5.41SYNCHRONIZE CACHE Command (35h)
The SYNCHRONIZE CACHE command ensures that all logical blocks, within the specified range in the drive's cache memory, have their most recent data value recorded on the physical medium. If more recent data for a logical block, within the specified range, exists in the cache memory than on the physical medium, then the logical blocks from the cache memory is written to the physical medium. Logical blocks are not necessarily removed from the cache as a result of the Synchronize Cache operation. The data format and field descriptions are shown in Table
Table
Bit | 7 | 6 | 5 |
| 4 |
| 3 | 2 | 1 | 0 |
Byte |
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0 |
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| Operation | Code (35h) |
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1 |
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| Immed | RelAdr | |
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2 - 5 |
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| Logical Block Address |
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6 |
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7 - 8 |
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| Number of Blocks |
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9 |
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| Control |
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Table
Field | Description | |
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Immed | Immediate. Must be 0. The drive returns status after the synchronize cache operation has | |
been completed. | ||
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RelAdr | Relative Address. Must be 0. Relative addressing is not supported. | |
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Logical Block | The address of the first logical sector of the range to be operated upon by this command. | |
Address | ||
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| Specifies the total number of contiguous logical blocks within the range. When set to 0, | |
| the drive removes all sectors from the given Logical Block Address on. | |
Number of | When Number of Blocks and Logical Block Address are both 0, the drive removes all un- | |
Blocks | written cache sectors to the medium. | |
| It is not considered an error when no sectors within the specified range are in the cache | |
| memory. |
Maxtor Atlas 10K V |