Hello , few problem : I've tested reaction of my das1402/12 (ISA) handling irq3. While r/w on hdd or moving the mouse, the delay vary up to 60 µs. But sometimes, it reachs 2ms. (tested with a generator of frequence and rt_get_time()... can I trust this measurement???) Does anybody know a way to skip the pci to isa bridge, or to give a greater priority to my isa card or ... JP pour le pool de developpement --- [rtl] --- To unsubscribe: echo "unsubscribe rtl" | mail [EMAIL PROTECTED] OR echo "unsubscribe rtl <Your_email>" | mail [EMAIL PROTECTED] ---- For more information on Real-Time Linux see: http://www.rtlinux.org/~rtlinux/