<div class="content" name="NTMS_MEDIATYPEINFORMATION" uuid="f32107a6-d8de-44f9-9d99-24f72f7fe3e9"><p>The NTMS_MEDIATYPEINFORMATION structure defines the
properties specific to a type of media supported by RSM.</p><dl>
<dd>
<div><pre> typedef struct _NTMS_MEDIATYPEINFORMATION {
   DWORD MediaType;
   DWORD NumberOfSides;
   DWORD ReadWriteCharacteristics;
   DWORD DeviceType;
 } NTMS_MEDIATYPEINFORMATION;
</pre></div>
</dd></dl><p><b>MediaType:</b>  Each disk or tape driver
reports the media type enumeration value of the medium that is currently <a href="8d988f06-72be-47cf-9e09-9060aa8ed897#gt_cc98b88f-7fd4-40f6-b315-212dc4d8378b" data-linktype="relative-path">mounted</a> in the <a href="8d988f06-72be-47cf-9e09-9060aa8ed897#gt_1112c690-ee01-4c9b-aa55-9569fd82178b" data-linktype="relative-path">drive</a>. This media type
value MUST be unique, and is mapped to a human-readable string in the object <b>szName</b>
member of a <a href="9252e471-a237-453a-9727-dbff3c125510" data-linktype="relative-path">NTMS_OBJECTINFORMATIONA</a>
or <a href="7a583c21-ca5c-4de4-9b65-96f2e1261625" data-linktype="relative-path">NTMS_OBJECTINFORMATIONW</a>
structure.</p><p><b>MediaType</b> MUST be one of the following values.</p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Value</p>
   </th>
   <th>
   <p>Meaning</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>DDS_4mm 0x00000020</td>
  <td>Tape - DAT, DDS1, DDS2, and so on (all vendors)</td>
 </tr><tr>
  <td>MiniQic 0x00000021</td>
  <td>Tape - miniQIC tape</td>
 </tr><tr>
  <td>Travan 0x00000022</td>
  <td>Tape - Travan tape (TR-1, TR-2, TR-3, and so on)</td>
 </tr><tr>
  <td>QIC 0x00000023</td>
  <td>Tape - QIC tape</td>
 </tr><tr>
  <td>MP_8mm 0x00000024</td>
  <td>Tape - 8 mm Exabyte metal particle tape</td>
 </tr><tr>
  <td>AME_8mm 0x00000025</td>
  <td>Tape - 8 mm Exabyte advanced metal evaporative tape</td>
 </tr><tr>
  <td>AIT1_8mm 0x00000026</td>
  <td>Tape - 8 mm Sony AIT</td>
 </tr><tr>
  <td>DLT 0x00000027</td>
  <td>Tape - DLT compact tape (IIIxt or IV)</td>
 </tr><tr>
  <td>NCTP 0x00000028</td>
  <td>Tape - Philips NCTP tape</td>
 </tr><tr>
  <td>IBM_3480 0x00000029</td>
  <td>Tape - IBM 3480 tape</td>
 </tr><tr>
  <td>IBM_3490E 0x0000002a</td>
  <td>Tape - IBM 3490E tape</td>
 </tr><tr>
  <td>IBM_Magstar_3590 0x0000002b</td>
  <td>Tape - IBM Magstar 3590 tape</td>
 </tr><tr>
  <td>IBM_Magstar_MP 0x0000002c</td>
  <td>Tape - IBM Magstar MP tape</td>
 </tr><tr>
  <td>STK_DATA_D3 0x0000002d</td>
  <td>Tape - STK Data D3 tape</td>
 </tr><tr>
  <td>SONY_DTF 0x0000002e</td>
  <td>Tape - Sony DTF tape</td>
 </tr><tr>
  <td>DV_6mm 0x0000002f</td>
  <td>Tape - 6 mm digital video tape</td>
 </tr><tr>
  <td>DMI 0x00000030</td>
  <td>Tape - Exabyte DMI tape and compatibles</td>
 </tr><tr>
  <td>SONY_D2 0x00000031</td>
  <td>Tape - Sony D2S and D2L tape</td>
 </tr><tr>
