1 files changed, 3 insertions, 2 deletions
diff --git a/src/usr/diag/prdf/common/plugins/prdfMemoryMruData.H b/src/usr/diag/prdf/common/plugins/prdfMemoryMruData.H
index 136f0994e..a3b4caaf0 100644
--- a/src/usr/diag/prdf/common/plugins/prdfMemoryMruData.H
+++ b/src/usr/diag/prdf/common/plugins/prdfMemoryMruData.H
@@ -42,8 +42,9 @@ struct memMruDqInfo
 {
     uint32_t  memMru32bits;                // 32 bit MemoryMru format
     uint32_t  cardType              :8;    // cardType for Centaur DIMMs
-    uint32_t  bufferedDimm          :1;    // Centaur DIMM (1) or IS DIMM (0)
-    uint32_t  reserved              :23;   // Future use / nice boundary
+    uint32_t  bufferedDimm          :1;    // 1=Centaur DIMM, 0=IS DIMM
+    uint32_t  isX4                  :1;    // 1=x4 DRAM DIMM, 0=x8 DRAM DIMM
+    uint32_t  reserved              :22;   // Future use / nice boundary
     uint8_t   dqMapping[80];               // CenDQ to DimmDQ mapping
 };