Motherboard Resources; Memory Map; Dma Channels - Intel SE440BX - Desktop Board Motherboard Product Manual

Technical Reference

Motherboard Resources

Memory Map

Table 35.

Memory Map

Address Range (decimal)
1024 K - 393216 K
928 K - 1024 K
896 K - 928 K
800 K - 896 K
640 K - 800 K
0 K - 640 K

DMA Channels

Table 36.

DMA Channels

DMA Channel Number
0
1
2
3
4
5
6
7
56
Address Range (hex) Size
100000 - 18000000 383 MB
E8000 - FFFFF 96 KB
E0000 - E7FFF 32 KB
C8000 - DFFFF 96 KB
A0000 - C7FFF 160 KB
00000 - 9FFFF 640 KB
Data Width System Resource
8- or 16-bits Audio
8- or 16-bits Audio/parallel port
8- or 16-bits Diskette drive
8- or 16-bits Parallel port (for ECP)/audio
Reserved - cascade channel
16-bits Open
16-bits Open
16-bits Open
Description
Extended memory
System BIOS
System BIOS (available as UMB)
Available high DOS memory (open to ISA and
PCI buses)
Video memory and BIOS
Conventional memory