diff --git a/CICMMetadata b/CICMMetadata
index ab5967fcf..3df79256d 160000
--- a/CICMMetadata
+++ b/CICMMetadata
@@ -1 +1 @@
-Subproject commit ab5967fcfff5c05ce34c66a5a530ce394aac6276
+Subproject commit 3df79256d41193469126aedf9723021b7477a057
diff --git a/DiscImageChef.CommonTypes/ChangeLog b/DiscImageChef.CommonTypes/ChangeLog
index 0281a4d4b..a40db0177 100644
--- a/DiscImageChef.CommonTypes/ChangeLog
+++ b/DiscImageChef.CommonTypes/ChangeLog
@@ -1,3 +1,8 @@
+2016-10-12  Natalia Portillo  <claunia@claunia.com>
+
+	* MediaTypeFromSCSI.cs: Added DDS-2, DDS-3, DDS-4 with no
+	medium type code.
+
 2016-08-21  Natalia Portillo  <claunia@claunia.com>
 
 	* MediaType.cs: Added missing NEC and SHARP floppy types.
diff --git a/DiscImageChef.CommonTypes/MediaTypeFromSCSI.cs b/DiscImageChef.CommonTypes/MediaTypeFromSCSI.cs
index fe5e76711..39f6660b3 100644
--- a/DiscImageChef.CommonTypes/MediaTypeFromSCSI.cs
+++ b/DiscImageChef.CommonTypes/MediaTypeFromSCSI.cs
@@ -639,6 +639,12 @@ namespace DiscImageChef.CommonTypes
                                         return MediaType.QIC120;
                                     case 0x10:
                                         return MediaType.QIC150;
+                                    case 0x24:
+                                        return MediaType.DDS2;
+                                    case 0x25:
+                                        return MediaType.DDS3;
+                                    case 0x26:
+                                        return MediaType.DDS4;
                                     case 0x28:
                                         return MediaType.IBM3490E;
                                     case 0x40:
diff --git a/DiscImageChef.Devices/ChangeLog b/DiscImageChef.Devices/ChangeLog
index db39e5f8a..c48cfdde2 100644
--- a/DiscImageChef.Devices/ChangeLog
+++ b/DiscImageChef.Devices/ChangeLog
@@ -1,3 +1,11 @@
+2016-10-12  Natalia Portillo  <claunia@claunia.com>
+
+	* SPC.cs: Added REQUEST SENSE command.
+
+	* SSC.cs: Added SPACE command.
+
+	* Enums.cs: Added enumeration for SPACE command codes.
+
 2016-10-10  Natalia Portillo  <claunia@claunia.com>
 
 	* SPC.cs: Corrected buffer size for MODE SENSE (6)
diff --git a/DiscImageChef.Devices/Device/ScsiCommands/SPC.cs b/DiscImageChef.Devices/Device/ScsiCommands/SPC.cs
index 0b413b6e8..298d493a7 100644
--- a/DiscImageChef.Devices/Device/ScsiCommands/SPC.cs
+++ b/DiscImageChef.Devices/Device/ScsiCommands/SPC.cs
@@ -774,6 +774,34 @@ namespace DiscImageChef.Devices
 
             return sense;
         }
+
+        public bool RequestSense(out byte[] buffer, uint timeout, out double duration)
+        {
+            return RequestSense(false, out buffer, timeout, out duration);
+        }
+
+        public bool RequestSense(bool descriptor, out byte[] buffer, uint timeout, out double duration)
+        {
+            byte[] senseBuffer = new byte[32];
+            byte[] cdb = new byte[6];
+            buffer = new byte[252];
+            bool sense;
+
+            cdb[0] = (byte)ScsiCommands.RequestSense;
+            if(descriptor)
+                cdb[1] = 0x01;
+            cdb[2] = 0;
+            cdb[3] = 0;
+            cdb[4] = (byte)buffer.Length;
+            cdb[5] = 0;
+
+            lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out sense);
+            error = lastError != 0;
+
+            DicConsole.DebugWriteLine("SCSI Device", "REQUEST SENSE took {0} ms.", duration);
+
+            return sense;
+        }
     }
 }
 
