Filter
Top Products
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