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78 Appendix A: Troubleshooting
If the above solution does not work, try the following to
determine if there is an IRQ conflict.
❐ Under Windows NT, go to Windows NT Diagnostics
property sheet (found under Start Programs
Administrative Tools (Common). Under the Resources
tab, check for devices that are sharing an IRQ with your
Matrox frame grabber.
❐ Under Windows 98, right-click on My Computer, and
select Computer from the presented menu. Go to View
Resources, selecting the Interrupt request (IRQ)
checkbox. Check for devices that are sharing an IRQ with
your Matrox frame grabber.
❐ Under Windows 2000, right-click on My Computer, and
select Manage from the presented menu. Select
Computer in the Computer Management dialog box.
Select System Information\ Hardware Resources\ IRQ.
Check for devices that are sharing an IRQ with your
Matrox frame grabber.
☛ Not enough memory to allocate buffer under
Windows NT 4.0
This is the message that you will receive if you try to allocate
a grab buffer that is greater than the amount of DMA memory
specified during software installation. This problem can be
addressed by increasing the amount of DMA memory on your
computer. Uninstall and reinstall MIL and specify the
appropriate amount of DMA memory. Alternatively, re-allocate
DMA memory using the included milconfig.exe utility.
Grabbing Problems
☛ Opto-isolated trigger pulse is not connected
When using the opto-isolated trigger, both OPTOTRIG- and
OPTOTRIG+ signals must be connected. OPTOTRIG- is
usually connected to the ground of the trigger source.