EPX-C414/Configuration
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Page 14
7.5 DOS Legacy Memory Map
Table 10:
External Devices
Bus
Device Function
Device ID
Device/Function Description
3
0
0
104Ch
Device: 8240
Function: PCI/PCI bridge
5
0
0
12D8h
Device: 2304
Function: PCI/PCI bridge
6
1
0
12D8h
Device: 2304
Function: PCI/PCI bridge
6
2
0
12D8h
Device: 2304
Function: PCI/PCI bridge
7
0
0 8086h
Device:
8086
Function: Intel Ethernet controller
8
0
0 8086h
Device:
8086
Function: Intel Ethernet controller
Table 11:
HEX Ranges
HEX Range
Usage
0000:0000-0009:FFFF
Main memory (DOS area)
000A:0000-000B:FFFF
Legacy video area (SMM memory)
000C:0000-000D:FFFF
Expansion area
000E:0000-000E:FFFF
Extended system BIOS (lower)
000F:0000-000F:FFFF
System BIOS (upper)
0010:0000-TOM (top of memory)
Main memory
FEC0:0000-FEC7:FFFF
I/O APIC
FED0:x000-FED0:x3FF
High-precision event timers
