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Western Digital Hard Disk Drive OEM Specification
11.59 Write Buffer DMA (EBh)
Command Block Output Registers
Command Block Input Registers
Table 250 Write Buffer DMA Command (EBh)
The Write Buffer DMA command transfers a sector of data from the host to the sector buffer of the device. The
sectors of data are transferred through the Data Register 16 bits at a time.
The Read Buffer and Write Buffer commands are synchronized such that sequential Write Buffer and Read Buffer
commands access the same 512 byte within the buffer.
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