Table 7: | Supported commands |
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Command name | Command code | Supported | |
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Verify (12) |
| AFh | N |
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Verify (16) |
| AFh | Y |
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Verify (32) |
| 7Fh/000Ah | N |
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Write (6) |
| 0Ah | Y |
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Write (10) |
| 2Ah | Y |
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DPO bit |
|
| Y |
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FUA bit |
|
| Y |
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Write (12) |
| AAh | N |
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Write (16) |
| 8Ah | Y |
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Write (32) |
| 7Fh/000Bh | N |
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| |
Write and Verify (10) | 2Eh | Y | |
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DPO bit |
|
| Y |
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| |
Write and Verify (12) | AEh | N | |
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Write and Verify (16) | 8Eh | Y | |
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Write and Verify (32) | 7Fh/000Ch | N | |
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Write Buffer (modes 0, 2, supported) | 3Bh | Y | |
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Write Buffer |
| 3Bh |
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Firmware Download option (modes 5, 7, Ah and Bh) [3] |
| Y | |
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| |
Firmware Download option (modes 4, 5, 7) |
| Y (SED drives only) | |
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Write Long (10) | 3Fh | Y | |
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Write Long (16) | 9Fh/11h | Y | |
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Write Same (10) [5] | 41h | Y | |
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PBdata |
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| N |
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LBdata |
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| N |
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Write Same (16) [5] | 93h | Y | |
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Write Same (32) | 7Fh/000Dh | N | |
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XDRead |
| 52h | N |
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XDWrite |
| 50h | N |
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XPWrite |
| 51h | N |
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[1]Constellation.2 drives can format to 512, 520 or 528 bytes per logical block.
[2]Warning. Power loss during flash programming can result in firmware corruption. This usually makes the drive inoperable.
[3]Reference Mode Sense command 1Ah for mode pages supported.
[4]Y = Yes. Command is supported.
N = No. Command is not supported.
A = Support is available on special request.
[5]Approximately 1.5 increase in time to complete this command for a SED drive versus a
Constellation.2 SAS Product Manual, Rev. H | 57 |
