Technical Reference; Introduction; Memory Map; System Memory Map - Intel D850MVSE Specification

2 Technical Reference

What This Chapter Contains
2.1

Introduction.................................................................................................................47

2.2

Memory Map ..............................................................................................................47

2.3 I/O Map .....................................................................................................................48
2.4 DMA Channels ...........................................................................................................50
2.5 PCI Configuration Space Map ....................................................................................50
2.6 Interrupts ....................................................................................................................51
2.7 PCI Interrupt Routing Map ..........................................................................................51
2.8 Connectors .................................................................................................................53
2.9 Jumper Block..............................................................................................................74
2.10 Mechanical Considerations.........................................................................................76
2.11 Electrical Considerations ............................................................................................79
2.12 Thermal Considerations..............................................................................................82
2.13 Reliability ....................................................................................................................83
2.14 Environmental ............................................................................................................84
2.15 Regulatory Compliance ..............................................................................................85
2.1 Introduction
Sections 2.2–2.6 contain several stand-alone tables. Table 13 describes the system memory map,
Table 14 shows the I/O map, Table 15 lists the DMA channels, Table 16 defines the PCI
configuration space map, and Table 17 describes the interrupts.
2.2 Memory Map
Table 13.

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 Run-time BIOS
64 KB Reserved
96 KB Available high DOS memory (open
to the PCI bus)
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
47