7K6000 datasheet(90/274 Pages) WESTERN

90 / 274 page

HGST Hard Disk Drive Specification

9.18.2.3 SCT Status Request

Once an SCT command has been issued, a status is reported in the ATA registers. This status indicates that the

command was accepted or that an error occurred. This ATA status return does not indicate successful completion

of the SCT actions. Some commands can take several minutes or even hours to execute. In this case, the host can

determine execution progress by requesting SCT status.

Log page E0h contains the status information. Reading log page E0h retrieves the status information. The SCT

status may be acquired any time that the host is allowing to send a command to the device. This command will not

change the power state of the drive, nor terminate any background activity, including any SCT command in

progress.

9.18.2.3.1

SCT Status Request Using SMART

Command Block Output Registers

Feature

D5h

Sector Count

01h

Sector Number

E0h

Cylinder Low

4Fh

Cylinder High

C2h

Device/Head

Command

B0h

Table 56

Input Registers of SCT Status Request Using SMART

9.18.2.3.2

SCT Status Request Using Read Log Ext

Command Block Output Registers

Feature

Current

Reserved

Sector Count

Current

01h

00h

LBA Low

Current

E0h

Reserved

LBA Mid

Current

00h

LBA High

Current

Reserved

Device/Head

Command

2Fh

Table 57

Input Registers of SCT Status Request Using Read Log Ext

7K6000 Datasheet(PDF) 90 Page - Western Digital Corporation or its affiliates.

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