Figure 2-4. Dma Channel Settings - National Instruments VXI-AT2023 Getting Started

Hardware Configuration and Installation
DRQ7
DRQ6
DRQ5
DRQ3
DRQ2
DRQ1
DRQ0
DACK7
DACK6
DACK5
DACK3
DACK2
DACK1
DACK0
a. Factory Default DMA
Channel Jumper Setting:
Master Mode Channel 6,
Slave Mode Channel 3
To select a new DMA channel, move both the DRQ and DACK jumpers onto the appropriate pins.
Remember to make a corresponding change in the system software to enable the new DMA
channels. Figure 2-4b displays the jumper position for selecting master-mode DMA Channel 7 and
slave-mode DMA Channel 0.
VXI-AT2023/NI-VXI ISC 386/ix Getting Started
W1
W2

Figure 2-4. DMA Channel Settings

2-10
DRQ7
DRQ6
DRQ5
DRQ3
DRQ2
DRQ1
DRQ0
W1
DACK7
DACK6
DACK5
DACK3
DACK2
DACK1
DACK0
W2
b. DMA Channel Jumper Setting
for Master Mode Channel 7,
Slave Mode Channel 0
© National Instruments Corporation
Chapter 2