Hello wdmaudiodev, Hi All !!! Just now I wondering how to notify _user mode_ ASIO thread that it's time to copy HW-prepared data? There are funcs as KeSetEvent - but they works with _kernel mode_ threads which ccan't be under win98... -- Best regards, ns mailto:neslon@xxxxxxxxx ****************** 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/