributes.........................................................4-3
SMRAM Decoding ........................................................................................4-7
SMRAM Range Decode................................................................................4-7
SMRAM Decode Control...............................................................................4-7
Host Bus Transactions Supported By 82443GX.........................................4-11
Host Responses supported by the 82443GX..............................................4-12
Host Special Cycles with 82443GX ............................................................4-12
Data Bytes on DIMM Used for Programming DRAM Registers..................4-16
Supported Memory Configurations .............................................................4-18
MA Muxing vs. DRAM Address Split...........................................................4-18
Programmable SDRAM Timing Parameters ...............................................4-19
Low Power Mode ........................................................................................4-25
AGPset Reset .............................................................................................4-26
Reset Signals..............................................................................................4-26
Suspend / Resume Events and Activities ...................................................4-28
82443GX Alphabetical BGA Pin List.............................................................5-4
82443GX Package Dimensions (492 BGA) ..................................................5-9
82443GX Host Bridge Datasheet
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