Hi James, the aic7xxx drivers do not set .max_sectors, and hence defaults to 512kB. The adaptec sources indicate that it in realiter can handle up to 4MB, so there is no reason not to adjust it. Please apply, Hannes -- Dr. Hannes Reinecke hare@suse.de SuSE Linux Products GmbH S390 & zSeries Maxfeldstraße 5 +49 911 74053 688 90409 Nürnberg http://www.suse.de