diff --git a/[refs] b/[refs]
index 012870ffaa27..97be5284fdef 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 38941c9521e9ee6064b402dd460ac9dd2df89890
+refs/heads/master: 3c4aa91f21f65b7b40bdfb015eacbcb8453ccae2
diff --git a/trunk/drivers/ata/ahci.c b/trunk/drivers/ata/ahci.c
index fd318ac36432..389f670ee7c6 100644
--- a/trunk/drivers/ata/ahci.c
+++ b/trunk/drivers/ata/ahci.c
@@ -753,6 +753,18 @@ static bool ahci_sb600_enable_64bit(struct pci_dev *pdev)
 				DMI_MATCH(DMI_BOARD_NAME, "MS-7376"),
 			},
 		},
+		/*
+		 * All BIOS versions for the Asus M3A support 64bit DMA.
+		 * (all release versions from 0301 to 1206 were tested)
+		 */
+		{
+			.ident = "ASUS M3A",
+			.matches = {
+				DMI_MATCH(DMI_BOARD_VENDOR,
+					  "ASUSTeK Computer INC."),
+				DMI_MATCH(DMI_BOARD_NAME, "M3A"),
+			},
+		},
 		{ }
 	};
 	const struct dmi_system_id *match;