ADLINK cExpress-BL - Manual (Page 40)

Page 40 cExpress-BL
6 System Resources
6.1 System Memory Map
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 MSI Interrupts
(4GB-20MB) – (4GB-19MB-1) FEC00000 – FECFFFFF 1 MB APIC Configuration Space
15MB – 16MB F00000 – FFFFFF 1 MB ISA Hole
1MB -15MB 100000 - EFFFFF 14MB Main Memory
0K –1MB 00000 – FFFFFF 1MB DOS Compatibility Memory
6.2 Direct Memory Access Channels
Channel Number Data Width System Resource
0 8-bits Generic
1 8-bits Generic
2 8-bits Generic
3 8-bits Generic
4 Reserved - cascade channel
5 16-bits Generic
6 16-bits Generic
7 16-bits Generic