Samsung M9T manual Iii

5.3	SERVO SYSTEM		31
5.4 READ AND WRITE OPERATIONS			31
5.4.1		The Read Channel	31
5.4.2		The Write Channel	32
5.5	FIRMWARE FEATURES		32
5.5.1		Read Caching	32
5.5.2		Write Caching	33
5.5.3		Defect Management	34
5.5.4		Automatic Defect Allocation	34
5.5.5		SMART	34
5.5.6		APM	34
CHAPTER 6		SATA II INTERFACE	35
6.1	INTRODUCTION		35
6.1.1		SATA Terminology	35
6.2	PHYSICAL INTERFACE		37
6.3	SIGNAL SUMMARY		37
6.3.1		Signal Descriptions	37
6.3.2		I/O Register - Address	38
6.3.3		Control Block Register Descriptions	38
	6.3.3.1	Alternate Status Register (ex. 3F6h)	38
	6.3.3.2	Device Control Register (ex. 3F6h)	39
6.3.4		Command Block Register Descriptions	39
	6.3.4.1	Data Register (Ex. 1F0h)	39
	6.3.4.2	Features Register and Feature Extended Register (Ex. 1F1h)	39
	6.3.4.3	Sector Number Register and Sector Number Extended Register (Ex. 1F3h)	39
	6.3.4.4	Error Register (Ex. 1F1h)	39
	6.3.4.5	Sector Count Register and Sector Count Extended Register (Ex. 1F2h)	40
	6.3.4.6	Cylinder High Register and Cylinder High Extended Register (Ex. 1F5h)	40
	6.3.4.7	Cylinder Low Register and Cylinder Low Extended Register (Ex. 1F4h)	40
	6.3.4.8	Command Register (Ex. 1F7h)	40
	6.3.4.9	Device Register (Ex. 1F6h)	40
	6.3.4.10	Status Register (Ex. 1F7h)	41
CHAPTER 7		SATA II FEATURE SET	42
7.1	DEVICE ACTIVITY SIGNAL		42
7.2	STAGGERED SPIN-UPDISABLE CONTROL		42
7.3	AUTO-ACTIVATE IN DMA SETUP FIS		42
7.4 NATIVE COMMAND QUEUING (NCQ)			42
7.5	PHY EVENT COUNTERS		43
7.6	SOFTWARE SETTINGS PRESERVATION		44
7.7	SATA POWER MANAGEMENT		44
CHAPTER 8		ATA COMMAND DESCRIPTIONS	45
8.1	COMMAND TABLE		45
8.2	COMMAND DESCRIPTIONS		47
8.2.1		Check Power Mode (E5h)	47
8.2.2		Download Micro Code (92h)	47
8.2.3		Device Configuration Overlay (B1h)	47
8.2.4		Execute Device Diagnostics (90h)	49
8.2.5		Flush Cache (E7h, EAh: extended)	49
8.2.6		Format Track (50h)	49
8.2.7		Identify Device (ECh)	49
8.2.8		Idle (E3h)	55
8.2.9		Idle Immediate (E1h)	55
8.2.10		Initialize Device Parameters (91h)	56
8.2.11		NOP (00h)	56
8.2.12		Read Buffer (E4h)	56
8.2.13		Read DMA (C8h, 25h:extended)	56

Spinpoint M9T Product Manual REV 1.0 iii