Hitachi HDS723020BLA642 manual Seek 7xh, Seek Command 7xh

7K200 SATA OEM Specification

14.32Seek (7xh)

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					-		-			-			-		-		-			-		-	Error								...See Below...
Sector Count						-		-			-		-			-		-			-	-	Sector Count						-	-				-		-		-	-	-		-
LBA Low						V		V			V	V				V		V			V	V	LBA Low						V	V				V		V		V	V	V	V
LBA Mid						V		V			V	V				V		V			V	V	LBA Mid						V	V				V		V		V	V	V	V
LBA High						V		V			V	V				V		V			V	V	LBA High						V	V				V		V		V	V	V	V
Device						-		L			-		-			H		H			H	H	Device						-	-				-		-		H	H	H		H
Command					0		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	V	0							V			0					0				0	V	0		V	-			0						0			V

Table 102 Seek Command (7xh)

The Seek command initiates a seek to the designated track and selects the designated head. The device need not be formatted for a seek to execute properly.

Output Parameters To The Device

LBA Low	In LBA mode, this register specifies LBA address bits 0 - 7 for seek. (L=1)
LBA High/Mid	The cylinder number of the seek.
	In LBA mode, this register specifies LBA address bits 8 - 15 (Mid), 16 - 23 (High) for
	seek. (L=1)
H	The head number of the seek.
	In LBA mode, this register specifies LBA address bits 24 - 27 for seek. (L=1)
Input Parameters From The Device
LBA Low	In LBA mode, this register contains current LBA bits 0 - 7. (L=1)
LBA High/Mid	In LBA mode, this register contains current LBA bits 8 - 15 (Mid), 16 - 23 (High).
	(L=1)
H	In LBA mode, this register contains current LBA bits 24 - 27. (L=1)

131/173