User manual

Hitachi hard disk drive specifications
84
9.18.2.1.2 Issue SCT Command Using Write Log Ext
Command Block Output Registers
Register
7
6
5
4
3
2
1
0
Feature
Current
Reserved
Previous
Reserved
Sector Count
Current
01h
Previous
00h
LBA Low
Current
E0h
Previous
Reserved
LBA Mid
Current
00h
Previous
00h
LBA High
Current
Reserved
Previous
Reserved
Device/Head
-
-
-
D
-
-
-
-
Command
3Fh
Table 45 Input Registers of SCT Command Using Write Log Ext
Command Block Input Registers (Success)
Command Block Input Registers (Error)
Register
7
6
5
4
3
2
1
0
Register
7
6
5
4
3
2
1
0
Error
00h
Error
04h
Sector Count
HOB=0
Depends on command
(LSB)
Sector Count
HOB=0
Extended Status Code
(LSB)
HOB=1
Reserved
HOB=1
Reserved
LBA Low
HOB=0
Depends on command
(MSB)
LBA Low
HOB=0
Extended Status Code
(MSB)
HOB=1
Reserved
HOB=1
Reserved
LBA Mid
HOB=0
Number of sectors (LSB)
LBA Mid
HOB=0
Number of sectors (LSB)
HOB=1
Reserved
HOB=1
Reserved
LBA High
HOB=0
Number of sectors (MSB)
LBA High
HOB=0
Number of sectors (MSB)
HOB=1
Reserved
HOB=1
Reserved
Device/Head
-
-
-
-
-
-
-
-
Device/Head
-
-
-
-
-
-
-
-
Status
50h
Status
51h
All ATA “previous” registers are reserved in Write Log Ext responses.
Table 46 Output Registers of SCT Command Using Write Log Ext