2 technical reference, 1 introduction, 2 memory map – Premio Computer Apollo/Shadowhawk User Manual
Page 70: 2technical reference, What this chapter contains

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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 Blocks ........................................................................................................... 74
2.10 Mechanical Considerations........................................................................................ 76
2.11 Electrical Considerations ........................................................................................... 80
2.12 Thermal Considerations............................................................................................. 83
2.13 Reliability ................................................................................................................... 85
2.14 Environmental............................................................................................................ 85
2.15 Regulatory Compliance ............................................................................................. 86
2.1 Introduction
Sections 2.2 - 2.6 contain several standalone tables. Table 12 describes the system memory map,
Table 13 shows the I/O map, Table 14 lists the DMA channels, Table 15 defines the PCI
configuration space map, and Table 16 describes the interrupts. The remaining sections in this
chapter are introduced by text found with their respective section headings.
2.2 Memory Map
Table 12.
System Memory Map
Address Range (decimal)
Address Range (hex)
Size
Description
1024 K - 3145728 K
100000 - BFFFFFFF
3071 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