5. CPU Board Resources
34
PC-686BX(NLX)-LV, PC-686BX(NLX)-LVV
Memory Map
Table 5.2. Memory Map
Address Range (h) Size Description
100000-18000000 512MB Expanded memory
E8000-FFFFF 96KB System BIOS
E0000-E7FFF 32KB System BIOS (Can be used for UMB)
C8000-DFFFF 96KB
Available DOS high memory
(Available to ISA bus and PCI bus)
A0000-C7FFF 160KB Video memory and BIOS
00000-9FFFF 640KB Original memory
DMA Channels
Table 5.3. DMA Channels
DMA
0 8 or 16 bit Reserved
1 8 or 16 bit Reserved (or parallel port (for ECP))
2 8 or 16 bit Diskette driver
3 8 or 16 bit Reserved (or parallel port (for ECP))
4 --- Unused (Cascade channel)
5 16 bit Free
6 16 bit Free
7 16 bit Free
System ResourceData Size