IBM Netvista A20i User Manual page 58

Table 2. I/O address map.
48 System address maps
Address (hex)
0C0-0DF DMA controller-2
0F0-0FF Math Co-Processor
170-177 Secondary IDE
1F0-1F7 Primary IDE
200-207 Game Port (some models only)
278-27F Parallel Printer Port 2
2F8-2FF Serial Asynchronous Port 2
378-37F Parallel Printer Port 1
3F0-3F5 Floppy Disk Controller
3F6-3F6 Secondary EIDE
3F7-3F7 Primary EIDE
3F8-3FF Serial Asynchronous Port 1
0CF8 Configuration Address Register
0CFC Configuration Data Register
778-77A Parallel Printer Port 1
Description