Appendix A: Technical Specifications
43
Memory Map
Address
Range
Decimal
Address
Range
Hexadecimal
Size
Description
960K-1M
0F0000-
0FFFFF
64 KB
Upper BIOS
896K-960K
0E0000-
0EFFFF
64 KB
Lower BIOS
768K-896K
0C0000-
0DFFFF
128 KB
Expansion
Card BIOS
and Buffer
640K-768K
0A0000-
0BFFFF
128 KB
Standard
PCI/ISA
Video
Memory
512K-640K
080000-
09FFFF
128 KB
Ext.
Conventional
memory
0K- 512K
000000-
07FFFF
512 KB
Conventional
memory
DMA Channels
DMA #
Data Width
System Resource
0
8- or 16-bits
1
8- or 16-bits
Parallel port (for ECP)
2
8- or 16-bits
Floppy Drive
3
8- or 16-bits
Parallel port (for ECP)
4
Reserved-
cascade channel
5
16-bits
Open
6
16-bits
Open
7
16-bits
Open
Summary of Contents for Motherboard Raptor AT
Page 1: ...Raptor AT Motherboard Installation Guide ...
Page 2: ......
Page 22: ...Raptor AT Installation Guide 12 Figure 1 2 Location of Components and Connectors ...
Page 24: ...Raptor AT Installation Guide 14 User s Notes ...
Page 48: ...Raptor AT Installation Guide 38 User s Notes ...
Page 64: ...Raptor AT Installation Guide 54 User s Notes ...
Page 78: ...Raptor AT Installation Guide 68 User s Notes ...
Page 79: ......
Page 80: ...MN RBXAT 03 ...