Transcend SSD25S Datasheet Download Page 31 | Manualshive

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2.5” Solid State Disk

Transcend Information Inc.

V1.08

31

SMART Function Set (B0h)

Performs different processing required for predicting device failures, according to the subcommand specified in the

Features register. If the Features register contains an unsupported value, the Aborted Command error is returned. If the

SMART function is disabled, any subcommand other than SMART ENABLE OPERATIONS results in the Aborted

Command error.

Code

Smart Subcommand

D0h READ

DATA

D1h

READ ATTRIBUTE THRESHOLDS

D2h ENABLE/DISABLE

ATTRIBUTE

AUTOSAVE

D3h SAVE

ATTRIBUTE

VALUES

D5h Reserved

D6h Reserved

D8h ENABLE

OPERATIONS

D9h DISABLE

OPERATIONS

DAh RETURN

STATUS

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Summary of Contents for SSD25S

Page 1: ...ription Due to smaller size fit the standard dimensions of 2 5 SATA Hard Disk Drives huge capacity high speed and low power consumption Solid State Disk is perfect replacement storage device for PCs L...

Page 2: ...Specifications Physical Specification Form Factor 2 5 inch HDD Storage Capacities 8 GB to 192 GB Length 100 0 0 0 40 Width 69 85 0 20 Dimensions mm Height 9 50 0 15 Input Voltage 5V 5 Weight 55g 5g C...

Page 3: ...l Write Max TS8GSSD25S S 150 MB s 90 MB s TS16GSSD25S M 150 MB s 50 MB s TS16GSSD25S S 150 MB s 100 MB s TS32GSSD25S M 150 MB s 90 MB s TS32GSSD25S S 150 MB s 120 MB s TS64GSSD25S M 150 MB s 90 MB s T...

Page 4: ...5 5S S S M M M 2 5 Solid State Disk Transcend Information Inc V1 08 4 Note Reference to the IEC 60068 2 6 Testing procedures Operating Sine wave 5 800Hz 1 oct 1 5mm 3g 0 5 hr axis total 1 5 hrs Note...

Page 5: ...S S S S M M M T T TS S S6 6 64 4 4G G GS S SS S SD D D2 2 25 5 5S S S S S S M M M T T TS S S1 1 12 2 28 8 8G G GS S SS S SD D D2 2 25 5 5S S S M M M T T TS S S1 1 19 9 92 2 2G G GS S SS S SD D D2 2 25...

Page 6: ...S S SD D D2 2 25 5 5S S S S S S M M M T T TS S S1 1 12 2 28 8 8G G GS S SS S SD D D2 2 25 5 5S S S M M M T T TS S S1 1 19 9 92 2 2G G GS S SS S SD D D2 2 25 5 5S S S M M M 2 5 Solid State Disk Transce...

Page 7: ...S S3 3 32 2 2G G GS S SS S SD D D2 2 25 5 5S S S S S S M M M T T TS S S6 6 64 4 4G G GS S SS S SD D D2 2 25 5 5S S S S S S M M M T T TS S S1 1 12 2 28 8 8G G GS S SS S SD D D2 2 25 5 5S S S M M M T T...

Page 8: ...static dynamic wear leveling When the host writes data the controller will find and use the block with the lowest erase count among the free blocks This is known as dynamic wear leveling When the fre...

Page 9: ...id State Disk Transcend Information Inc V1 08 9 SATA Interface Out of bank signaling There shall be three Out Of Band OOB signals used detected by the Phy COMRESET COMINIT and COMWAKE COMINIT COMRESET...

Page 10: ...e 1 Sustained continued uninterrupted as long as the system hard reset is asserted or 2 Started during the system hardware reset and ended some time after the negation of system hardware reset or 3 Tr...

Page 11: ...in the host causes the host to issue COMRESET 3 Host releases COMRESET Once the condition causing the COMRESET is released the host releases the COMRESET signal and puts the bus in a quiescent conditi...

Page 12: ...aracters at its lowest supported rate Meanwhile the host receiver locks to the ALIGN sequence and when ready returns the ALIGN sequence to the device at the same speed as received A host shall be desi...

Page 13: ...a COMWAKE 4 Device responds The device detects the COMWAKE sequence on its RX pair and calibrates its transmitter optional Following calibration the device sends a six burst COMWAKE sequence and then...

Page 14: ...shall be designed such that it acquires lock in 54 6 us 2048 nominal Gen1 Dword times at any given speed The host should allow for at least 873 8 us 32768 nominal Gen1 Dword times after detecting the...

Page 15: ...esponse from the host as determined by detection of ALIGNP primitives received from the host the device assumes that the host cannot communicate at that speed If additional speeds are available the de...

Page 16: ...O X FLUSH CACHE EXT EAh X X X O O X IDENTIFY DEVICE ECh X X X O X X IDLE E3h O X X O X X IDLE IMMEDIATE E1h X X X O X X INITIALIZE DEVICE PARAMETERS 91h O X X O O X READ BUFFER E4h X X X O X X READ DM...

