diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index f05f063..31d0548 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -1174,6 +1174,10 @@
 	{1, "ORACLE", "X4270M3 ", PPC},
 	{1, "ORACLE", "X4270M2 ", PPC},
 	{1, "ORACLE", "X4170M2 ", PPC},
+	{1, "ORACLE", "X4170 M3", PPC},
+	{1, "ORACLE", "X4275 M3", PPC},
+	{1, "ORACLE", "X6-2    ", PPC},
+	{1, "ORACLE", "Sudbury ", PPC},
 	{0, "", ""},
 };