5K250 SATA OEM Specification
Page 3 of 171
Table of Contents
GENERAL ............................................................................................................................................. 8
1
I
NTRODUCTION
.....................................................................................................................................8
1.1
Abbreviations ..........................................................................................................................8
1.2
References .............................................................................................................................11
1.3
General caution.....................................................................................................................11
1.4
Drive handling precautions ..................................................................................................11
2
O
UTLINE OF THE DRIVE
......................................................................................................................12
PART 1 FUNCTIONAL SPECIFICATION ......................................................................................... 13
3
F
IXED DISK SUBSYSTEM DESCRIPTION
................................................................................................14
3.1
Control Electronics................................................................................................................14
3.2
Head disk assembly data ......................................................................................................14
4
F
IXED DISK CHARACTERISTICS
...........................................................................................................15
4.1
Formatted capacity by model number..................................................................................15
4.2
Data sheet .............................................................................................................................16
4.3
Cylinder allocation ................................................................................................................16
4.4
Performance characteristics .................................................................................................17
5
D
ATA INTEGRITY
................................................................................................................................21
5.1
Data loss on power off ...........................................................................................................21
5.2
Write Cache...........................................................................................................................21
5.3
Equipment status..................................................................................................................21
5.4
WRITE safety........................................................................................................................21
5.5
Data buffer test .....................................................................................................................22
5.6
Error recovery .......................................................................................................................22
5.7
Automatic reallocation..........................................................................................................22
5.8
ECC .......................................................................................................................................23
6
S
PECIFICATION
..................................................................................................................................24
6.1
Environment .........................................................................................................................24
6.2
DC power requirements........................................................................................................26
6.3
Reliability ..............................................................................................................................28
6.4
Mechanical specifications .....................................................................................................31
6.5
Vibration and shock ..............................................................................................................33
6.6
Acoustics................................................................................................................................35
6.7
Identification labels ..............................................................................................................36
6.8
Electromagnetic compatibility..............................................................................................36
6.9
Safety.....................................................................................................................................37
6.10
Packaging ..............................................................................................................................37
6.11
Substance restriction requirements .....................................................................................37
7
E
LECTRICAL INTERFACE SPECIFICATIONS
..........................................................................................38
7.1
Cabling ..................................................................................................................................38
7.2
Interface connector................................................................................................................38
7.3
Signal definitions ..................................................................................................................39
PART 2 INTERFACE SPECIFICATION ............................................................................................ 41
8
G
ENERAL
...........................................................................................................................................42
8.1
Introduction...........................................................................................................................42
8.2
Terminology...........................................................................................................................42
9
D
EVIATIONS FROM
S
TANDARD
............................................................................................................43
10
P
HYSICAL
I
NTERFACE
......................................................................................................................43
11
R
EGISTERS
.......................................................................................................................................43
11.1
Register naming convention .................................................................................................44
11.2
Command register.................................................................................................................44
11.3
Device Control Register ........................................................................................................44
11.4
Device Register......................................................................................................................45
11.5
Error Register .......................................................................................................................45