diff --git a/ich_descriptors.c b/ich_descriptors.c
index 9813836..1e975fa 100644
--- a/ich_descriptors.c
+++ b/ich_descriptors.c
@@ -936,6 +936,8 @@
 			warn_peculiar_desc("Gemini Lake");
 			return CHIPSET_GEMINI_LAKE;
 		}
+		if (content->ISL <= 80)
+			return CHIPSET_C620_SERIES_LEWISBURG;
 		warn_peculiar_desc("Ibex Peak");
 		return CHIPSET_5_SERIES_IBEX_PEAK;
 	} else if (upper->MDTBA == 0x00) {