Table
Byte | Bit | 7 | 6 | 5 |
| 4 |
| 3 |
| 2 |
| 1 |
| 0 |
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0 |
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| Operation | Code (40h) |
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1 |
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| Reserved |
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2 - 3 |
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| Page Length (2 + (8 x n)) |
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| (where n = number of sectors / LBA) |
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4 |
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| Reserved |
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| Supplied Format = |
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| 000b (LBA) |
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5 |
| RAREA | ALT- | ALT- |
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| Reserved |
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| Translate Format = |
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| SEC | TRK |
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| 101b (Physical Sector) | ||||
6 - 8 |
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| Translated Address (Cylinder Number)1 |
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9 |
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| Translated Address (Head Number)1 |
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10 - 13 |
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| Translated Address (Sector Number or Bytes From Index)1 |
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y - |
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| Translated Address (Cylinder Number) |
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y + 2 |
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| Where y = |
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y + 3 |
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| Translated Address (Head Number) |
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y + 4 |
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| Translated Address (Sector Number or Bytes From Index) |
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- |
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y + 7 |
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| Note: 1. Bytes 6 through 13: One set of these bytes is required for each | |
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| sector per Logical Block Address. |
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| Table |
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Field |
| Description |
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Supplied Format |
| The Supplied Format field specifies the format of the following Translate Address field. Must be |
| 000b, which specifies the LBA format. | |
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RAREA |
| Reserved Area is not used. Must be 0. |
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| An Alternate Sector bit of 1 indicates that the translated address from the SEND DIAGNOSTIC |
ALTSEC |
| command is physically located in an alternate sector on the disk. |
| When ALTSEC is 0, it indicates either that no part of the translated address is located in an alter- | |
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| nate sector of the medium or that the drive is unable to determine this information. |
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| An Alternate Track bit of 1 indicates either that part or all of the translated address is located on |
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| an alternate track of the medium or, the drive cannot determine if all or part of the translated ad- |
ALTTRK |
| dress is located on an alternate track. |
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| When ALTTRK is 0, it indicates that no part of the translated address is located on an alternate |
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| track of the medium |
Translate Format |
| The Translate Format field specifies the format into which the initiator wants the address translat- |
| ed. The value must be 101b, specifying the Physical Sector format. | |
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