Interface

•Current Span under test

As the self-test progress, the device shall modify this value to contain the test span number currently being tested.

•Feature Flags

 

Table 5.22 Selective self-test feature flags

 

 

 

Bit

 

Description

 

 

 

0

 

Vendor specific (unused)

 

 

 

1

 

When set to one, perform off-line scan after selective test.

 

 

 

2

 

Vendor specific (unused)

 

 

 

3

 

When set to one, off-line scan after selective test is pending.

 

 

 

4

 

When set to one, off-line scan after selective test is active.

 

 

 

5 to 15

 

Reserved

 

 

 

Bit [l] shall be written by the host and returned unmodified by the device. Bit [3:4] shall be written as zeros by the host and the device shall modify them as the test progress.

•Selective Self-test pending time [min]

The selective self-test pending time is the time in minutes from power-on to the resumption of the off-line testing if the pending bit is set.

•SMART Command Transport (SCT)

This command supports the following functions by using the SMART command according to the value specified for the SN field and the FR field. Moreover, WRITE LOG EXT/READ LOG EXT is used in 48-CMD environment.

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