Dragan,
You might want to try sys(2450, 0) but I am not sure if it will help
{Update}
Well, reading the help helps to realize it wouldn't help
"The five senses obstruct or deform the apprehension of reality."
Jorge L. Borges?
"Premature optimization is the root of all evil in programming."
Donald Knuth, repeating C. A. R. Hoare
"To die for a religion is easier than to live it absolutely"
Jorge L. Borges