Spinpoint M9T Product Manual REV 1.0
iii
5.3 SERVO SYSTEM
................................................................................................................................31
5.4 R
EAD AND WRITE OPERATIONS
......................................................................................................31
5.4.1 The Read
Channel...........................................................................................................31
5.4.2 The Write
Channel ..........................................................................................................32
5.5 F
IRMWARE 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 P
HYSICAL INTERFACE
.....................................................................................................................37
6.3 S
IGNAL SUMMARY
...........................................................................................................................37
6.3.1 Signal
Descriptions.........................................................................................................37
6.3.2 I/O Register - Address
....................................................................................................38
6.3.3 Control Bl
ock 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 Cylinde
r 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 S
TAGGERED SPIN-UP DISABLE CONTROL
.......................................................................................42
7.3 A
UTO-ACTIVATE IN DMA SETUP FIS
............................................................................................42
7.4 N
ATIVE COMMAND QUEUING (NCQ)
.............................................................................................42
7.5 P
HY EVENT COUNTERS
..................................................................................................................43
7.6 S
OFTWARE SETTINGS
P
RESERVATION
............................................................................................44
7.7 SATA P
OWER
M
ANAGEMENT
.........................................................................................................44
CHAPTER 8 ATA COMMAND DESCRIPTIONS
..........................................................................45
8.1 COMMAND
T
ABLE
............................................................................................................................45
8.2 C
OMMAND
D
ESCRIPTIONS
...............................................................................................................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