User manual

PCM-3343 User Manual 66
B.1 System I/O Ports
B.2 1st MB memory map
Table B.1: System I/O Ports
Addr. Range (Hex) Device
00h-1Fh DMA Controller
20h-21h Interrupt Controller
40h-48h Timer/Counter
50h-52h Timer/Counter
60h Keyboard controller
64h Keyboard controller
70h-71h RTC & CMOS
81h-8Fh DMA Controller
92h Reset Generator
A0h-A1h Interrupt Controller
C0h-DEh DMA Controller
170h-177h IDE Controller
1F0h-1F7h IDE Controller
3F8-3FF
COM Port
3E8-3EF
2F8-2FF
2E8-2EF
2F0-2F7
2E0-2E7
3E0-3E7
3B8-3BF
220-227
228-22F
238-23F
278-27F
338-33F
378-37F
Table B.2: 1st MB memory map
Addr. Range (Hex) Device
F0000h - FFFFFh Upper BIOS Area (64kB)
E0000h - EFFFFh Lower BIOS Area (64kB) 16kB x 41
C0000h - DFFFFh Expansion Card BIOS and Buffer Area (128kB) 16kB x8
A0000h - BFFFFh Standard PCI/ISA Video Memory (SMM Memory) 128kB
00000h - 9FFFFh DOS Area