diff --git a/DiscImageChef.Devices/Device/ScsiCommands/SSC.cs b/DiscImageChef.Devices/Device/ScsiCommands/SSC.cs
index 47961d3c1..baeb01b51 100644
--- a/DiscImageChef.Devices/Device/ScsiCommands/SSC.cs
+++ b/DiscImageChef.Devices/Device/ScsiCommands/SSC.cs
@@ -978,6 +978,28 @@ namespace DiscImageChef.Devices
 
             return sense;
         }
+
+        public bool Space(out byte[] senseBuffer, SscSpaceCodes code, int count, uint timeout, out double duration)
+        {
+            senseBuffer = new byte[32];
+            byte[] cdb = new byte[6];
+            byte[] buffer = new byte[0];
+            bool sense;
+            byte[] count_b = BitConverter.GetBytes(count);
+
+            cdb[0] = (byte)ScsiCommands.Space;
+            cdb[1] = (byte)((byte)code & 0x0F);
+            cdb[2] = count_b[2];
+            cdb[3] = count_b[1];
+            cdb[4] = count_b[0];
+
+            lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.None, out duration, out sense);
+            error = lastError != 0;
+
+            DicConsole.DebugWriteLine("SCSI Device", "SPACE took {0} ms.", duration);
+
+            return sense;
+        }
     }
 }
 
diff --git a/DiscImageChef.Devices/Enums.cs b/DiscImageChef.Devices/Enums.cs
index c76f416f5..76565b865 100644
--- a/DiscImageChef.Devices/Enums.cs
+++ b/DiscImageChef.Devices/Enums.cs
@@ -3432,5 +3432,28 @@ namespace DiscImageChef.Devices
         /// </summary>
         Half = 7
     }
+
+    // TODO: Check obsoletes
+    public enum SscSpaceCodes : byte
+    {
+        /// <summary>
+        /// Logical blocks
+        /// </summary>
+        LogicalBlock = 0,
+        /// <summary>
+        /// Filemarks
+        /// </summary>
+        Filemark = 1,
+        /// <summary>
+        /// Sequential filemarks
+        /// </summary>
+        SequentialFilemark = 2,
+        /// <summary>
+        /// End-of-data
+        /// </summary>
+        EndOfData = 3,
+        Obsolete1 = 4,
+        Obsolete2 = 5
+    }
 }
 
diff --git a/DiscImageChef.Metadata/ChangeLog b/DiscImageChef.Metadata/ChangeLog
index b11241aad..ef4f38002 100644
--- a/DiscImageChef.Metadata/ChangeLog
+++ b/DiscImageChef.Metadata/ChangeLog
@@ -1,3 +1,7 @@
+2016-10-12  Natalia Portillo  <claunia@claunia.com>
+
+	* MediaType.cs: Added support for DDS, DDS-2, DDS-3, DDS-4.
+
 2016-08-09  Natalia Portillo  <claunia@claunia.com>
 
 	* DiscImageChef.Metadata.csproj: Bumped version to 3.2.99.2.
diff --git a/DiscImageChef.Metadata/MediaType.cs b/DiscImageChef.Metadata/MediaType.cs
index e8c7137f5..b9fb4fc81 100644
--- a/DiscImageChef.Metadata/MediaType.cs
+++ b/DiscImageChef.Metadata/MediaType.cs
@@ -679,6 +679,22 @@ namespace DiscImageChef.Metadata
                     DiscType = "HDD";
                     DiscSubType = "Priam DataTower";
                     break;
+                case CommonTypes.MediaType.DDS1:
+                    DiscType = "DDS";
+                    DiscSubType = "DDS";
+                    break;
+                case CommonTypes.MediaType.DDS2:
+                    DiscType = "DDS";
+                    DiscSubType = "DDS-2";
+                    break;
+                case CommonTypes.MediaType.DDS3:
+                    DiscType = "DDS";
+                    DiscSubType = "DDS-3";
+                    break;
+                case CommonTypes.MediaType.DDS4:
+                    DiscType = "DDS";
+                    DiscSubType = "DDS-4";
+                    break;
                 default:
                     DiscType = "Unknown";
                     DiscSubType = "Unknown";