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Toshiba Corporation Digital Media Network Company
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11.8.42.2 SMART Read Attribute thresholds
COMMAND CODE
1 0 1 1 0 0 0 0
REGISTER
REGISTER SETTING NORMAL COMPLETION
DR DRIVE No. no change
CY C24Fh no change
HD no change
SN no change
SC
FT D1h no change
This command transfers attribute thresholds of the drive as 512 byte data.
Upon receipt of the command, the drive sets BSY, sets SMART data on the buffer, then, sets DRQ, resets
BSY and issues an interrupt to report to the host that data transfer is ready.
Byte Descriptions
0-1 Data structure revision number
2-361 1st-30th Individual attribute threshold data
362-510 Reserved
511 Data structure checksum
BYTE 0-1: Data structure revision number
The value for this byte is 0010h.
BYTE 2-361: Individual attribute threshold data
Individual attribute threshold data consists of 12 byte data. ( See the following fig.)
Byte Description
0 Attribute ID number 01h - FFh
1 Attribute Threshold
00h= Always passed
01h= Minimum value
FDh= Maximum value
FEh, FFh= Not in use
2-11 Reserved
BYTE 362-510: Reserved
BYTE 511: Data structure checksum
The checksum of the first 511 byte.