Intel 4 Series Express vs Intel 965 Express

A client of ours is having a problem panning on a mapping application that we write on their panasonic toughbooks (CF-19's).

One of their toughbooks the panning is fairly smooth while on the other it is really slow and choppy. Doesn't help that they have all the settings turned up, but I would of thought any reasonably new graphics card (even with shared memory) would have more than adequate graphic speed.

I am pretty sure that the graphic adapter is to blame, but I can't find anything out about either chipset (level of acceleration, known-problems, etc). All I get is the intel data sheets.

The faster panning one is on the Mobile Intel 4 Series Express Chipset while the slower is on the Mobile Intel 965 Express Chipset - about 2 1/2 years difference between releases.

Is this massive level of difference expected? Does it sound like a driver problem as they both have the same amount of ram and same cpu?

 

stupid question: is hardware acceleration in the video settings activated?

 

I have it here in front of me.

In Control Panel->Intel GMA Driver for Mobile there are settings for 3D (under the button for '3D Settings' but I can't see an option to disable acceleration.

Where would this option be located?

Thanks, Graham Reeds

 

Found it!

Under 'Troubleshoot' in Display Properties hardware acceleration is set to Full.

So it is not that.

The driver is listed as 26/02/2007. As a client work PC I'd rather not install drivers 'on the off-chance'.

Thanks, GR.