LPT is working only few seconds

Archived from groups: microsoft.public.windowsxp.device_driver.dev (More info?)

Please email me at the address you see above
(delete .no.spam of course). I have a device driver
called "totalio" which fixes this problem under Windows
2000 and Windows XP.

Melissa

>-----Original Message-----
>My 16Bits App uses direct ASM IO acces on port 0x378.
It's working fine
>for W9x, et 2000 PRO.(it's for FisherTechnik robotics
command program).
>But on XP, it's working only 15 to 30 seconds. After,
the LPT port is
>no more driven by the program. I tried W9x backward
compatility without
>result. Not all the pin's are used by the fischer
interface.
>The schools that are using my program can not use Windows
XP for
>robotics. I don't want to port my app to 32 bits.
>Thanks
>.
>