[AG-TECH] Matrox G200 Drivers Question

John Shalf jshalf at lbl.gov
Tue Sep 25 19:29:51 CDT 2001

One thing that reduced the utilization is to use 16-bit
color rather than 24bit.  Aside from that, I have launch my
VIC windows on the G400/AGP card in order to get around the
CPU utilization problem (I'm running a 6-display system with
a G200 and a G400).  I'm very interested in any other tricks
to reduce the CPU utilization.


David Minor wrote:
> Hi - we've been trying to isolate our CPU utilization problems on our Display machine, and think we've found them. I'm wondering if anyone has seen these or has suggestions?
> We are running the G200 PCI card. We have been running with the latest Matrox drivers, which are dated January I believe (I'm not in front of the machine right now). The problem we have been seeing is that as soon as we open 3 windows in Vic, CPU utilization pops up to 50-60%, making for a very unpleasant experience.
> Just for kicks (yeah right) I uninstalled the Matrox drivers and tried running with the M$ drivers that shipped with Win2k - guess what? Opening 3 Vic windows causes the CPU utilization to run at about 8-9%, which is great. We don't see 50% utilization until we open a lot of windows. Very acceptable behavior. Only problem is that you can't drag any of the windows over to the extended desktop on the projectors - they become corrupted. This is a known behavior and was expected.
> So .. rock and a hard place here. Any suggestions?
> BTW this is on a Dell GX300 system running a dual PIII 866.

More information about the ag-tech mailing list