==== DMDX on XP machines ====

When using [[DMDX]] on a XP machine, with one of our Keithley cards you ALWAYS have to use QPIO instead of PIO in the script header.

Also, it is now recommended to use explicit refresh rates in your video modes, so use

{{{
   <vm 1024, 768, 768, 16, 100>
}}}

Instead of the usual

{{{
   <vm 1024, 768, 768, 16, 0>
}}}

The first will get you 100 Hz refresh rate for sure, while the second will get you the 'default' refresh rate, which could be anything, really.

[[mailto:maarten.van-casteren@mrc-cbu.cam.ac.uk|MaartenVanCasteren]]