The drives are on 2 x 2 channel Promise Ultra100 IDE cards, each drive has it's own channel. I don't think the motherbaord is relevant, but it a 2.4 GHz Intel processor and an Asus MB of some kind. Three of the drives work fine, it is only one that has this problem. RAID 5 works with three or more drives. Chris Mason masonc@xxxxxxxxxx Box 340, The Valley, Anguilla, British West Indies Tel. (264) 497-5670 - Cell: (264) 235-5670 - Also (305)-735-3483 Fax: (264) 497-8463 - US Fax (815)301-9759 Yahoo IM: netconcepts_anguilla@xxxxxxxxx -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list