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AMD-761 Datasheet(PDF) 23 Page - Advanced Micro Devices

Part # AMD-761
Description  AMD-761-TM System Controller Software/BIOS Design Guide
PDF  264 Pages
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Manufacturer  AMD [Advanced Micro Devices]
Direct Link  http://www.amd.com
Logo AMD - Advanced Micro Devices

AMD-761 Datasheet(HTML) 23 Page - Advanced Micro Devices

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Chapter 2
AMD-761™ System Controller Programmer’s Interface
11
24081D—February 2002
AMD-761™ System Controller Software/BIOS Design Guide
Preliminary Information
For reference, the x86 view of memory from the perspective of
the AMD Athlon processor and the mapping to the Socket2000
memory map is shown in Figure 2.
Figure 2.
AMD Athlon™ Processor Family x86 Processor Address Mapping
x86 Memory Address Space
AGP Virtual
PCI Memory
Socket2000 Address Space
PCI Memory
PCI IACK/Special
PCI I/O
PCI Config
GART
DRAM
I/O Space
x86 In and Out Address Space
VGA
BIOS
DOS Memory
Extended
Memory
Reserved
Reserved
Note: Not to scale.
Reserved
TOM
CF8, CFC
(BAR0)
APIC Registers
640–1-Mbyte addresses are sent to PCI
or DRAM as a function of AMD AthlonTM
processor MSRs.



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