FUJITSU MHR2030AT - Manual (Page 186)

Interface
5-112 C141-E145-02EN
5.4.4 Other commands
• READ MULTIPLE (EXT)
• SLEEP
• WRITE MULTIPLE (EXT)
See the description of each command.
5.4.5 DMA data transfer commands
• READ DMA (EXT)
• WRITE DMA (EXT)
Starting the DMA transfer command is the same as the READ SECTOR(S) or
WRITE SECTOR(S) command except the point that the host initializes the DMA
channel preceding the command issuance.
Interruption processing for DMA transfer does not issue interruptions in any
intermediate sector when a multisector command is executed.
The following outlines the protocol: