diff --git a/smartdiskinfo.go b/smartdiskinfo.go
index 5df8491..b3c2e2c 100644
--- a/smartdiskinfo.go
+++ b/smartdiskinfo.go
@@ -33,7 +33,7 @@ func getDiskInfo(diskpath string) *DiskInfo {
 type Item struct {
 	Name string `json:"name"`
 	Raw  struct {
-		Value uint64 `json:"value"`
+		Value int64 `json:"value"`
 	} `json:"raw"`
 }
 
@@ -88,6 +88,13 @@ func checkSmartAttributes(diskpath string, isSeagate bool, isHdd bool) {
 	fmt.Println("Raw_Read_Error_Rate: " + evalStrZero(rrerrrate))
 	fmt.Println("Reallocated_Sector_Ct: " + evalStrZero(getItemValue(rawattr.AtaSmartAttr.Table, "Reallocated_Sector_Ct")))
 
+	// todo further investigate if this smart attributes can occur within hdds/ssds
+	// https://www.backblaze.com/blog/what-smart-stats-indicate-hard-drive-failures/
+	fmt.Println("Reported_Uncorrect: " + evalStrZero(getItemValue(rawattr.AtaSmartAttr.Table, "Reported_Uncorrect")))
+	fmt.Println("Command_Timeout: " + evalStrZero(getItemValue(rawattr.AtaSmartAttr.Table, "Command_Timeout")))
+	fmt.Println("Current_Pending_Sector: " + evalStrZero(getItemValue(rawattr.AtaSmartAttr.Table, "Current_Pending_Sector")))
+	fmt.Println("Offline_Uncorrectable: " + evalStrZero(getItemValue(rawattr.AtaSmartAttr.Table, "Offline_Uncorrectable")))
+
 	// there are some additinoal hdd smart values
 	if isHdd {
 		rrerrrate = getItemValue(rawattr.AtaSmartAttr.Table, "Seek_Error_Rate")
@@ -102,19 +109,21 @@ func checkSmartAttributes(diskpath string, isSeagate bool, isHdd bool) {
 	}
 }
 
-func evalStrZero(nr uint64) string {
-	if nr == 0 {
+func evalStrZero(nr int64) string {
+	if nr < 0 {
+		return "N/A"
+	} else if nr == 0 {
 		return "\tPASS"
 	} else {
 		return fmt.Sprintf("\tFAIL :: raw value=%d", nr)
 	}
 }
 
-func getItemValue(arr []Item, name string) uint64 {
+func getItemValue(arr []Item, name string) int64 {
 	for i := range arr {
 		if arr[i].Name == name {
 			return arr[i].Raw.Value
 		}
 	}
-	return 0
+	return -1
 }