32
Matrox Productiva G100 Multi-Monitor Series – User Guide
Solution
Try moving your Matrox multi-monitor graphics card to another PCI slot in your
computer.
Problem
Matrox Diagnostic or setup program reports an IRQ problem
(3D and video programs don’t work)
Cause
Your computer or program may not work well with bus mastering.
Solution
Disable bus mastering.
(If you want to continue using bus mastering, see the other solutions.)
Windows NT 4.0:
1
Click
Programs
Matrox PowerDesk NT
Matrox Display
Properties
Performance
.
2
Clear the
Use Bus Mastering
check box.
3
Click
OK
Yes
to accept the changes and restart your computer.
Windows 98:
1
Disable Windows 98 multi-display mode (
see page 35
).
2
Click
Programs
Matrox PowerDesk
Matrox Display Properties
Settings
Advanced
Performance
.
3
Clear the
Use Bus Mastering
check box.
4
Click
OK
OK
Yes
to accept the changes.
5
Re-enable Windows 98 multi-display mode (
see page 35
), then restart your
computer.
Cause
Your Matrox card may be in a “slave” expansion slot on a computer that makes a
distinction between bus mastering and slave slots.
Solution
Change slots: Shut down your computer, disconnect it from the power supply,
remove your Matrox card and then insert it into a different PCI expansion slot. For
instructions on how to safely install your Matrox card,
see “Hardware installation”,
page 7
.
