, , . , . IDE , SCSI .
, , . , :
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, . (). , . (5 12 ), , , 5 . , 12 , 5 . , . , , . , . , . , ..
S.M.A.RT.
, (Self)Monitoring, Analysis and Reporting Technology - S.M.A.RT.) - , . S.M.A.R.T. , .
. , S.M.A.R.T. BIOS , , .
S.M.A.R.T. . Seagate, 60% . S.M.A.R.T. , , , , ..
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S.M.A.R.T. BIOS (, , , ). S.M.A.RT. , Norton Smart Doctor Symantec, EZ Microhouse International Data Advisor Ontrack Data International.
, , Scandisk, . , . " " , S.M.A.RT. , - .
- S.M.A.R.T., . "" . , .
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, SMART, . , SMART :
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, SMART-, :
- SMART .
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- ( - , - HDD, , , Victoria.
- ( -, , HEX - ).
- (, firmware , , " " "").
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| SMART | |||
| Hex | |||
| Raw Read Error Rate | * * , | ||
| Throughput Performance | . , , | ||
| Spin-Up Time | * * | ||
| Start/Stop Count | / . (, Seagate) - . raw value / | ||
| Reallocated Sectors Count | * * . /, "", . bad- - . remapping, - remap. , . raw value | ||
| Read Channel Margin | . . | ||
| Seek Error Rate | * * . , / | ||
| Seek Time Performance | . , | ||
| Power-On Hours (POH) | , . (MTBF - mean time between failure). | ||
| 0A | Spin-Up Retry Count | * * , . , . | |
| 0B | Recalibration Retries | , . , | |
| 0C | Device Power Cycle Count | - | |
| 0D | Soft Read Error Rate | ||
| BE | Airflow Temperature (WDC) | Western Digital. Seagate (100 - HDA temperature). | |
| BF | G-sense error rate | , | |
| C0 | Power-off retract count | Number of power-off or emergency retract cycles | |
| C1 | Load/Unload Cycle | / | |
| C2 | HDA temperature | ||
| C3 | Hardware ECC Recovered | , . SATA- "" - SATA- "" | |
| C4 | Reallocation Event Count | * * . "raw value" . , . | |
| C5 | Current Pending Sector Count | * * , . , , . . . | |
| C6 | Uncorrectable Sector Count | * * {, " ", !}. / | |
| C7 | UltraDMA CRC Error Count | , | |
| C8 | Write Error Rate /Multi-Zone Error Rate | , . | |
| C9 | Soft read error rate | Number of off-track errors | |
| Ca | Data Address Mark errors | Number of Data Address Mark (DAM) errors (or) vendor-specific | |
| CB | Run out cancel | ECC | |
| CC | Soft ECC correction | ECC, | |
| CD | Thermal asperity rate (TAR) | Number of thermal asperity errors | |
| CE | Flying height | ||
| CF | Spin high current | Amount of high current used to spin up the drive | |
| D0 | Spin buzz | Number of buzz routines to spin up the drive | |
| D1 | Offline seek performance | Drive's seek performance during offline operations | |
| DC | Disk Shift | ** . - . . | |
| DD | G-Sense Error Rate | , - . | |
| DE | Loaded Hours | , | |
| DF | Load/Unload Retry Count | / / | |
| E0 | Load Friction | ||
| E2 | Load 'In'-time | , | |
| E3 | Torque Amplification Count | ||
| E4 | Power-Off Retract Cycle | ||
| E6 | GMR Head Amplitude | "" ( ) | |
| E7 | Temperature | ||
| F0 | Head flying hours | ||
| FA | Read error retry rate |
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(. interface) - , , , , , , . ATA (AT Attachment, IDE - Integrated Drive Electronic, Parallel ATA), (EIDE), Serial ATA, SCSI (Small Computer System Interface), SAS, FireWire, USB, SDIO Fibre Channel.
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(. capacity) - , . 2000 . () , 1024 (=1024, =1 048 576 . .; ), 1000 . , ., "" , "200 ", 186,2 .
(-) (. dimension) - (2001-2008 ) 3,5, 2,5 . . - 1,8 , 1,3 , 1 0,85 . 8 5,25 .
(. random access time) - , . 2,5 16 , , (, Hitachi Ultrastar 15K147 - 3,7 ), - (Seagate Momentus 5400.3 - 12,5).
(. spindle speed) - . . : 4200, 5400 7200 (), 7200 10 000 ( ), 10 000 15 000 ./. ( ).
(. reliability) - (Mean Time Between Failures, MTBF). . : SMART (S.M.A.R.T. (. Self Monitoring Analysing and Reporting Technology) - , ).
- - 50 ./ 100 ./ .
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, - , . . 26 . ( ) .
(. G-shock rating) - , .
(. Transfer Rate): : 44,2 74,5 / S : 60,0 111,4 / : , / . (2008 ) HDD 8 32 .
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- CD (CD-ROM, CD-R, CD-RW);
- DVD (DVD-ROM, DVD-RAM, DVD-RW, DVD-R, DVD+RW, DVD+R).
