5K250 SATA OEM Specification
Page 3 of 171
Table of Contents
GENERAL ............................................................................................................................................. 8
1 INTRODUCTION.....................................................................................................................................8
1.1 Abbreviations ..........................................................................................................................8
1.2 References .............................................................................................................................11
1.3 General caution.....................................................................................................................11
1.4 Drive handling precautions ..................................................................................................11
2 OUTLINE OF THE DRIVE ......................................................................................................................12
PART 1 FUNCTIONAL SPECIFICATION ......................................................................................... 13
3 FIXED DISK SUBSYSTEM DESCRIPTION ................................................................................................14
3.1 Control Electronics................................................................................................................14
3.2 Head disk assembly data......................................................................................................14
4 FIXED 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 DATA 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 SPECIFICATION ..................................................................................................................................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 ELECTRICAL INTERFACE SPECIFICATIONS ..........................................................................................38
7.1 Cabling ..................................................................................................................................38
7.2 Interface connector................................................................................................................38
7.3 Signal definitions ..................................................................................................................39
PART 2 INTERFACE SPECIFICATION ............................................................................................ 41
8 GENERAL ........................................................................................................................................... 42
8.1 Introduction...........................................................................................................................42
8.2 Terminology...........................................................................................................................42
9 DEVIATIONS FROM STANDARD............................................................................................................ 43
10 PHYSICAL INTERFACE ......................................................................................................................43
11 REGISTERS .......................................................................................................................................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
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