ADLINK CM1-86DX2 - Manual (Page 70)

64 Using the Module
4.6 Memory Address Map
4.7 I/O Address Map
The system chipset implements a number of registers in I/O address space. These registers
occupy the following map in the I/O space:
PCI Configuration Registers
DMA Control Registers
Table 4-3: Memory Map
Address range
(dec)
Address range
(hex)
Size Description
4177920 –
4194303K FF00:0000 –
FFFF:FFFF 16384K High BIOS Area
4173824K –
4173887K FEC0:0000 -
FEC0:FFFF 20480K APIC Configuration Space
1048576K –
4194303K 4000:0000 –
FFFF:FFFF 3145727K PCI Memory Address Range
1024K -1048575K 0010:0000 –
3FFF:FFFF 1047551K Extended memory (RAM)
(Top of memory)
960K – 1024K F0000 – FFFFF 64K System BIOS
896K - 960K E0000 - EFFFF 64K Extended (4x 16K) System BIOS Area
768K - 896K C0000 - DFFFF 128K ISA (8x 16K) Expansion Area
640K - 768K A0000 – BFFFF 128K Standard PCI/ISA Video Buffer Area
0K - 640K 0 – 9FFFF 640K DOS Area
Table 4-4: PCI Configuration Registers
Address range (hex) Description
0CFB - 0CF8 PCI Configuration Address Register
0CFF – 0CFC PCI Configuration Data Register
Table 4-5: DMA Control Registers
Address range (hex) Description
0000 – 000F Slave DMA Control Registers
0081 – 008B DMA Page Registers
00C0 – 00DE Master DMA Controller Registers
0481 – 048B DMA High Page Registers