Serial Communication Slow, Increase Serial Port Interrupt Priority?

G

Günter Wirth

Hi,

I wrote an application to send and receive serial data. I always write a
block of data and wait then for an ACK. With Windows 2000 that task is about
20% faster than with Windows XP.

After recording the data flow, I detect that the pause after the ACK and the
next data block is the reason for the problem.

That's why I think the problem is the priority of the serial port interrupt.
Is it possible to increase the prioity by programm or registry?

Regards,
Günter
 

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