Technical Reference; Memory Map; System Memory Map; What This Chapter Contains - Intel BLKD865GSAL Technical Product Specification

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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)
1024 K - 2097152 K
960 K - 1024 K
896 K - 960 K
800 K - 896 K
640 K - 800 K
639 K - 640 K
512 K - 639 K
0 K - 512 K
Address Range (hex)
100000 - 7FFFFFFF
F0000 - FFFFF
E0000 - EFFFF
C8000 - DFFFF
A0000 - C7FFF
9FC00 - 9FFFF
80000 - 9FBFF
00000 - 7FFFF
Size Description
2047 MB Extended memory
64 KB Runtime BIOS
64 KB Reserved
96 KB Potential available high DOS memory
(open to the PCI bus). Dependent
on video adapter used.
160 KB Video memory and BIOS
1 KB Extended BIOS data (movable by
memory manager software)
127 KB Extended conventional memory
512 KB Conventional memory
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