  <td>CLEANER_CARTRIDGE 0x00000032</td>
  <td>Cleaner (all drive types that support drive cleaners)</td>
 </tr><tr>
  <td>CD_ROM 0x00000033</td>
  <td>Optical disk - CD</td>
 </tr><tr>
  <td>CD_R 0x00000034</td>
  <td>Optical disk - CD-Recordable (write once)</td>
 </tr><tr>
  <td>CD_RW 0x00000035</td>
  <td>Optical disk - CD-Rewritable</td>
 </tr><tr>
  <td>DVD_ROM 0x00000036</td>
  <td>Optical disk - DVD-ROM</td>
 </tr><tr>
  <td>DVD_R 0x00000037</td>
  <td>Optical disk - DVD-Recordable (write once)</td>
 </tr><tr>
  <td>DVD_RW 0x00000038</td>
  <td>Optical disk - DVD-Rewritable</td>
 </tr><tr>
  <td>MO_3_RW 0x00000039</td>
  <td>Optical disk - 3.5 inch rewritable MO disk</td>
 </tr><tr>
  <td>MO_5_WO 0x0000003a</td>
  <td>Optical disk - MO 5.25 inch write once</td>
 </tr><tr>
  <td>MO_5_RW 0x0000003b</td>
  <td>Optical disk - MO 5.25 inch rewritable (not LIMDOW)</td>
 </tr><tr>
  <td>MO_5_LIMDOW 0x0000003c</td>
  <td>Optical disk - MO 5.25 inch rewritable (LIMDOW)</td>
 </tr><tr>
  <td>PC_5_WO 0x0000003d</td>
  <td>Optical disk - Phase change 5.25 inch write once optical</td>
 </tr><tr>
  <td>PC_5_RW 0x0000003e</td>
  <td>Optical disk - Phase change 5.25 inch rewritable</td>
 </tr><tr>
  <td>PD_5_RW 0x0000003f</td>
  <td>Optical disk - Phase change dual rewritable</td>
 </tr><tr>
  <td>ABL_5_WO 0x00000040</td>
  <td>Optical disk - Ablative 5.25 inch write once optical</td>
 </tr><tr>
  <td>PINNACLE_APEX_5_RW 0x00000041</td>
  <td>Optical disk - Pinnacle Apex 4.6GB rewritable optical</td>
 </tr><tr>
  <td>SONY_12_WO 0x00000042</td>
  <td>Optical disk - Sony 12 inch write once</td>
 </tr><tr>
  <td>PHILIPS_12_WO 0x00000043</td>
  <td>Optical disk - Philips/LMS 12 inch write once</td>
 </tr><tr>
  <td>HITACHI_12_WO 0x00000044</td>
  <td>Optical disk - Hitachi 12 inch write once</td>
 </tr><tr>
  <td>CYGNET_12_WO 0x00000045</td>
  <td>Optical disk - Cygnet/ATG 12 inch write once</td>
 </tr><tr>
  <td>KODAK_14_WO 0x00000046</td>
  <td>Optical disk - Kodak 14 inch write once</td>
 </tr><tr>
  <td>MO_NFR_525 0x00000047</td>
  <td>Optical disk - Near field recording (Terastor)</td>
 </tr><tr>
  <td>NIKON_12_RW 0x00000048</td>
  <td>Optical disk - Nikon 12 inch rewritable</td>
 </tr><tr>
  <td>IOMEGA_ZIP 0x00000049</td>
  <td>Magnetic disk - Iomega Zip</td>
 </tr><tr>
  <td>IOMEGA_JAZ 0x0000004a</td>
  <td>Magnetic disk - Iomega Jaz</td>
 </tr><tr>
  <td>SYQUEST_EZ135 0x0000004b</td>
  <td>Magnetic disk - Syquest EZ135</td>
 </tr><tr>
  <td>SYQUEST_EZFLYER 0x0000004c</td>
  <td>Magnetic disk - Syquest EzFlyer</td>
 </tr><tr>
  <td>SYQUEST_SYJET 0x0000004d</td>
  <td>Magnetic disk - Syquest SyJet</td>
 </tr><tr>
  <td>AVATAR_F2 0x0000004e</td>
  <td>Magnetic disk - 2.5 inch floppy</td>
 </tr><tr>
  <td>MP2_8mm 0x0000004f</td>
  <td>Tape - 8 millimeter Hitachi tape</td>
 </tr><tr>
  <td>DST_S 0x00000050</td>
  <td>Ampex DST small tapes</td>
