Samsung 100737108-A User Manual
Spinpoint M8-DVR OEM Product Manual REV 1.0
5.3
S
ERVO
S
YSTEM
................................................................................................................................31
5.4
R
EAD AND
W
RITE
O
PERATIONS
......................................................................................................31
5.4.1
The Read Channel...........................................................................................................31
5.4.2
The Write Channel ..........................................................................................................32
5.5
F
IRMWARE
F
EATURES
.....................................................................................................................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
I
NTRODUCTION
................................................................................................................................35
6.1.1 SATA Terminology..................................................................................................... ...35
6.2
P
HYSICAL
I
NTERFACE
.....................................................................................................................37
6.3
S
IGNAL
S
UMMARY
...........................................................................................................................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
D
EVICE
A
CTIVITY
S
IGNAL
..............................................................................................................42
7.2
S
TAGGERED
S
PIN
-
UP
D
ISABLE
C
ONTROL
.......................................................................................42
7.3
A
UTO
-A
CTIVATE IN
DMA S
ETUP
FIS ............................................................................................42
7.4
N
ATIVE
C
OMMAND
Q
UEUING
(NCQ) .............................................................................................42
7.5
P
HY
. E
VENT
C
OUNTERS
..................................................................................................................43
7.6
S
OFTWARE
S
ETTINGS
P
RESERVATION
............................................................................................44
7.7
SATA P
OWER
M
ANAGEMENT
.........................................................................................................44
CHAPTER 8
ATA COMMAND DESCRIPTIONS ..........................................................................45
8.1
C
OMMAND
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