Home » Fujitsu Manuals » Hard Drives » Fujitsu MJA2500BH » Manual Viewer

Fujitsu MJA2500BH Maintenance Manual - Page 181

Write Read Verify Sector Count Mode 2 Only

Add to My Manuals
Save this manual to your list of manuals

Page 181 highlights

5.3 Host Commands Table 5.33 Information to be read by IDENTIFY DEVICE command (3/3) Word 104-105 106 107 108 109 110 111 112-116 117-118 119 120 121-127 128 129-159 160-205 206 207-209 210-211 212-213 214-219 220 221 222 223 224-233 234 235 236-254 255 Value X '00' *26 X '0000' X 'xxxx' X 'xxxx' X 'xxxx' X 'xxxx' X '0000' X '0000' X '400x' X '400x' X '0000' X '0xxx' X 'xxxx' X '0000' X '003D' X '0000' X 'xxxx' X 'xxxx' X '0000' X '00xx' X '0000' X '100F' X '0021' X '0000' X '0001' X '0x00' X '0000' X 'xxA5' Description Reserved Physical sector size per logical sector Reserved 15:12 NAA_ID(3:0) 05h 11:0 IEEE Company ID (23:12) 00h 15:4 IEEE Company ID (11:0) 0Eh 3:0 Unique ID (35:32) 15:0 Unique ID (31:16) 15:0 Unique ID (15:0) Reserved Number of words for logical sectors Features Implemented Word (Supported Settings) *27 Features Implemented Word (Enabled Settings) *28 Reserved Security status *29 Undefined Reserved SCT Command sets supported *30 Reserved Write Read Verify Sector Count Mode 3 Only *31 Write Read Verify Sector Count Mode 2 Only *32 Reserved Write Read Verify Mode *33 Reserved Transport major version number Transport minor version number Reserved Minimum number of 512 byte units per DOWNLOAD MICROCODE command mode 3 *34 Maximum number of 512 byte units per DOWNLOAD MICROCODE command mode3 *35 Reserved Check sum (The 2 complement of the lower order byte resulting from summing bits 7 to 0 of word 0 to 254 and word 255, in byte units.) C141-E293 5-107

