Transcend Information TS64, TS128GSSD18M-M Features register Value and settable operating mode

TS32/64/128GSSD18M-M 1.8” Portable Solid State Drive

SET FEATURES (EFh)

This command set parameter to Features register and set drive’s operation. For transfer mode, parameter is set to Sector Count register. This command is used by the host to establish or select certain features.

Features register Value and settable operating mode

Value	Function
02h	Enable write cache
03h	Set transfer mode based on value in Sector Count register.
55h	Disable read look-ahead feature
82h	Disable write cache
Aah	Enable read look-ahead feature

SET MULTIPLE MODE (C6h)

This command enables the device to perform READ MULTIPLE and WRITE MULTIPLE operations and establishes the block count for these commands.

SLEEP (E6h)

This command causes the device to set BSY, enter the Sleep mode, clear BSY and generate an interrupt.

SMART Function Set (B0h)

Performs different processing required for predicting device failures, according to the subcommand specified in the Features register. If the Features register contains an unsupported value, the Aborted Command error is returned. If the

SMART function is disabled, any subcommand other than SMART ENABLE OPERATIONS results in the Aborted
Command error.
	Code	Smart Subcommand
	D0h	READ DATA
	D1h	READ ATTRIBUTE THRESHOLDS
	D2h	ENABLE/DISABLE ATTRIBUTE AUTOSAVE
	D3h	SAVE ATTRIBUTE VALUES
	D5h	Reserved
	D6h	Reserved
	D8h	ENABLE OPERATIONS
	D9h	DISABLE OPERATIONS
	DAh	RETURN STATUS

Transcend Information Inc.

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