Hitachi IC25N080ATMR04-0 Specifications - Page 115

Execute Device Diagnostic 90h

Page 115 highlights

13.3 Execute Device Diagnostic (90h) Table 66: Execute Device Diagnostic command (90h) Command Block Output Registers Register 7 6 5 4 3 2 1 0 Data Feature Sector Count LBA Low LBA Mid LBA High Device 1 - 1 - - - - - Command 1 0 0 1 0 0 0 0 Command Block Input Registers Register 7 6 5 4 3 2 1 0 Data Error see below Sector Count LBA Low LBA Mid LBA High Device Status see below 76 CRC UNC 0V Error Register 54 3 2 1 0 0 IDN 0 ABT T0N AMN VV V V V V Status Register 7 654 3 2 1 0 BSY RDY DF DSC DRQ COR IDX ERR 0 00- - 0 - 0 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. The normal Error Register bit definitions do not apply to this command. Instead, the register contains a diagnostic code. See Table 45: "Default Register Values" on page 70 for the definition. Travelstar 80GN Hard Disk Drive Specification 105

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Travelstar 80GN Hard Disk Drive Specification
105
13.3
Execute Device Diagnostic (90h)
Table 66: 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.
The normal Error Register bit definitions do not apply to this command. Instead, the register contains a diagnostic
code. See Table 45: “Default Register Values” on page 70 for the definition.
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
1 - 1 - - - - -
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