UNO-3072A/3074A User Manual
54
Appendix A System Settings and Pin
Assignments
A.1 System I/O Address and Interrupt Assignments
Table A.1: UNO-3072A/3074A System I/O Port
Address
Range Device
Device
0000 - 0CF7
PCI bus
0000 - 000F
Direct memory access controller
0010 - 001F
Motherboard resources
0020 - 0021
Programmable interrupt controller
0022 - 003F
Motherboard resources
0040 - 0043
System timer
0044 - 005F
Motherboard resources
0060 - 0060
Standard 101/102-Key or Microsoft Natural PS/2 Key-
board
0061 - 0061
System speaker
0062 - 0063
Motherboard resources
0064 - 0064
Standard 101/102-Key or Microsoft Natural PS/2 Key-
board
0065 - 006F
Motherboard resources
0070 - 0073
System CMOS/real time clock
0074 - 007F
Motherboard resources
0080 - 0090
Direct memory access controller
0091 - 0093
Motherboard resources
0094 - 009F
Direct memory access controller
00A0 - 00A1
Programmable interrupt controller
00A2 - 00BF
Motherboard resources
00C0 - 00DF
Direct memory access controller
00E0 - 00EF
Motherboard resources
00F0 - 00FF
Numeric data processor
01F0 - 01F7
Primary IDE Channel
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