Memory Map; Dma Channels - Intel Motherboard Raptor AT Installation Manual

Memory Map

Address
Range
Decimal
960K-1M
896K-960K
768K-896K
640K-768K
512K-640K
0K- 512K

DMA Channels

DMA # Data Width
0 8- or 16-bits
1 8- or 16-bits
2 8- or 16-bits
8- or 16-bits
3
Reserved-
4
16-bits
5
16-bits
6
16-bits
7
Appendix A: Technical Specifications
Address
Range
Hexadecimal
0F0000-
0FFFFF
0E0000-
0EFFFF
0C0000-
0DFFFF
0A0000-
0BFFFF
080000-
09FFFF
000000-
07FFFF
Size
64 KB
64 KB
128 KB
128 KB
128 KB
512 KB
System Resource
Parallel port (for ECP)
Floppy Drive
Parallel port (for ECP)
cascade channel
Open
Open
Open
Description
Upper BIOS
Lower BIOS
Expansion
Card BIOS
and Buffer
Standard
PCI/ISA
Video
Memory
Ext.
Conventional
memory
Conventional
memory
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