Table 56 Output Registers Of Sct Command Using Smart; Table 57 Input Registers Of Sct Command Using Smart - Hitachi CinemaStar P7K500 Specifications

complete SMART Read Log/Write Log commands.
hardware) will cause the SCT command to be aborted.
8.21.1.4
Resets
If an SCT command is executing, any reset including Soft Reset, Hard Reset, COMRESET, and Power-On
Reset all cause the command to be terminated. This could result in partial command execution or data loss.
There is no indication once the drive becomes ready that the previous command was terminated.
8.21.2 SCT Command Protocol
8.21.2.1
Command Transport
SCT Command Transport occurs when a 512-byte data packet (called "Key Sector") is created and the
written to SMART or extended log page E0h. The key sector specifies Action and Function Codes along with
the parameters that are required to perform the action.
8.21.2.1.1
Issue SCT Command Using SMART
Command Block Output Registers
Register
Feature
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Command

Table 56 Output Registers of SCT Command Using SMART

Command Block Input Registers (Success)
Register
Error
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Status

Table 57 Input Registers of SCT Command Using SMART

HITACHI Deskstar & CinemaStar P7K500 Hard Disk Drive specification (Rev 1.1)
7 6 5 4 3 2 1 0
D6h
01h
E0h
4Fh
C2h
- - - D - - - -
B0h
7 6 5 4 3 2 1 0
00h
Depends on command
(LSB)
Depends on command
(MSB)
Number of sectors to
transfer (LSB)
Number of sectors to
transfer (MSB)
- - - - - - - -
50h
93
Furthermore, any reset (power-on, software or
Command Block Input Registers (Error)
Register
Error
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Status
7 6 5 4 3 2 1 0
04h
Extended Status code
(LSB)
Extended Status code
(MSB)
Number of sectors to
transfer (LSB)
Number of sectors to
transfer (MSB)
- - - - - - - -
51h