D865GSA Datasheet, PDF (47/94 Pages) Intel Corporation – Technical Product Specification

2 Technical Reference
What This Chapter Contains
2.1 Memory Map ..............................................................................................47
2.2 Fixed I/O Map ............................................................................................48
2.3 PCI Configuration Space Map .......................................................................49
2.4 Interrupts..................................................................................................50
2.5 DMA Channels............................................................................................51
2.6 PCI Interrupt Routing Map ...........................................................................51
2.7 Connectors ................................................................................................52
2.8 Jumper Block .............................................................................................61
2.9 Mechanical Considerations ...........................................................................62
2.10 Electrical Considerations ..............................................................................64
2.11 Thermal Considerations ...............................................................................66
2.12 Reliability ..................................................................................................68
2.13 Environmental............................................................................................69
2.14 Regulatory Compliance................................................................................70
2.1 Memory Map
Table 15 lists the system memory map.
Table 15. System Memory Map
Address Range
(decimal)
Address Range (hex)
Size
1024 K - 2097152 K
100000 - 7FFFFFFF
2047 MB
960 K - 1024 K
F0000 - FFFFF
64 KB
896 K - 960 K
E0000 - EFFFF
64 KB
800 K - 896 K
C8000 - DFFFF
96 KB
640 K - 800 K
639 K - 640 K
512 K - 639 K
0 K - 512 K
A0000 - C7FFF
9FC00 - 9FFFF
80000 - 9FBFF
00000 - 7FFFF
160 KB
1 KB
127 KB
512 KB
Description
Extended memory
Runtime BIOS
Reserved
Potential available high DOS memory
(open to the PCI bus). Dependent
on video adapter used.
Video memory and BIOS
Extended BIOS data (movable by
memory manager software)
Extended conventional memory
Conventional memory
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