-#define DASD_FEATURE_DEFAULT 0
-#define DASD_FEATURE_READONLY 1
-#define DASD_FEATURE_USEDIAG 2
+#define DASD_FEATURE_DEFAULT 0x00
+#define DASD_FEATURE_READONLY 0x01
+#define DASD_FEATURE_USEDIAG 0x02
+#define DASD_FEATURE_INITIAL_ONLINE 0x04
+#define DASD_FEATURE_ERPLOG 0x08