Page 17: ...PLE MODE C6h O X X O X X SLEEP E6h X X X O X X SMART B0h X X O O X O STANDBY E2h X X X O X X STANDBY IMMEDIATE E0h X X X O X X WRITE BUFFER E8h X X X O X X WRITE DMA CAh or CBh O O O O O X WRITE DMA E...

Page 18: ...d by the drive FLUSH CACHE E7h This command is used by the host to request the device to flush the write cache If there is data in the write cache that data shall be written to the media The BSY bit s...

Page 19: ...fic configuration 3 0010h F Number of logical heads 4 5 0000h X Retired 6 003Fh F Number of logical sector per logical track 7 8 0000h Reserved for assignment by the CompactFlash_ Association 9 0000h...

Page 20: ...words 58 54 are valid 0 the fields reported in words 58 54 are not valid 54 XXXXh X Number of current cylinders 55 00XXh X Number of current heads 56 XXXXh X Number of current sector per track 57 58...

Page 21: ...0Gb s 1 1 Supports SATA Gen1 Signaling Speed 1 5Gb s 0 Shall be cleared to zero 77 0000h Reserved for Serial ATA 78 0008h F F F F F F Serial ATA feature supported 15 7 Reserved for Serial ATA 6 1 Dev...

Page 22: ...supported 4 Shall be cleared to zero to indicate that the PACKET Command feature set is not supported 3 1 mandatory Power Management feature set supported 2 1 Removable Media feature set supported 1...

Page 23: ...nd is supported 11 Obsolete 10 1 HPA feature set is supported 9 Shall be cleared to zero to indicate that the DEVICE RESET command is not supported 8 1 The SERVICE interrupt is enabled 7 1 The release...

Page 24: ...1 SMART error logging supported 88 203Fh V V V V V V V F F F F F F F Ultra DMA modes 15 Reserved 14 1 Ultra DMA mode 6 is selected 0 Ultra DMA mode 6 is not selected 13 1 Ultra DMA mode 5 is selected...

Page 25: ...0h F F F F F F F Commands and feature sets supported Continued from words 84 82 15 Shall be cleared to zero 14 Shall be set to one 13 6 Reserved 5 1 The Free fall Control feature set is supported 4 1...

Page 26: ...these values may change when media is removed or changed V the contents of the word is variable and may change depending on the state of the device or the commands executed by the device X the conten...

Page 27: ...og Address Log Name Feature Set R W Access 00h Log directory N A RO GPL 10h NCQ Command Error NCQ RO GPL READ MULTIPLE C4h This command performs similarly to the Read Sectors command Interrupts are no...

Page 28: ...nt drive performs no processing if it receives this command It is supported for backward compatibility with previous devices SECURITY DISABLE PASSWORD F6h Disables any previously set user password and...

Page 29: ...r hard reset If the SECURITY FREEZE LOCK command is issued when the drive is placed in Frozen mode the drive executes the command staying in Frozen mode SECURITY SET PASSWORD F1h This command set user...

Page 30: ...ly a NOP command to the device although it does perform a range check SET FEATURES EFh This command set parameter to Features register and set drive s operation For transfer mode parameter is set to S...

Page 31: ...scend Information Inc V1 08 31 SMART Function Set B0h Performs different processing required for predicting device failures according to the subcommand specified in the Features register If the Featur...

Page 32: ...byte SMART Data Structure to the host with PIO data in protocol The register file has to contain D0h for Features register 4Fh for LBA Mid register and C2h for the LBA High register Byte Description 0...

Page 33: ...ID Description Byte Description E5h Halt System ID Flash ID 0 1 2 3 4 5 6 7 Halt System ID Flash ID byte 1 Flash ID byte 2 Flash ID byte 3 Flash ID byte 4 Flash ID byte 5 Flash ID byte 6 Flash ID byt...

Page 34: ...em Free Block Count High Byte System Free Block Count Low Byte Reserved Reserved Reserved ECh FFh Reserved SMART READ ATTRIBUTE THRESHOLD This transfers 512 bytes of drive failure threshold data to th...

Page 35: ...disables all SMART capabilities including any and all timer and event count functions related exclusively to this feature After command acceptance this controller will disable all SMART operations SM...

Page 36: ...ntents of one 512 byte block of data to the device s buffer WRITE DMA CAh Write data to sectors during Ultra DMA and Multiword DMA transfer Use the SET FEATURES command to specify the mode value WRITE...

Page 37: ...r of a block which contains the number of sectors defined by Set Multiple command WRITE MULTIPLE FUA EXT CEh 48 bit feature set mandatory command This command provides the same functionality as the WR...

Page 38: ...its accuracy and assumes no liability in connection with the use of this product Transcend reserves the right to make changes to the specifications at any time without prior notice USA Los Angeles E m...

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