Chapter 2 Installation and Configuration
AT-MIO/AI E Series User Manual
2-6
National Instruments Corporation
Table 2-2.
PC AT Interrupt Assignment Map
IRQ
Device
15
Available
14
Fixed Disk Controller
13
Coprocessor
12
AT-DIO-32F – default
11
AT-DIO-32F – default
10
AT-MIO-16 – default
9
PC Network – default
PC Network Alternate – default
8
Real Time Clock
7
Parallel Port 1 (LPT1)
6
Diskette Drive Controller
Fixed Disk and Diskette Drive Controller
5
Parallel Port 2 (LPT2)
PC-DIO-24 – default
Lab-PC/PC+ – default
4
Serial Port 1 (COM1)
BSC, BSC Alternate
3
Serial Port 2 (COM2)
BSC, BSC Alternate
Cluster (primary)
PC Network, PC Network Alternate
WD Et – default
3Com EtherLink – default
2
IRQ 8-15 Chain (from interrupt controller 2)
1
Keyboard Controller Output Buffer Full
0
Timer Channel 0 Output