diff --git a/yaml/com/ibm/ipzvpd/VINI.interface.yaml b/yaml/com/ibm/ipzvpd/VINI.interface.yaml
index abaf45b..48e7622 100644
--- a/yaml/com/ibm/ipzvpd/VINI.interface.yaml
+++ b/yaml/com/ibm/ipzvpd/VINI.interface.yaml
@@ -77,5 +77,9 @@
       type: array[byte]
       description: >
           VN keyword.
+    - name: DI
+      type: array[byte]
+      description: >
+          DI keyword. Contains DRAM manufacturer ID.
 
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