diff --git a/src/mainboard/intel/d945gclf/dsdt.asl b/src/mainboard/intel/d945gclf/dsdt.asl
index bf57e74b21..49b6033cbe 100644
--- a/src/mainboard/intel/d945gclf/dsdt.asl
+++ b/src/mainboard/intel/d945gclf/dsdt.asl
@@ -21,7 +21,7 @@ DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
 	0x02,		// DSDT revision: ACPI v2.0
-	"COREv2",	// OEM id
+	"COREv4",	// OEM id
 	"COREBOOT",     // OEM table id
 	0x20090419	// OEM revision
 )
diff --git a/src/mainboard/kontron/986lcd-m/dsdt.asl b/src/mainboard/kontron/986lcd-m/dsdt.asl
index f06b225fe0..2235f62058 100644
--- a/src/mainboard/kontron/986lcd-m/dsdt.asl
+++ b/src/mainboard/kontron/986lcd-m/dsdt.asl
@@ -21,7 +21,7 @@ DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
 	0x02,		// DSDT revision: ACPI v2.0
-	"COREv2",	// OEM id
+	"COREv4",	// OEM id
 	"COREBOOT",     // OEM table id
 	0x20090419	// OEM revision
 )
diff --git a/src/mainboard/roda/rk886ex/dsdt.asl b/src/mainboard/roda/rk886ex/dsdt.asl
index 593b8d351f..e3a62a3a19 100644
--- a/src/mainboard/roda/rk886ex/dsdt.asl
+++ b/src/mainboard/roda/rk886ex/dsdt.asl
@@ -23,7 +23,7 @@ DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
 	0x03,		// DSDT revision: ACPI v3.0
-	"COREv2",	// OEM id
+	"COREv4",	// OEM id
 	"COREBOOT",     // OEM table id
 	0x20090419	// OEM revision
 )