diff --git a/util/config/winfast.config b/util/config/winfast.config
index f12b970eb8..1b86fa4bfe 100644
--- a/util/config/winfast.config
+++ b/util/config/winfast.config
@@ -2,6 +2,11 @@
 
 # This will make a target directory of ./winfast
 target winfast 
+
+# Add -DSIS630 in Makefile to enable SIS630 specific feature
+option SIS630
+
+# WinFast 6300 MAX mainboard
 mainboard leadtek/winfast6300
 
 # Enable Serial Console for debugging