A-4
IBM Personal Computer User Guide
System input/output addresses
This table shows the hexadecimal addresses for each of the system board Input/
Output (I/O) functions. You may want to use this information if you install an adapter
card that requires you to set I/O addresses.
Table 3: System input/output addresses
Address range
(hexadecimal)
Function
000-00F
DMA controller-1
020-021
Interrupt controller-1
040-043
System timer
060-060
Keyboard controller 8742
061-061
System Speaker
070-071
CMOS RAM Address and Real Time Clock
081-08F
DMA controller-2
0A0-0A1
Interrupt controller-2
0C0-0DF
DMA controller-2
0F0-0FF
Math Co-Processor
170-177
Secondary IDE
1F0-1F7
Primary IDE
200-207
Game Port
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
Summary of Contents for Types 2193
Page 1: ...Personal Computer Types 2193 2194 and 6345 User Guide...
Page 2: ......
Page 4: ......
Page 34: ...xxxiv IBM Personal Computer User Guide...
Page 36: ......
Page 42: ......
Page 54: ...2 12 IBM Personal Computer User Guide...
Page 56: ...3 2 IBM Personal Computer User Guide...
Page 58: ......
Page 100: ...6 22 IBM Personal Computer User Guide...
Page 102: ......
Page 126: ...8 16 IBM Personal Computer User Guide...
Page 140: ...9 14 IBM Personal Computer User Guide...
Page 142: ......
Page 166: ...10 24 IBM Personal Computer User Guide...
Page 168: ......
Page 196: ...C 2 IBM Personal Computer User Guide...
Page 214: ...Index I 4...