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