 </tr><tr>
  <td>DST_M 0x00000051</td>
  <td>Ampex DST medium tapes</td>
 </tr><tr>
  <td>DST_L 0x00000052</td>
  <td>Ampex DST large tapes</td>
 </tr><tr>
  <td>VXATape_1 0x00000053</td>
  <td>Ecrix 8 millimeter tape</td>
 </tr><tr>
  <td>VXATape_2 0x00000054</td>
  <td>Ecrix 8 millimeter tape</td>
 </tr><tr>
  <td>STK_9840 0x00000055</td>
  <td>STK 9840</td>
 </tr><tr>
  <td>LTO_Ultrium 0x00000056</td>
  <td>IBM, HP, Seagate LTO Ultrium</td>
 </tr><tr>
  <td>LTO_Accelis 0x00000057</td>
  <td>IBM, HP, Seagate LTO Accelis</td>
 </tr><tr>
  <td>DVD_RAM 0x00000058</td>
  <td>Optical disk - DVD-RAM</td>
 </tr><tr>
  <td>AIT_8mm 0x00000059</td>
  <td>AIT2 or higher</td>
 </tr><tr>
  <td>ADR_1 0x0000005a</td>
  <td>OnStream ADR Mediatypes</td>
 </tr><tr>
  <td>ADR_2 0x0000005b</td>
  <td>OnStream ADR Mediatypes</td>
 </tr><tr>
  <td>STK_9940 0x0000005c</td>
  <td>STK 9940</td>
 </tr><tr>
  <td>SAIT 0x0000005d</td>
  <td>SAIT tapes</td>
 </tr></tbody></table>
</dd></dl><p><b>NumberOfSides:</b>  The number of <a href="8d988f06-72be-47cf-9e09-9060aa8ed897#gt_55db62c5-a84f-43b7-a037-b44ecd8fb92f" data-linktype="relative-path">sides</a> on the media. </p><p><b>ReadWriteCharacteristics:</b>  Identifies
the read/write characteristics of the media type. This MUST be one of the
following values.</p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Value</p>
   </th>
   <th>
   <p>Meaning</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>NTMS_MEDIARW_UNKNOWN 0x00000000</td>
  <td>Unknown media characteristics. This value can be used to initialize ReadWriteCharacteristics before a final value is assigned.</td>
 </tr><tr>
  <td>NTMS_MEDIARW_REWRITABLE 0x00000001</td>
  <td>Media that can be written to more than once. This includes magnetic tape, magnetic disk, and some optical disk media.</td>
 </tr><tr>
  <td>NTMS_MEDIARW_WRITEONCE 0x00000002</td>
  <td>Media that can be written to only one time. Some optical media (for example, 5.25-inch, 12-inch, 14-inch WORM, and CD-R) are designed to be write-once.</td>
 </tr><tr>
  <td>NTMS_MEDIARW_READONLY 0x00000003</td>
  <td>Media that cannot be written to, such as a CD-ROM and a DVD-ROM.</td>
 </tr></tbody></table>
</dd></dl><p><b>DeviceType:</b>  The SCSI device type <a href="https://go.microsoft.com/fwlink/?LinkId=90512" data-linktype="external">[ANSI-131-1994]</a> as
reported from device inquiry data. This MUST be one of the following values.</p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Value</p>
   </th>
   <th>
   <p>Meaning</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>FILE_DEVICE_CD_ROM 0x00000002</td>
  <td>CD-ROM device.</td>
 </tr><tr>
  <td>FILE_DEVICE_DISK 0x00000007</td>
  <td>Direct-access device.</td>
 </tr><tr>
  <td>FILE_DEVICE_TAPE 0x0000001F</td>
  <td>Sequential-access device.</td>
 </tr></tbody></table>
</dd></dl><p> </p></div>