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Z5K500 OEM Specifications
81
14.4 Execute Device Diagnostic (90h)
Command Block Output Registers
Command Block Input Registers
Register
7 6 5 4 3 2 1 0 Register
7 6 5 4 3 2 1 0
Data
- - - - -
-
-
- Data
- - - - - -
-
-
Feature
- - - - -
-
-
- Error
...See
Below...
Sector
Count
- - - - -
-
-
- Sector
Count
- - - - - -
-
-
LBA
Low
- - - - -
-
-
- LBA
Low
- - - - - -
-
-
LBA
Mid
- - - - -
-
-
- LBA
Mid
- - - - - -
-
-
LBA
High
- - - - -
-
-
- LBA
High
- - - - - -
-
-
Device
- - - - -
-
-
- Device
- - - - - -
-
-
Command
1 0 0 1 0 0 0 0 Status
...See
Below...
Error Register
Status Register
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
CRC UNC 0
IDN
0
ABT T0N AMN BSY RDY
DF
DSC DRQ COR IDX ERR
0 V V V V V V V
0 0 0 - - 0 0 0
Table 49 Execute Device Diagnostic Command (90h)
The Execute Device Diagnostic command performs the internal diagnostic tests implemented by the
device. The results of the test are stored in the Error Register.
device. The results of the test are stored in the Error Register.
The normal Error Register bit definitions do not apply to this command. Instead, the register contains a
diagnostic code. See “Table 31 Diagnostic Codes” on Page 47 for the definition.
diagnostic code. See “Table 31 Diagnostic Codes” on Page 47 for the definition.