82443BX Datasheet, PDF (8/132 Pages) Intel Corporation – Host Bridge/Controller

5
Figures
4.8.6 SMRAM .........................................................................................4-36
Pinout and Package Information................................................................................5-1
5.1 82443BX Pinout............................................................................................5-1
5.2 Package Dimensions ....................................................................................5-8
1-1
Intel^® 440BX AGPset System Block Diagram .............................................1-2
3-1 82443BX PCI Bus Hierarchy ........................................................................3-5
3-2 SDRAM DIMMs and Corresponding DRB Registers ..................................3-23
4-1 Memory System Address Space ..................................................................4-2
4-2 Four-DIMM Configuration with FET switches .............................................4-16
4-3 Three-DIMM SDRAM Configuration ...........................................................4-17
4-4 Three-SODIMMs EDO Configuration .........................................................4-18
4-5 Three-SODIMMs SDRAM Configuration ....................................................4-19
4-6 Typical Intel^® 440BX AGPset System Clocking..........................................4-28
4-7 Reset CPURST# in a Desktop or Mobile System When
PCIRST# Asserted .....................................................................................4-33
4-8 External Glue Logic Drives CPU Clock Ratio Straps ..................................4-34
5-1 82443BX Pinout (Top View–left side) ...........................................................5-2
5-2 82443BX Pinout (Top View–right side) .........................................................5-3
5-3 82443BX BGA Package Dimensions—Top and Side Views ........................5-8
5-4 82443BX BGA Package Dimensions—Bottom Views ..................................5-9
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82443BX Host Bridge Datasheet