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7K200 SATA OEM Specification
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Register Default Value
Error Diagnostic Code
Sector Count 01h
LBA Low 01h
LBA Mid 00h
LBA High 00h
Device 00h
Status 50h
Alternate Status 50h
Table 30 Default Register Values
The meaning of the Error Register diagnostic codes resulting from power on, COMRESET or the
Execute Device Diagnostic command are shown in the following table.
Code Description
01h No error Detected
02h Formatter device error
03h Sector buffer error
04h Ecc circuitry error
05h Controller microprocessor error
Table 31 Diagnostic Codes
12.2 Diagnostic and Reset considerations
The Set Max password, the Set Max security mode and the Set Max unlock counter don’t retain over
a Power On Reset but persist over a COMRESET or Soft Reset.
For each Reset and Execute Device Diagnostic, the Diagnostic is done as follows:
Execute Device Diagnostic
In all the above cases: Power on, COMRESET, Soft reset, and the EXECUTE DEVICE
DIAGNOSTIC command the Error register is shown in the following table.
Device 0 Passed Error Register
Yes 01h
No 0xh
Where x indicates the appropriate Diagnostic Code for the Power on, COMRESET, Soft reset, or Device
Diagnostic error.
Table 32 Reset error register values