Section	Page
Front Cover	1
FOR SAFE OPERATION	2
Revision History	3
Preface	5
Important Alert Items	9
Manual Organization	11
Contents	13
Illustrations	19
Figures	19
Tables	21
CHAPTER 1 Device Overview	23
1.1 Features	24
1.1.1 Functions and performance	24
1.1.2 Adaptability	24
1.1.3 Interface	25
1.2 Device Specifications	27
1.2.1 Specifications summary	27
1.2.2 Model and product number	28
1.3 Power Requirements	29
1.4 Environmental Specifications	32
1.5 Acoustic Noise	33
1.6 Shock and Vibration	33
1.7 Reliability	34
1.8 Error Rate	35
1.9 Media Defects	35
1.10 Load/Unload Function	35
1.10.1 Recommended power-off sequence	36
1.11 Advanced Power Management (APM)	36
1.12 Interface Power Management (IPM)	38
1.12.1 Host-initiated interface power management (HIPM)	38
1.12.2 Device-initiated interface power management (DIPM)	38
CHAPTER 2 Device Configuration	41
2.1 Device Configuration	42
2.2 System Configuration	43
2.2.1 SATA interface	43
2.2.2 Drive connection	43
CHAPTER 3 Installation Conditions	45
3.1 Dimensions	46
3.2 Mounting	47
3.3 Connections with Host System	53
3.3.1 Device connector	53
3.3.2 Signal segment and power supply segment	54
3.3.3 Connector specifications for host system	54
3.3.4 SATA interface cable connection	55
3.3.5 Note about SATA interface cable connection	55
CHAPTER 4 Theory of Device Operation	57
4.1 Outline	58
4.2 Subassemblies	58
4.2.1 Disk	58
4.2.2 Spindle	58
4.2.3 Actuator	58
4.2.4 Air filter	59
4.3 Circuit Configuration	59
4.4 Power-on Sequence	62
4.5 Self-calibration	64
4.5.1 Self-calibration contents	64
4.5.2 Execution timing of self-calibration	65
4.5.3 Command processing during self-calibration	65
4.6 Read/write Circuit	66
4.6.1 Read/write preamplifier (PreAMP)	66
4.6.2 Write circuit	66
4.6.3 Read circuit	67
4.6.4 Digital PLL circuit	67
4.7 Servo Control	68
4.7.1 Servo control circuit	68
4.7.2 Data-surface servo format	70
4.7.3 Servo frame format	72
4.7.4 Actuator motor control	73
4.7.5 Spindle motor control	74
CHAPTER 5 Interface	75
5.1 Physical Interface	76
5.1.1 Interface signals	76
5.1.2 Signal interface regulation	78
5.1.3 Electrical specifications	80
5.1.4 Connector pinouts	81
5.1.5 P11 function	82
5.1.6 Hot Plug	84
5.2 Logical Interface	85
5.2.1 Communication layers	86
5.2.2 Outline of the Shadow Block Register	87
5.2.3 Outline of the frame information structure (FIS)	88
5.2.4 Shadow block registers	96
5.3 Host Commands	101
5.3.1 Command code and parameters	101
5.3.2 Command descriptions	104
5.3.3 Error posting	247
5.4 Command Protocol	249
5.4.1 Non-data command protocol	250
5.4.2 PIO data-in command protocol	252
5.4.3 PIO data-out command protocol	254
5.4.4 DMA data-in command protocol	256
5.4.5 DMA data-out command protocol	257
5.4.6 Native Command Queuing protocol	258
5.5 Power-on and COMRESET	261
CHAPTER 6 Operations	263
6.1 Reset and Diagnosis	264
6.1.1 Response to power-on	264
6.1.2 Response to COMRESET	266
6.1.3 Response to a software reset	269
6.2 Power Save	270
6.2.1 Power save mode	270
6.2.2 Power commands	272
6.3 Power Save Controlled by Interface Power Management (IPM)	273
6.3.1 Power save mode of the interface	273
6.4 Read-ahead Cache	275
6.4.1 Data buffer structure	275
6.4.2 Caching operation	276
6.4.3 Using the read segment buffer	278
6.5 Write Cache	282
6.5.1 Cache operation	282
CHAPTER 7 Maintenance and Diagnosis	285
7.1 Maintenance	286
7.1.1 Rules for maintenance	286
7.1.2 Maintenance requirements	287
7.1.3 Maintenance levels	289
7.1.4 Disk drive revision number	290
7.1.5 Tools and test equipment	292
7.1.6 Self-diagnostics	292
7.1.7 Test	292
7.2 Operation Confirmation	295
7.2.1 Operation test	295
7.2.2 Diagnostic test	295
7.3 Troubleshooting Procedure	296
7.3.1 Troubleshooting procedure	296
7.3.2 Troubleshooting disk drive replaced in field	296
7.3.3 Troubleshooting at factory	298
7.4 Disk Drive Removal Procedure	299
7.5 Spare Disk Drive	299
Glossary	301
Acronyms and Abbreviations	305
Index	307
Comment Form	315

Match case Limit results 1 per page

5.3

Host Commands

C141-E293

5-107

Table 5.33

Information to be read by IDENTIFY DEVICE command (3/3)

Word

Value

Description

104-105

X '00'

Reserved

106

*26

Physical sector size per logical sector

107

X '0000'

Reserved

108

X 'xxxx'

15:12

NAA_ID(3:0)

05h

11:0

IEEE Company ID

(23:12)

00h

109

X 'xxxx'

15:4

IEEE Company ID

(11:0)

0Eh

3:0

Unique ID

(35:32)

110

X 'xxxx'

15:0

Unique ID

(31:16)

111

X 'xxxx'

15:0

Unique ID

(15:0)

112-116

X '0000'

Reserved

117-118

X '0000'

Number of words for logical sectors

119

X '400x'

Features Implemented Word (Supported Settings)

*27

120

X '400x'

Features Implemented Word (Enabled Settings)

*28

121-127

X '0000'

Reserved

128

X '0xxx'

Security status

*29

129-159

X 'xxxx'

Undefined

160-205

X '0000'

Reserved

206

X '003D'

SCT Command sets supported

*30

207-209

X '0000'

Reserved

210-211

X 'xxxx'

Write Read Verify Sector Count Mode 3 Only

*31

212-213

X 'xxxx'

Write Read Verify Sector Count Mode 2 Only

*32

214-219

X '0000'

Reserved

220

X '00xx'

Write Read Verify Mode

*33

221

X '0000'

Reserved

222

X '100F'

Transport major version number

223

X '0021'

Transport minor version number

224-233

X '0000'

Reserved

234

X '0001'

Minimum number of 512 byte units per DOWNLOAD

MICROCODE command mode 3

*34

235

X '0x00'

Maximum number of 512 byte units per DOWNLOAD

MICROCODE command mode3

*35

236-254

X '0000'

Reserved

255

X 'xxA5'

Check sum (The 2 complement of the lower order byte resulting from

summing bits 7 to 0 of word 0 to 254 and word 255, in byte units.)