Intel SSDSCKJF180A5 Datasheet download pdf (Page 27)

Intel® Solid-State Drive Pro 2500 Series (M.2)

October 2014 Product Specification

330902-002 27

Attribute

Status Flags

Threshold

measured by temperature sensor on drive PCB. The

normalized value reports the current temperature

value. The raw value shows current, lifetime highest

and lifetime lowest temperatures. Byte 1:0 = current

temp Celsius; Byte 3:2 = lifetime highest temp

Celsius; Byte 5:4 = lifetime lowest temp Celsius.

C0h

Power-Off Retract Count (Unsafe Shutdown Count)

The raw value of this attribute reports the

cumulative number of unsafe (unclean) shutdown

events over the life of the device. An unsafe

shutdown occurs whenever the device is powered

off without STANDBY IMMEDIATE being the last

command.

0 (none)

C7h

CRC Error Count

The total number of encountered SATA interface

cyclic redundancy check (CRC) errors.

0 (none)

E1h

Host Writes

The raw value of this attribute reports the total

number of sectors written by the host system. The

raw value is increased by 1 for every 65,536 sectors

(32MB) written by the host.

0 (none)

E2h

Timed Workload Media Wear

Measures the wear seen by the SSD (since reset of

the workload timer, attribute E4h), as a percentage

of the maximum rated cycles.

0 (none)

E3h

Timed Workload Host Read/Write Ratio

Shows the percentage of I/O operations that are

read operations (since reset of the workload timer,

attribute E4h).

0 (none)

E4h

Timed Workload Timer

Measures the elapsed time (number of minutes

since starting this workload timer).

0 (none)

E8h

Available Reserved Space

This attribute reports the number of reserve blocks

remaining. The normalized value begins at 100

(64h), which corresponds to 100 percent availability

of the reserved space. The threshold value for this

attribute is 10 percent availability.

E9h

Media Wearout Indicator

This attribute reports the number of cycles the

NAND media has undergone. The normalized value

declines linearly from 100 to 1 as the average erase

cycle count increases from 0 to the maximum rated

cycles. Once the normalized value reaches 1, the

number will not decrease, although it is likely that

significant additional wear can be put on the device

0 (none)

F1h

Total LBAs Written

The raw value of this attribute reports the total

number of sectors written by the host system. The

raw value is increased by 1 for every 65,536 sectors

(32MB) written by the host.

0 (none)

F2h

Total LBAs Read

The raw value of this attribute reports the total

0 (none)

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Intel SSDSCKJF180A5 Datasheet Page 27

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