diff --git a/peci.h b/peci.h
index d4c3f65..aa482db 100644
--- a/peci.h
+++ b/peci.h
@@ -33,6 +33,8 @@
 {
     skx = 0x00050650,
     icx = 0x000606A0,
+    icxd = 0x000606C0,
+    spr = 0x000806F0,
 } CPUModel;
 
 // PECI Status Codes