Datasheet

37
2 Technical Reference
What This Chapter Contains
2.1 Introduction ..................................................................................................................37
2.2 Memory Map ................................................................................................................37
2.3 Fixed I/O Map...............................................................................................................38
2.4 DMA Channels.............................................................................................................39
2.5 PCI Configuration Space Map......................................................................................39
2.6 Interrupts......................................................................................................................40
2.7 PCI Conventional Interrupt Routing Map .....................................................................41
2.8 Connectors...................................................................................................................42
2.9 Jumper Block ...............................................................................................................52
2.10 Mechanical Considerations..........................................................................................53
2.11 Electrical Considerations..............................................................................................55
2.12 Thermal Considerations...............................................................................................57
2.13 Reliability......................................................................................................................59
2.14 Environmental ..............................................................................................................60
2.15 Regulatory Compliance................................................................................................61
2.1 Introduction
Sections 2.2 - 2.6 contain several standalone tables. Table 9 describes the system memory map,
Table 10 shows the I/O map, Table 11 lists the DMA channels, Table 12 defines the PCI
Conventional bus configuration space map, and Table 13 describes the interrupts. The remaining
sections in this chapter are introduced by text found with their respective section headings.
2.2 Memory Map
Table 9 lists the system memory map.
Table 9. System Memory Map
Address Range (decimal) Address Range (hex) Size Description
1024 K - 4194304 K 100000 - FFFFFFFF 4095 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