diff -Nrau ata/ata-dma.c ata.new/ata-dma.c
--- ata/ata-dma.c	2006-11-14 12:54:21.000000000 +0200
+++ ata.new/ata-dma.c	2006-12-12 15:39:52.000000000 +0200
@@ -150,6 +150,7 @@
     case 0x26808086:	/* Intel ICH6 SATA */
     case 0x266f8086:	/* Intel ICH6 ATA */
     case 0x26528086:	/* Intel ICH6R/RW SATA */
+    case 0x26538086:	/* Intel ICH6M SATA */
     case 0x26518086:	/* Intel ICH6/W SATA */
     case 0x24db8086:	/* Intel ICH5 */
     case 0x24d18086:	/* Intel ICH5 SATA */
diff -Nrau ata/ata-pci.c ata.new/ata-pci.c
--- ata/ata-pci.c	2006-11-14 12:54:21.000000000 +0200
+++ ata.new/ata-pci.c	2006-12-12 15:37:59.000000000 +0200
@@ -163,7 +163,10 @@
 
     case 0x26528086:
 	return "Intel ICH6R/RW SATA150 controller";
-
+	
+    case 0x26538086:
+	return "Intel ICH6M SATA150 controller";
+	
     case 0x266f8086:
 	return "Intel ICH6R/RW ATA100 controller";