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 3f4d17fa8..076817b19 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
@@ -1883,6 +1883,143 @@
+
+
+ ATTR_CHIP_EC_FEATURE_HW397147
+ TARGET_TYPE_PROC_CHIP
+
+ Nimbus DD1: Tired Grandpa -- CHKSW_DONT_PRIORITIZE_BRQ_MF
+
+
+
+ ENUM_ATTR_NAME_NIMBUS
+
+ 0x20
+ LESS_THAN
+
+
+
+
+
+
+ ATTR_CHIP_EC_FEATURE_HW399388
+ TARGET_TYPE_PROC_CHIP
+
+ Nimbus DD1: Intense Skunk -- CS_LOW_POWER_PRIORITY_MODE_DIS
+
+
+
+ ENUM_ATTR_NAME_NIMBUS
+
+ 0x20
+ LESS_THAN
+
+
+
+
+
+
+ ATTR_CHIP_EC_FEATURE_HW399609
+ TARGET_TYPE_PROC_CHIP
+
+ Nimbus DD1: Rich Starlight -- increase core hang limit to engage L2
+ random block gather LFSR
+
+
+
+ ENUM_ATTR_NAME_NIMBUS
+
+ 0x20
+ LESS_THAN
+
+
+
+
+
+
+ ATTR_CHIP_EC_FEATURE_HW387254
+ TARGET_TYPE_PROC_CHIP
+
+ Nimbus DD1: IMA interval timer overcounts based on missing edge detect
+
+
+
+ ENUM_ATTR_NAME_NIMBUS
+
+ 0x20
+ LESS_THAN
+
+
+
+
+
+
+ ATTR_CHIP_EC_FEATURE_HW399919
+ TARGET_TYPE_PROC_CHIP
+
+ Nimbus DD1: Major Queen
+
+
+
+ ENUM_ATTR_NAME_NIMBUS
+
+ 0x20
+ LESS_THAN
+
+
+
+
+
+
+ ATTR_CHIP_EC_FEATURE_HW400898
+ TARGET_TYPE_PROC_CHIP
+
+ Nimbus DD1: Hungry Shark
+
+
+
+ ENUM_ATTR_NAME_NIMBUS
+
+ 0x20
+ LESS_THAN
+
+
+
+
+
+
+ ATTR_CHIP_EC_FEATURE_HW398269
+ TARGET_TYPE_PROC_CHIP
+
+ Nimbus DD1: Reckless Carpenter
+
+
+
+ ENUM_ATTR_NAME_NIMBUS
+
+ 0x20
+ LESS_THAN
+
+
+
+
+
+
+ ATTR_CHIP_EC_FEATURE_HW399765
+ TARGET_TYPE_PROC_CHIP
+
+ Nimbus DD1: NCU AMO load ordering error
+
+
+
+ ENUM_ATTR_NAME_NIMBUS
+
+ 0x20
+ LESS_THAN
+
+
+
+