diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index b538e1d..bb62a588f 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -974,6 +974,13 @@
 			},
 		},
 		{
+			.ident = "TECRA M4",
+			.matches = {
+				DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+				DMI_MATCH(DMI_PRODUCT_NAME, "Tecra M4"),
+			},
+		},
+		{
 			.ident = "TECRA M5",
 			.matches = {
 				DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),