Uwe Kirst wrote: > > Do you think 1ms DPC delay sounds reasonable (for my 800Mhz PIII)? Does the > delay depend on the cpu speed? > Is difficult to say. If a driver somewhere in the system has a 'slow' DPC or is holding a lock the DPC delay time could run up to tens of milliseconds. WinXX is not a real time OS! Bart ****************** WDMAUDIODEV addresses: Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx URL to WDMAUDIODEV page: http://www.wdmaudiodev.de/