diff --git a/src/EfuseManager/ViewModels/EfuseMapViewModel.cs b/src/EfuseManager/ViewModels/EfuseMapViewModel.cs
index d4aa1d6..5d3928b 100644
--- a/src/EfuseManager/ViewModels/EfuseMapViewModel.cs
+++ b/src/EfuseManager/ViewModels/EfuseMapViewModel.cs
@@ -32,14 +32,10 @@ public EfuseMapViewModel()
 
         BeslEnable = new OneBitValueViewModel(0xD6, 3, Bytes);
 
-        Pa2gA = new OneBitValueViewModel(0xBC, 4, Bytes);
-        Pa2gB = new OneBitValueViewModel(0xBC, 5, Bytes);
-        Pa2gC = new OneBitValueViewModel(0xBC, 6, Bytes);
-        Pa2gD = new OneBitValueViewModel(0xBC, 7, Bytes);
-        Pa5gA = new OneBitValueViewModel(0xBC, 0, Bytes);
-        Pa5gB = new OneBitValueViewModel(0xBC, 1, Bytes);
-        Pa5gC = new OneBitValueViewModel(0xBC, 2, Bytes);
-        Pa5gD = new OneBitValueViewModel(0xBC, 3, Bytes);
+        Pa2gA = new OneBitValueViewModel(0xBC, 4, Bytes, true);
+        Pa2gB = new OneBitValueViewModel(0xBC, 5, Bytes, true);
+        Pa5gA = new OneBitValueViewModel(0xBC, 0, Bytes, true);
+        Pa5gB = new OneBitValueViewModel(0xBC, 1, Bytes, true);
     }
 
     public List<EfuseByteViewModel> Bytes { get; } = new();
@@ -68,13 +64,9 @@ public EfuseMapViewModel()
 
     public OneBitValueViewModel Pa2gA { get; }
     public OneBitValueViewModel Pa2gB { get; }
-    public OneBitValueViewModel Pa2gC { get; }
-    public OneBitValueViewModel Pa2gD { get; }
 
     public OneBitValueViewModel Pa5gA { get; }
     public OneBitValueViewModel Pa5gB { get; }
-    public OneBitValueViewModel Pa5gC { get; }
-    public OneBitValueViewModel Pa5gD { get; }
 
     public void LoadData(byte[] efuseMap)
     {
diff --git a/src/EfuseManager/ViewModels/OneBitValueViewModel.cs b/src/EfuseManager/ViewModels/OneBitValueViewModel.cs
index ed0f46e..8186724 100644
--- a/src/EfuseManager/ViewModels/OneBitValueViewModel.cs
+++ b/src/EfuseManager/ViewModels/OneBitValueViewModel.cs
@@ -5,15 +5,18 @@ namespace EfuseManager.ViewModels;
 public class OneBitValueViewModel : ObservableObject
 {
     private readonly int _bitNumber;
+    private readonly bool _byteFfIsZero;
     private readonly EfuseByteViewModel _byteViewModel;
     private bool _boolValue;
 
     public OneBitValueViewModel(
         int offset,
         int bitNumber,
-        List<EfuseByteViewModel> map)
+        List<EfuseByteViewModel> map,
+        bool byteFfIsZero = false)
     {
         _bitNumber = bitNumber;
+        _byteFfIsZero = byteFfIsZero;
         _byteViewModel = map[offset];
         _byteViewModel.Loaded += ByteViewModelOnLoaded;
         UpdateValue();
@@ -33,7 +36,13 @@ private void ByteViewModelOnLoaded(object? sender, EventArgs e)
 
     private void UpdateValue()
     {
-        BoolValue = GetBit(_byteViewModel.ActualValue, _bitNumber);
+        var value = _byteViewModel.ActualValue;
+        if (_byteFfIsZero && value == 0xFF)
+        {
+            value = 0;
+        }
+
+        BoolValue = GetBit(value, _bitNumber);
     }
 
     private static bool GetBit(byte b, int bitNumber)
diff --git a/src/EfuseManager/Views/EfuseView.xaml b/src/EfuseManager/Views/EfuseView.xaml
index 7d6a1ad..8a64053 100644
--- a/src/EfuseManager/Views/EfuseView.xaml
+++ b/src/EfuseManager/Views/EfuseView.xaml
@@ -42,16 +42,12 @@
             <GroupBox Header="PA; 0 internal; 1 external" Margin="0,4,0,0">
                 <StackPanel Orientation="Horizontal">
                     <StackPanel Orientation="Vertical">
-                        <CheckBox Margin="0,2,2,0" Content="2G patch-D" IsChecked="{Binding Pa2gD.BoolValue}"/>
-                        <CheckBox Margin="0,2,2,0" Content="2G patch-C" IsChecked="{Binding Pa2gC.BoolValue}"/>
-                        <CheckBox Margin="0,2,2,0" Content="2G patch-B" IsChecked="{Binding Pa2gB.BoolValue}"/>
                         <CheckBox Margin="0,2,2,0" Content="2G patch-A" IsChecked="{Binding Pa2gA.BoolValue}"/>
+                        <CheckBox Margin="0,2,2,0" Content="2G patch-B" IsChecked="{Binding Pa2gB.BoolValue}"/>
                     </StackPanel>
                     <StackPanel Orientation="Vertical" Margin="10,0,0,0">
-                        <CheckBox Margin="0,6,2,0" Content="5G patch-D" IsChecked="{Binding Pa5gD.BoolValue}"/>
-                        <CheckBox Margin="0,2,2,0" Content="5G patch-C" IsChecked="{Binding Pa5gC.BoolValue}"/>
+                        <CheckBox Margin="0,2,2,0" Content="5G patch-A" IsChecked="{Binding Pa5gA.BoolValue}"/>
                         <CheckBox Margin="0,2,2,0" Content="5G patch-B" IsChecked="{Binding Pa5gB.BoolValue}"/>
-                        <CheckBox Margin="0,2,2,0" Content="5G patch-D" IsChecked="{Binding Pa5gA.BoolValue}"/>
                     </StackPanel>
 
                 </StackPanel>