Table 2-3. pc at 16-bit dma channel assignment map – National Instruments AT E Series User Manual
Page 26
Chapter 2
Installing and Configuring the Device
2-6
ni.com
Note
EISA computers also have channels 0–3 available as 16-bit DMA channels.
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 EtherCard+ (default)
3Com EtherLink (default)
2
IRQ 8–15 Chain (from interrupt controller 2)
1
Keyboard Controller Output Buffer Full
0
Timer Channel 0 Output
Table 2-3. PC AT 16-bit DMA Channel Assignment Map
Channel
Device
7
AT-MIO-16 series (default)
6
AT-MIO-16 series (default)
AT-DIO-32F (default)
5
AT-DIO-32F (default)
4
Cascade for DMA Controller #1
(channels 0 through 3)
Table 2-2. PC AT Interrupt Assignment Map (Continued)
IRQ
Device