Intel D865GSA Product Specification - Page 47

Technical Reference

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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 47

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47
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
Description
1024 K - 2097152 K
100000 - 7FFFFFFF
2047 MB
Extended memory
960 K - 1024 K
F0000 - FFFFF
64 KB
Runtime BIOS
896 K - 960 K
E0000 - EFFFF
64 KB
Reserved
800 K - 896 K
C8000 - DFFFF
96 KB
Potential available high DOS memory
(open to the PCI bus).
Dependent
on video adapter used.
640 K - 800 K
A0000 - C7FFF
160 KB
Video memory and BIOS
639 K - 640 K
9FC00 - 9FFFF
1 KB
Extended BIOS data (movable by
memory manager software)
512 K - 639 K
80000 - 9FBFF
127 KB
Extended conventional memory
0 K - 512 K
00000 - 7FFFF
512 KB
Conventional memory