Hitachi HTS541640J9SA00, HTS541680J9SA00, HTS541616J9SA00, HTS541660J9SA00 manual Set Features EFh

Travelstar 5K160 (SATA) Hard Disk Drive Specification

14.35Set Features (EFh)

Command Block Output Registers																				Command Block Input Registers
Register				7		6			5			4			3	2		1	0	Register					7	6				5	4		3	2	1	0
Data				-	-			-				-		-		-	-		-	Data					-	-				-		-	-	-	-	-
Feature				V		V			V		V				V V		V V			Error							...See Below...
Sector Count										Note.1										Sector Count					-	-				-	-		-	-	-	-
LBA Low				-		-			-			-			-	-		-	-	LBA Low					-	-				-		-	-	-	-	-
LBA Mid				-		-			-			-			-	-		-	-	LBA Mid					-	-				-		-	-	-	-	-
LBA High				-	-			-				-		-		-	-		-	LBA High					-	-			-		-		-	-	-	-
Device				-	-			-				-		-		-	-		-	Device					-	-			-			-	-	-	-	-
Command				1	1			1		0				1 1			1		1	Status							...See Below...
			Error Register																				Status Register
7	6	5	4	3			2						1				0			7	6	5	4	3			2						1		0
CRC	UNC	0	IDN	0			ABT						T0N					AM		BSY	RDY	DF	DSC	DRQ				COR					IDX		ERR
																		N
0	0	0	0	0					V				0				0			0	V	0	-	-			0						0		V

Figure 75 Set Features Command (EFh)

The Set Feature command is to establish the following parameters which affect the execution of certain features as shown in below table.

ABT will be set to 1 in the Error Register if the Feature register contains any undefined values. After power on reset, the device is set to the following features as default.

Write cache		: Enable
ECC bytes		: 4 bytes
Read look-ahead		: Enable
Reverting to power on defaults		: Disable
Device-initiated interface power state		: Disable
transition
Software setting preservation		: Enable
Output Parameters To The Device
Feature	Destination code for this command
02H	Enable write cache (Note.2)
03H	Set transfer mode based on value in sector count register
05H	Enable Advanced Power Management
06H	Enable Power-Up in Standby feature set
07H	Power-Up in Standby feature set device spin-up
10H	Enable use of Serial ATA feature
42H	Enable Automatic Acoustic Management feature set
44H	52 bytes of ECC apply on Read Long/Write Long commands
55H	Disable read look-ahead feature
66H	Disable reverting to power on defaults
82H	Disable write cache
85H	Disable Advanced Power Management (Note.3)
86H	Disable Power-UP in Standby feature set
90H	Disable use of Serial ATA feature
AAH	Enable read look-ahead feature
BBH	4 bytes of ECC apply on Read Long/Write Long commands
C2H	Disable Automatic Acoustic Management feature set
CCH	Enable reverting to power on defaults

Note 1.

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