Single-Cycle Dma Required; Gpib Software Problem Encountered; Unknown Problem Encountered - National Instruments PC/104-GPIB Manual

Single-Cycle DMA Required

GPIB Software Problem Encountered

Unknown Problem Encountered

© National Instruments Corporation
This error occurs if the Diagnostic utility detects that it is unable to
perform demand-mode DMA for the PC/104-GPIB and that the GPIB
software has not been configured to use single-cycle DMA. If you
encounter this error, you should use the Device Manager to configure
the GPIB software to use single-cycle DMA for all DMA transfers, and
then run the Diagnostic utility again.
To configure the GPIB software to use single-cycle DMA for the
PC/104-GPIB, complete the following steps:
1. Double-click on the System icon under Start»Settings»Control
Panel .
2. In the System Properties dialog box that appears, select the Device
Manager tab.
3. Click on the View devices by type button at the top of the Device
Manager page.
4. Double-click on the National Instruments GPIB Interfaces icon.
5. Double-click on the interface to be configured.
6. Select the GPIB Settings tab.
7. Click on the Advanced button and make sure that the Demand
Mode DMA item is unchecked.
This error occurs if the Diagnostic utility detects that it is unable to
communicate correctly with the GPIB hardware using the installed
GPIB software. If you encounter this error, shut down your system,
restart it, and run the Diagnostic utility again. If the problem persists,
try reinstalling the GPIB software for Windows 95.
This error occurs if an unknown problem is encountered while trying to
execute the Diagnostic utility. If you encounter this problem, shut down
your system, restart it, and run the Diagnostic utility again. If the
problem persists, try reinstalling the GPIB software for Windows 95.
Appendix B Troubleshooting and Common Questions
B-7 PC/104-GPIB for Windows 95