ADLINK AmITX-IB-I - Manual (Page 73)

System Resources 61
AmITX-IB-I
Appendix B - System Resources
B.1 System Memory Map
Table B-1: System Memory Map
B.2 Direct Memory Access Channels
Table B-2: Direct Memory Access Channels
Address Range
(decimal)
Address Range
(hex)
Size Description
(4GB-2MB)
FFE00000 –
FFFFFFFF
2 MB High BIOS Area
(4GB-18MB) –
(4GB-17MB-1)
FEE00000 –
FEEFFFFF
1 MB FSB Interrupt Memory Space
(4GB-20MB) –
(4GB-19MB-1)
FEC00000 –
FECFFFFF
1 MB APIC Configuration Space
960 K – 1024 K F0000 – FFFFF 64 KB System BIOS Area
896 K – 960 K E0000 – EFFFF 64 KB Extended System BIOS Area
768 K – 896 K C0000 – DFFFF 128 KB PCI expansion ROM area
640 K – 768 K A0000 – BFFFF 128 KB Video Buffer & SMM space
0 K – 640 K 00000 – 9FFFF 640 KB DOS Area
0 K – 640 K 00000 – 9FFFF 640 KB DOS Area
Channel Number Data Width System Resource
0 – Open
1 – Open
2 – Open
3 – Open
4 – DMA Controller
5 – Open
6 – Open
7 – Open