Hitachi HTS541660J9SA00, HTS541640J9SA00, HTS541680J9SA00 manual Read Native Max Address F8h

Travelstar 5K160 (SATA) Hard Disk Drive Specification

14.20Read Native Max Address (F8h)

Block Output Registers Command																			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					-		-			-	-			-	-		-	-	Error									...See Below...
Sector Count					-		-			-	-			-	-		-	-	Sector Count					-			-			-		-			-		-		-	-
LBA Low				-		-			-		-		-		-	-		-	LBA Low					V	V				V		V			V		V		V V
LBA Mid					-		-			-	-			-	-		-	-	LBA Mid					V V V							V			V V				V V
LBA High					-		-			-	-			-	-		-	-	LBA High					V		V				V		V			V		V	V V
Device				-			L		-		-		-		-	-		-	Device					-			-	-			-				H		H		H	H
Command				1		1			1		1		1		0	0		0	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 64 Read Native Max Address Command (F8h)

This command returns the native max LBA/CYL of HDD which is not effected by Set Max Address command.

The 48-bit native max address is greater than 268,435,455, the Read Native Max Address command return a value of 268,435,455.

Output Parameters To The Device

L	LBA mode.Indicates the addressing mode.L=0 specifies CHS mode and L=1 does LBA
D	addressing mode.
	The device number bit. Indicates that the device number bit of the Device Register
-	should be specified. D=0 selects the master device and D=1 selects the slave device.
	Indicates that the bit is not used.
Input Parameters From The Device
LBA Low	In LBA mode, this register contains native max LBA bits 0 - 7. (L=1)
LBA High/Mid	In CHS mode, this register contains native max LBA Low. (L=0)
	In LBA mode, this register contains native max LBA bits 8 - 15 (Mid), 16 - 23 (High).
	(L=1)
H	In CHS mode, this register contains native max cylinder number. (L=0)
	In LBA mode, this register contains native max LBA bits 24 - 27. (L=1)
V	In CHS mode, this register contains native max head number.(L=0)
	Valid. Indicates that the bit is part of an input parameter and will be set to 0 or 1 by the
-	device.
	Indicates that the bit is not used.

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