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2.5” Solid State Disk
Transcend Information Inc.
V2.2
READ DMA (C8h)
Read data from sectors during Ultra DMA and Multiword DMA transfer. Use the SET FEATURES command to specify the
mode value. A sector count of zero requests 256 sectors.
READ DMA EXT (25h)
48-bit feature set mandatory command. Read data from sectors during Ultra DMA and Multiword DMA transfer. Use the
SET FEATURES command to specify the mode value. A sector count of zero requests 65536 sectors.
READ FPDMA QUEUED (60h)
NCQ feature set mandatory 48-bit command. This command requests that data to be transferred from the device to the
host.
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.