I already tryed with several hardware changed my hardware several times
I tryed several mixes of :
Processor's - Celeron 1.6 , P4 2.4, P4 3.0
Memory - 2 DDR of 1GB kingston, 1 DDR 512MB Kingston , 1 DDR 512 other brand
Mother board one ASUS and other of another brand
Several IDE harddisks, samsung and seagate
Several AGP VGA, Nvidia more than 10 Geforce's and TNT's, several ATI Radeon's
two power suplyes