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2.5” Solid State Disk
Transcend Information Inc.
V1.08
20
READ LOG EXT (2Fh)
General purpose logging feature set mandatory 48-bit command. This command returns the specified log to the host.
Log 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 not generated on each sector, but on the
transfer of a block which contains the number of sectors defined by a Set Multiple command.
READ MULTIPLE EXT (29h)
48-bit feature set mandatory command. This command performs similarly to the Read Sectors command. Interrupts are
not generated on each sector, but on the transfer of a block which contains the number of sectors defined by a Set Multiple
command.
READ SECTOR(S) (20h/21h)
This command reads 1 to 256 sectors as specified in the Sector Count register from sectors which is set by Sector number
register. A sector count of 0 requests 256 sectors. The transfer beings specified in the Sector Number register.
READ SECTOR(S) EXT (24h)
48-bit feature set mandatory command. This command reads 1 to 65536 sectors as specified in the Sector Count register
from sectors which is set by Sector number register. A sector count of zero requests 65536 sectors. The transfer beings
specified in the Sector Number register.
READ VERIFY SECTOR(S) (40h/41h)
This command verifies one or more sectors on the drive by transferring data from the flash media to the data buffer in the
drive and verifying that the ECC is correct. This command is identical to the Read Sectors command, except that DRQ is
never set and no data is transferred to the host.
READ VERIFY SECTOR(S) EXT (42h)
48-bit feature set mandatory command. This command verifies one or more sectors on the drive by transferring data from
the flash media to the data buffer in the drive and verifying that the ECC is correct. This command is identical to the Read
Sectors command, except that DRQ is never set and no data is transferred to the host.