--- linux-2.6.26/drivers/ata/sata_mv.c.orig	2008-08-29 21:35:45.000000000 +0200
+++ linux-2.6.26/drivers/ata/sata_mv.c	2008-08-29 21:36:38.000000000 +0200
@@ -667,7 +667,8 @@
 	{ PCI_VDEVICE(MARVELL, 0x5041), chip_504x },
 	{ PCI_VDEVICE(MARVELL, 0x5080), chip_5080 },
 	{ PCI_VDEVICE(MARVELL, 0x5081), chip_508x },
-	/* RocketRAID 1740/174x have different identifiers */
+	/* RocketRAID 1720/174x have different identifiers */
+	{ PCI_VDEVICE(TTI, 0x1720), chip_6042 },
 	{ PCI_VDEVICE(TTI, 0x1740), chip_508x },
 	{ PCI_VDEVICE(TTI, 0x1742), chip_508x },