Fujitsu MHZ2250BJ Manuel d'utilisateur Page 129
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Noté. / 5. Basé sur avis des utilisateurs
5.3 Host Commands
Table 5.9 Features Field values (subcommands) and functions (1/3)
Features Field Function
X 'D0' SMART READ DATA:
A device that received this subcommand saves all the updated attribute
values. The device then transfers 512-byte attribute value information to the
host after transferring PIOSU.
* For information about the format of the attribute value information, see
Table 5.10.
X 'D1' SMART READ ATTRIBUTE THRESHOLDS:
This subcommand is used to transfer 512-byte guarantee failure threshold
value data to the host.
* For information about the format of the guarantee failure threshold value
data, see Table 5.11.
X 'D2' SMART ENABLE/DISABLE ATTRIBUTE AUTOSAVE:
Enables (by setting the Sector Count field to a value other than 00h) or disables
(by setting the Sector Count field to 00h) a function that automatically saves
device attribute values ("automatic attribute save function"). This setting is
held regardless of whether the device is turned on or off. If the automatic
attribute save function is enabled and more than 15 minutes has elapsed since
the last time that attributes were saved, then the attributes are saved.
However, if the automatic attribute save function is disabled, the attributes
are not saved. Upon receiving this subcommand, a device enables or
disables the automatic attribute save function, and transfers the RegDH, then
reports the status.
In this drive, this function is enabled at the shipment from the factory.
X 'D3' SMART SAVE ATTRIBUTE VALUES:
When the device receives this subcommand, if saves device attribute value
data, and transfers the RegDH, then reports the status.
X 'D4' SMART EXECUTIVE OFF-LINE IMMEDIATE:
A device which receives this command starts collecting the off-line data
specified in the Sector Number field, or stops.
In the off-line mode, after transferring the RegDH, off-line data are
collected. In the captive mode, it collects off-line data then transfers the
RegDH when collection of data is completed.
SN Off-line data collection mode
00h: Off-line diagnosis (off-line mode)
01h: Simple self-test (off-line mode)
02h: Comprehensive self-test (off-line mode)
03h: Conveyance self-test (off-line mode)
04h: Selective self-test (off-line mode)
7Fh: Self-test stop
81h: Simple self-test (captive mode)
82h: Comprehensive self-test (captive mode)
83h: Conveyance self-test (captive mode)
84h: Selective self-test (captive mode)
C141-E280 5-55
- FOR SAFE OPERATION 2
- Revision History 3
- Preface 5
- Operating Environment 6
- Conventions 7
- Attention 7
- Liability Exception 7
- Hot Plug 8
- Important Alert Items 9
- Manual Organization 11
- Contents 13
- Illustrations 19
- CHAPTER 1 Device Overview 23
- 1.1 Features 24
- 1.1.3 Interface 25
- 1.2 Device Specifications 27
- 1.3 Power Requirements 30
- 1.5 Acoustic Noise 34
- 1.6 Shock and Vibration 34
- 1.7 Reliability 35
- (2) Positioning error 36
- 2.1 Device Configuration 42
- 2.2 System Configuration 43
- This page is intentionally 44
- blank 44
- 3.1 Dimensions 46
- 3.2 Mounting 47
- Mounting screw hole 51
- Cable connection 51
- 3.3.1 Device connector 53
- Installation Conditions 54
- 3-10 C141-E280 54
- 4.1 Outline 58
- 4.2 Subassemblies 58
- 4.3 Circuit Configuration 59
- 4.4 Power-on Sequence 62
- Power-on 63
- 4.5 Self-calibration 64
- 4.6 Read/write Circuit 66
- 4.6.3 Read circuit 67
- 4.6.4 Digital PLL circuit 67
- 4.7 Servo Control 68
- Diameter 71
- 4.7.3 Servo frame format 72
- 4.7.5 Spindle motor control 74
- CHAPTER 5 Interface 75
- 5.1 Physical Interface 76
- COMRESET/COMINIT 78
- 106.7 ns 78
- 106.7 ns 106.7 ns 78
- 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
- 5.3 Host Commands 101
- Interface 102
- 5-28 C141-E280 102
- 5.3.2 Command descriptions 104
- SN Sector count (15-8) 117
- FR Field = 03 (Mode3) 118
- 5-90 C141-E280 164
- 5.3 Host Commands 165
- Bit 0: Reserved 185
- Setup FIS 185
- → Low Power Idle 197
- → Low Power Idle → Standby 197
- 01h (*1) 198
- • SET MAX ADDRESS 212
- • Description 218
- Sector offset (7-0) 223
- • SCT WRITE DATA (SN = E1h) 237
- Table 5.43 Operation mode 240
- 5.3.3 Error posting 247
- 5.4 Command Protocol 249
- 5.4 Command Protocol 251
- PIO Setup 253
- 5-186 C141-E280 260
- C141-E280 5-187 261
- 5-188 C141-E280 262
- CHAPTER 6 Operations 263
- 6.1 Reset and Diagnosis 264
- earlier than the host) 265
- C141-E280 6-3 265
- 6.1.2 Response to COMRESET 266
- • Security mode state 267
- • SECURITY FREEZE LOCK 267
- • SECURITY UNLOCK 267
- 6.2 Power Save 270
- 6.2.2 Power commands 272
- 6.4 Read-ahead Cache 275
- 6.4.2 Caching operation 276
- 279
- Cache valid data 281
- START LBA 281
- LAST LBA 281
- 6.5 Write Cache 282
- IMPORTANT 283
- 7.1 Maintenance 286
- 7.1.3 Maintenance levels 289
- Disk drive 290
- Firmware 290
- A2 Revision 291
- A3 Revision 291
- 7.1.6 Self-diagnostics 292
- 7.1.7 Test 292
- Figure 7.3 Test flowchart 293
- C141-E280 7-9 293
- 7.2 Operation Confirmation 295
- 7.5 Spare Disk Drive 299
- Glossary 301
- Acronyms and Abbreviations 305
- Comment Form 315
- C141-E280-01EN 317
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