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5.38SEND DIAGNOSTIC Command (1Dh)
The SEND DIAGNOSTIC command sends a diagnostic page to the drive. Refer to the RECEIVE DIAGNOSTICS RESULTS command for a description of the diagnostic pages and the use of the diagnostic commands. The Supported Diagnostic Page List (Table
Table
Bit | 7 | 6 | 5 | 4 |
| 3 | 2 | 1 | 0 |
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0 |
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| Operation Code (1Dh) |
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1 |
| Function |
| PF |
| Rsvd | Self | DevOnl | UnitOfl |
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| Test | ||||||
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2 |
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| Reserved |
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3 - 4 |
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| Parameter List Length |
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5 |
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| Control |
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Field |
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| When the SelfTest bit is set to one, the Function code field is 000b. When the SelfTest bit is |
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| cleared to zero, the content of the Function code field is specified as follows: |
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| 000b: Value to be used when the SelfTest bit is set to one or if the SEND DIAGNOSTIC command |
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| is not invoking one of the other |
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| 001b: Background short |
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| ground mode. |
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| 010b: Background extended self test. The device server will start its extended |
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| the background mode. |
Function |
| 011b: Reserved |
| 100b: Abort background | |
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| value is only valid if a previous SEND DIAGNOSTIC command specified a Background |
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| function and that function has not completed. If either of these conditions is not true, then the de- |
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| vice server will respond by returning a CHECK CONDITION with a sense key of NOT READY |
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| and an additional sense code of LOGICAL UNIT NOT READY, |
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| 101b: Foreground short |
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| ground mode |
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| 110b: Foreground extended |
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| the foreground mode |
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| 111b: Reserved |
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| Page Format. When the PF bit is 1, the parameters that follow conform to the Supported Diagnos- |
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PF |
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| SelfTest is ignored when PF = 1. | |
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| The PF bit must be 1 if Parameter List Length is not 0. |
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Maxtor Atlas 10K V |