diff --git a/MediaType.cs b/MediaType.cs
index aa2239e..0079d64 100644
--- a/MediaType.cs
+++ b/MediaType.cs
@@ -781,6 +781,12 @@ namespace Aaru.CommonTypes
         GigaMo = 653,
         /// <summary>3,5", M.O., 1063146 sectors, 2048 bytes/sector, Cherry Book 2, GigaMo 2, ECMA-353, ISO 22533</summary>
         GigaMo2 = 654,
+        /// <summary>5,25", M.O., 1263472 sectors, 2048 bytes/sector, ISO 15286, 5.2Gb/cart</summary>
+        ISO_15286 = 655,
+        /// <summary>5,25", M.O., 2319786 sectors, 1024 bytes/sector, ISO 15286, 4.8Gb/cart</summary>
+        ISO_15286_1024 = 656,
+        /// <summary>5,25", M.O., ??????? sectors, 512 bytes/sector, ISO 15286, 4.1Gb/cart</summary>
+        ISO_15286_512 = 657,
         #endregion Magneto-optical, types 630 to 659
 
         #region Other floppy standards, types 660 to 689
diff --git a/MediaTypeFromDevice/FromOdc.cs b/MediaTypeFromDevice/FromOdc.cs
index a84227f..7ce4fec 100644
--- a/MediaTypeFromDevice/FromOdc.cs
+++ b/MediaTypeFromDevice/FromOdc.cs
@@ -160,6 +160,12 @@ namespace Aaru.CommonTypes
                                                        mediumType, blocks, blockSize);
 
                             return MediaType.ECMA_238;
+                        case 2319786:
+                            AaruConsole.DebugWriteLine("Media detection",
+                                                       "SCSI medium type is {0:X2}h, media has {1} blocks of {2} bytes, setting media type to ISO 15286 conforming 5¼\" magneto-optical.",
+                                                       mediumType, blocks, blockSize);
+
+                            return MediaType.ISO_15286_1024;
                         case 14476734:
                             AaruConsole.DebugWriteLine("Media detection",
                                                        "SCSI medium type is {0:X2}h, media has {1} blocks of {2} bytes, setting media type to ECMA-260 / ISO 15898 conforming 356mm magneto-optical.",
@@ -212,6 +218,12 @@ namespace Aaru.CommonTypes
                                                        mediumType, blocks, blockSize);
 
                             return MediaType.ECMA_280;
+                        case 1263472:
+                            AaruConsole.DebugWriteLine("Media detection",
+                                                       "SCSI medium type is {0:X2}h, media has {1} blocks of {2} bytes, setting media type to ISO 15286 conforming 5¼\" magneto-optical.",
+                                                       mediumType, blocks, blockSize);
+
+                            return MediaType.ISO_15286;
                         case 2043664:
                             AaruConsole.DebugWriteLine("Media detection",
                                                        "SCSI medium type is {0:X2}h, media has {1} blocks of {2} bytes, setting media type to ECMA-322 / ISO 22092 conforming 5¼\" magneto-optical.",
diff --git a/MediaTypeFromDevice/FromSbc.cs b/MediaTypeFromDevice/FromSbc.cs
index 77634bc..e6b11d2 100644
--- a/MediaTypeFromDevice/FromSbc.cs
+++ b/MediaTypeFromDevice/FromSbc.cs
@@ -755,6 +755,12 @@ namespace Aaru.CommonTypes
                                                        mediumType, blocks, blockSize);
 
                             return MediaType.ECMA_238;
+                        case 2319786 when mediumType == 0x01 || mediumType == 0x02:
+                            AaruConsole.DebugWriteLine("Media detection",
+                                                       "SCSI medium type is {0:X2}h, media has {1} blocks of {2} bytes, setting media type to ISO 15286 conforming 5¼\" magneto-optical.",
+                                                       mediumType, blocks, blockSize);
+
+                            return MediaType.ISO_15286_1024;
                         case 14476734 when mediumType == 0x01 || mediumType == 0x02:
                             AaruConsole.DebugWriteLine("Media detection",
                                                        "SCSI medium type is {0:X2}h, media has {1} blocks of {2} bytes, setting media type to ECMA-260 / ISO 15898 conforming 356mm magneto-optical.",
@@ -826,6 +832,12 @@ namespace Aaru.CommonTypes
                                                        mediumType, blocks, blockSize);
 
                             return MediaType.ECMA_280;
+                        case 1263472 when mediumType == 0x01 || mediumType == 0x02:
+                            AaruConsole.DebugWriteLine("Media detection",
+                                                       "SCSI medium type is {0:X2}h, media has {1} blocks of {2} bytes, setting media type to ISO 15286 conforming 5¼\" magneto-optical.",
+                                                       mediumType, blocks, blockSize);
+
+                            return MediaType.ISO_15286;
                         case 2043664 when mediumType == 0x01 || mediumType == 0x02:
                             AaruConsole.DebugWriteLine("Media detection",
                                                        "SCSI medium type is {0:X2}h, media has {1} blocks of {2} bytes, setting media type to ECMA-322 / ISO 22092 conforming 5¼\" magneto-optical.",
diff --git a/Metadata/Dimensions.cs b/Metadata/Dimensions.cs
index 27bcf07..6d659e7 100644
--- a/Metadata/Dimensions.cs
+++ b/Metadata/Dimensions.cs
@@ -200,6 +200,9 @@ namespace Aaru.CommonTypes.Metadata
                 case CommonTypes.MediaType.UDO:
                 case CommonTypes.MediaType.UDO2:
                 case CommonTypes.MediaType.UDO2_WORM:
+                case CommonTypes.MediaType.ISO_15286:
+                case CommonTypes.MediaType.ISO_15286_1024:
+                case CommonTypes.MediaType.ISO_15286_512:
                     // According to ECMA-183 et al
                     dmns.Height          = 153;
                     dmns.HeightSpecified = true;
diff --git a/Metadata/MediaType.cs b/Metadata/MediaType.cs
index ce58fd9..b60be8e 100644
--- a/Metadata/MediaType.cs
+++ b/Metadata/MediaType.cs
@@ -1858,6 +1858,13 @@ namespace Aaru.CommonTypes.Metadata
                     discType    = "5.25\" magneto-optical";
                     discSubType = "ECMA-322";
 
+                    break;
+                case CommonTypes.MediaType.ISO_15286:
+                case CommonTypes.MediaType.ISO_15286_1024:
+                case CommonTypes.MediaType.ISO_15286_512:
+                    discType    = "5.25\" magneto-optical";
+                    discSubType = "ISO-15286";
+
                     break;
                 case CommonTypes.MediaType.GigaMo:
                     discType    = "3.5\" magneto-optical";