--- linux-2.4.28-pre2/drivers/scsi/libata-core.c	2004-09-02 02:32:56.000000000 -0400
+++ linux-2.4.28-pre2-ich6r/drivers/scsi/libata-core.c	2004-09-01 23:19:04.000000000 -0400
@@ -3281,6 +3281,9 @@ int ata_pci_init_one (struct pci_dev *pd
 			legacy_mode = (1 << 3);
 	}
 
+	if ((pdev->class >> 8) == PCI_CLASS_STORAGE_RAID)
+		legacy_mode = 0;
+
 	/* FIXME... */
 	if ((!legacy_mode) && (n_ports > 1)) {
 		printk(KERN_ERR "ata: BUG: native mode, n_ports > 1\n");