Intel D945PLNM D945PLNM Technical Product Specification - Page 41

Technical Reference

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2 Technical Reference What This Chapter Contains 2.1 Memory Map ...41 2.2 Fixed I/O Map...42 2.3 DMA Channels ...43 2.4 PCI Configuration Space Map 43 2.5 Interrupts ...44 2.6 PCI Conventional Interrupt Routing Map 45 2.7 Connectors...46 2.8 Jumper Block ...56 2.9 Mechanical Considerations 57 2.10 Electrical Considerations 59 2.11 Thermal Considerations 61 2.12 Reliability...63 2.13 Environmental ...64 2.14 Regulatory Compliance 65 2.1 Memory Map Table 8 lists the system memory map. Table 8. System Memory Map Address Range (decimal) 1024 K - 2097152 K 960 K - 1024 K 896 K - 960 K 800 K - 896 K Address Range (hex) 100000 - 7FFFFFFF F0000 - FFFFF E0000 - EFFFF C8000 - DFFFF 640 K - 800 K 639 K - 640 K 512 K - 639 K 0 K - 512 K A0000 - C7FFF 9FC00 - 9FFFF 80000 - 9FBFF 00000 - 7FFFF Size 2047 MB 64 KB 64 KB 96 KB 160 KB 1 KB 127 KB 512 KB Description Extended memory Runtime BIOS Reserved Potential available high DOS memory (open to the PCI Conventional bus). Dependent on video adapter used. Video memory and BIOS Extended BIOS data (movable by memory manager software) Extended conventional memory Conventional memory 41

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41
2 Technical Reference
What This Chapter Contains
2.1
Memory Map
................................................................................................................
41
2.2
Fixed I/O Map
...............................................................................................................
42
2.3
DMA Channels
.............................................................................................................
43
2.4
PCI Configuration Space Map
......................................................................................
43
2.5
Interrupts
......................................................................................................................
44
2.6
PCI Conventional Interrupt Routing Map
.....................................................................
45
2.7
Connectors
...................................................................................................................
46
2.8
Jumper Block
...............................................................................................................
56
2.9
Mechanical Considerations
..........................................................................................
57
2.10
Electrical Considerations
..............................................................................................
59
2.11
Thermal Considerations
...............................................................................................
61
2.12
Reliability
......................................................................................................................
63
2.13
Environmental
..............................................................................................................
64
2.14
Regulatory Compliance
................................................................................................
65
2.1 Memory Map
Table 8 lists the system memory map.
Table 8.
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
Conventional 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