Hitachi HTS541680J9SA00 Specifications - Page 77

Execute Device Diagnostic 90h

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Travelstar 5K160 (SATA) Hard Disk Drive Specification 14.3 Execute Device Diagnostic (90h) Command Block Output Registers Register 76543210 Data -------- Feature -------- Sector Count -------- LBA Low -------- LBA Mid -------- LBA High -------- Device -------- Command 10010000 Command Block Input Registers Register 76543210 Data -------- Error ...See Below... Sector Count -------- LBA Low -------- LBA Mid -------- LBA High -------- Device -------- Status ...See Below... Error Register 7 6 5 4 3 2 1 0 CRC UNC 0 IDN 0 ABT T0N AM N 0 VVVVVVV Figure 28 Execute Device Diagnostic Command (90h) Status Register 7 6543 2 10 BSY RDY DF DSC DRQ COR IDX ERR 000- - 000 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 "Diagnostic Codes" on Page 5 for the definition. 77/167

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Travelstar 5K160 (SATA) Hard Disk Drive Specification
77/167
14.3
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
AM
N
BSY
RDY
DF
DSC
DRQ COR
IDX
ERR
0
V
V
V
V
V
V
V
0
0
0
-
-
0
0
0
Figure 28 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 “Diagnostic Codes” on
Page 5
for the definition.