diff --git a/Aaru.Devices/Device/AtaCommands/AtaCHS.cs b/Aaru.Devices/Device/AtaCommands/AtaCHS.cs
index f2ce34b3e..139d4f081 100644
--- a/Aaru.Devices/Device/AtaCommands/AtaCHS.cs
+++ b/Aaru.Devices/Device/AtaCommands/AtaCHS.cs
@@ -74,11 +74,12 @@ public partial class Device
 
         var registers = new AtaRegistersChs
         {
-            Command = (byte)AtaCommands.IdentifyDevice
+            Command = (byte)AtaCommands.IdentifyDevice,
+            SectorCount = 1
         };
 
-        LastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.PioIn, AtaTransferRegister.NoTransfer,
-                                   ref buffer, timeout, false, out duration, out bool sense);
+        LastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.PioIn, AtaTransferRegister.SectorCount,
+                                   ref buffer, timeout, true, out duration, out bool sense);
 
         Error = LastError != 0;
 
diff --git a/Aaru.Devices/Device/AtaCommands/Atapi.cs b/Aaru.Devices/Device/AtaCommands/Atapi.cs
index 3bad3125c..e70801ab5 100644
--- a/Aaru.Devices/Device/AtaCommands/Atapi.cs
+++ b/Aaru.Devices/Device/AtaCommands/Atapi.cs
@@ -73,11 +73,12 @@ public partial class Device
 
         var registers = new AtaRegistersChs
         {
-            Command = (byte)AtaCommands.IdentifyPacketDevice
+            Command = (byte)AtaCommands.IdentifyPacketDevice,
+            Sector = 1
         };
 
-        LastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.PioIn, AtaTransferRegister.NoTransfer,
-                                   ref buffer, timeout, false, out duration, out bool sense);
+        LastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.PioIn, AtaTransferRegister.SectorCount,
+                                   ref buffer, timeout, true, out duration, out bool sense);
 
         Error = LastError != 0;