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0A79102
7K500 OEM Specification
Page 52 of 176
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.
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
12.2
12.2
12.2 Diagnostic and Reset considerations
Diagnostic and Reset considerations
Diagnostic and Reset considerations
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.
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.
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.
Diagnostic error.
Table 32 Reset error register values