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This figure shows the descriptor block for the Mode Sense 6 (1Ah) command.
Byte 0: Operation Code (1Ah)
Byte 1: Reserved Bit 7 to 4, DPD (1) Bit 3, Reserved Bit 2 to 0
Byte 2: Page Control Bit 7 to 6, Page Code Bit 5 to 0
Byte 3: SubPage Code (00h)
Byte 4: Allocation Length
Byte 5: Control Byte (00h)