12.APPENDIX E: Medium Auxiliary Memory Attribute
12.4.4.Standard Medium Type Attributes
Medium type attributes (Table
Table 12-10: Medium Common Attributes
ID | Attribute Name | #Bytes | Format |
0400h | MEDIUM MANUFACTURER | 8 | ASCII |
0401h | MEDIUM SERIAL NUMBER | 32 | ASCII |
0402h | MEDIUM LENGTH | 4 | Binary |
0403h | MEDIUM WIDTH | 4 | Binary |
0404h | ASSIGNING ORGANIZATION | 8 | ASCII |
0405h | MEDIUM DENSITY CODE | 1 | Binary |
0406h | MEDIUM MANUFACTURE DATE | 8 | ASCII |
0407h | MAM CAPACITY | 8 | Binary |
0408h | MEDIUM TYPE | 1 | Binary |
0409h | MEDIUM TYPE INFORMATION | 2 | Binary |
040Ah – 07FFh | Reserved |
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0400h MEDIUM MANUFACTURER: This attribute value contains eight bytes of ACSII data identifying the vendor of the media.
Note: It is intended that the MEDIUM MANUFACTURER attribute provide a unique vendor identification of the manufacturer of the media. In the absence of a formal registration procedure, T10 maintains a list of known vendor identification codes in use. Vendors are requested to voluntarily submit their identification codes to T10 to prevent duplication of codes.
0402h MEDIUM LENGTH: This attribute value specifies the length of the medium in meters. A value of 00h specifies that the length of the medium is undefined.
0403h MEDIUM WIDTH: This attribute value specifies the width of the medium supported by this density. This field has units of tenths of millimeters. The value in this field will be rounded up if the fractional value of the actual value is greater than or equal to 0.5. The MEDIUM WIDTH field may vary for a given density depending on the mounted medium. A value of 00h specifies the width of the medium is undefined.
0404h ASSIGNING ORGANIZATION: This attribute value identifies the organization responsible for the specifications defining the values in the MEDIUM DENSITY CODE attribute. The ASSIGNING ORGANIZATION field willl contain a value listed in the vendor identification list.
The MEDIUM SERIAL NUMBER identifies the manufacturer’s serial number for the medium.
The MEDIUM DENSITY CODE is the same numeric DENSITY CODE as reported in the SCSI Mode Block Descriptor.
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