On Fri, Aug 08, 2003 at 03:52:46PM +0200, Lennart Augustsson wrote:
> Yes, DMA can still happen while interrups are off.  On the PCI bus any
> bus mastering device can do cycles.  E.g., if you have a USB controller it
> will access memory every ms regardless of any transfers that have been 
> set up.

Some ethernet or SCSI adapters can also do this.

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 24 ans d'experience feront toujours la difference
--