diff --git a/src/cpu/amd/model_10xxx/defaults.h b/src/cpu/amd/model_10xxx/defaults.h
index c133c94c4f..fdbe3d8fe4 100644
--- a/src/cpu/amd/model_10xxx/defaults.h
+++ b/src/cpu/amd/model_10xxx/defaults.h
@@ -88,6 +88,10 @@ static const struct {
 	{ CPUIDFEATURES, AMD_FAM10_ALL, AMD_PTYPE_DC,
 	  0x00000000, 1 << (33-32),
 	  0x00000000, 1 << (33-32) },	/* [ExtendedFeatEn]=1 */
+
+        { BU_CFG2, AMD_DRBH_Cx , AMD_PTYPE_ALL,
+	  0x00000000, 1 << (35-32),
+	  0x00000000, 1 << (35-32) },	/* Erratum 343 (set to 0 after CAR, in post_cache_as_ram() )  */  
 };