Datasheet

35
2 Technical Reference
What This Chapter Contains
2.1 Memory Map................................................................................... 35
2.2 Connectors and Headers................................................................... 36
2.3 Jumper Blocks................................................................................. 44
2.4 Mechanical Considerations ................................................................ 46
2.5 Electrical Considerations................................................................... 47
2.6 Thermal Considerations.................................................................... 49
2.7 Reliability ....................................................................................... 51
2.8 Environmental ................................................................................ 51
2.9 Regulatory Compliance..................................................................... 52
2.1 Memory Map
Table 9 lists the system memory map.
Table 9. System Memory Map
Address Range
(decimal)
Address Range
(hex) Size Description
1024 K - 1048576 K 100000 - FFFFFFFF 4095 MB Extended memory
960 K - 1024 K F0000 - FFFFF 64 KB Runtime BIOS
896 K - 960 K E8000 - EFFFF 32 KB Reserved
800 K - 896 K C8000 – E7FFF 128 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