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Intel D850GB User Manual

Intel D850GB
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43
2 Technical Reference
What This Chapter Contains
2.1 Introduction.................................................................................................................43
2.2 Memory Map ..............................................................................................................43
2.3 I/O Map ......................................................................................................................44
2.4 DMA Channels ...........................................................................................................46
2.5 PCI Configuration Space Map ....................................................................................46
2.6 Interrupts....................................................................................................................47
2.7 PCI Interrupt Routing Map..........................................................................................47
2.8 Connectors.................................................................................................................49
2.9 Jumper Blocks............................................................................................................69
2.10 Mechanical Considerations.........................................................................................71
2.11 Electrical Considerations ............................................................................................73
2.12 Thermal Considerations..............................................................................................76
2.13 Reliability....................................................................................................................77
2.14 Environmental ............................................................................................................78
2.15 Regulatory Compliance ..............................................................................................79
2.1 Introduction
Sections 2.2 - 2.6 contain several standalone tables. Table 11 describes the system memory map,
Table 12 shows the I/O map, Table 13 lists the DMA channels, Table 14 defines the PCI
configuration space map, and Table 15 describes the interrupts. The remaining sections in this
chapter are introduced by text found with their respective section headings.
2.2 Memory Map
Table 11. 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 Available high DOS memory (open
to the PCI bus)
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

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Intel D850GB Specifications

General IconGeneral
BrandIntel
ModelD850GB
CategoryMotherboard
LanguageEnglish

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