diff -Naur linux-2.4.25-libata1/drivers/scsi/ata_piix.c linux-2.4.25-libata1-ich6r/drivers/scsi/ata_piix.c
--- linux-2.4.25-libata1/drivers/scsi/ata_piix.c	2004-02-20 22:41:05.000000000 +0000
+++ linux-2.4.25-libata1-ich6r/drivers/scsi/ata_piix.c	2004-02-20 23:03:57.000000000 +0000
@@ -45,6 +45,7 @@
 	ich5_pata		= 0,
 	ich5_sata		= 1,
 	piix4_pata		= 2,
+	ich6_sata               = 3,
 };
 
 static int piix_init_one (struct pci_dev *pdev,
@@ -71,6 +72,7 @@
 	{ 0x8086, 0x24df, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_sata },
 	{ 0x8086, 0x25a3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_sata },
 	{ 0x8086, 0x25b0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_sata },
+	{ 0x8086, 0x2652, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata },	
 
 	{ }	/* terminate list */
 };
@@ -175,6 +177,17 @@
 		.udma_mask	= ATA_UDMA_MASK_40C, /* FIXME: cbl det */
 		.port_ops	= &piix_pata_ops,
 	},
+
+	/* ich6_sata */
+	{
+		.sht		= &piix_sht,
+		.host_flags	= ATA_FLAG_SATA | PIIX_FLAG_COMBINED |
+				  ATA_FLAG_SRST | ATA_FLAG_SLAVE_POSS |
+		                  ATA_FLAG_NO_LEGACY,
+		.pio_mask	= 0x03,	/* pio3-4 */
+		.udma_mask	= 0x7f,	/* udma0-6 ; FIXME */
+		.port_ops	= &piix_sata_ops,
+	},
 };
 
 static struct pci_bits piix_enable_bits[] = {