diff --git a/src/import/chips/p9/procedures/xml/attribute_info/chip_ec_attributes.xml b/src/import/chips/p9/procedures/xml/attribute_info/chip_ec_attributes.xml
index fe79c1d1244..0c2eb62bddb 100644
--- a/src/import/chips/p9/procedures/xml/attribute_info/chip_ec_attributes.xml
+++ b/src/import/chips/p9/procedures/xml/attribute_info/chip_ec_attributes.xml
@@ -5108,6 +5108,37 @@
+
+ ATTR_CHIP_EC_FEATURE_HW499047
+ TARGET_TYPE_PROC_CHIP, TARGET_TYPE_PROC_CHIP, TARGET_TYPE_PROC_CHIP
+
+ HW499047 - SMT2 prefetch issue
+
+
+
+ ENUM_ATTR_NAME_NIMBUS
+
+ 0x22
+ GREATER_THAN_OR_EQUAL
+
+
+
+ ENUM_ATTR_NAME_CUMULUS
+
+ 0x11
+ GREATER_THAN_OR_EQUAL
+
+
+
+ ENUM_ATTR_NAME_AXONE
+
+ 0x10
+ GREATER_THAN_OR_EQUAL
+
+
+
+
+
ATTR_CHIP_EC_FEATURE_HW420860
TARGET_TYPE_PROC_CHIP, TARGET_TYPE_PROC_CHIP