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6 Byte CBD. +======-========-========-========-========-========-========-========-========+ | Bit| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |Byte | | | | | | | | |

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  1. 6 Byte CBD +======-========-========-========-========-========-========-========-========+ | Bit| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |Byte | | | | | | | | | |======+=======================================================================| | 0 | Operation code | |------+-----------------------------------------------------------------------| | 1 | Logical unit number | (MSB) | |------+------------------------------ ---| | 2 | Logical block address (if required) | |------+--- ---| | 3 | (LSB) | |------+-----------------------------------------------------------------------| | | Transfer length (if required) | | 4 | Parameter list length (if required) | | | Allocation length (if required) | |------+-----------------------------------------------------------------------| | 5 | Control | +==============================================================================+

  2. 10 Byte CBD +======-========-========-========-========-========-========-========-========+ | Bit| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |Byte | | | | | | | | | |======+=======================================================================| | 0 | Operation code | |------+-----------------------------------------------------------------------| | 1 | Logical unit number | DPO | FUA | Reserved | REL | |------+-----------------------------------------------------------------------| | 2 | (MSB) | |------+--- ---| | 3 | | |------+--- Logical block address (if required) ---| | 4 | | |------+--- ---| | 5 | (LSB) | |------+-----------------------------------------------------------------------| | 6 | Reserved | |------+-----------------------------------------------------------------------| | 7 | (MSB) Transfer length (if required) | |------+--- Parameter list length (if required) ---| | 8 | Allocation length (if required) (LSB) | |------+-----------------------------------------------------------------------| | 9 | Control | +==============================================================================+

  3. 12 Byte CBD +======-========-========-========-========-========-========-========-========+ | Bit| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |Byte | | | | | | | | | |======+=======================================================================| | 0 | Operation code | |------+-----------------------------------------------------------------------| | 1 | Logical unit number | DPO | FUA | Reserved | REL| |------+-----------------------------------------------------------------------| | 2 | (MSB) | |------+--- ---| | 3 | | |------+--- Logical block address (if required) ---| | 4 | | |------+--- ---| | 5 | (LSB) | |------+-----------------------------------------------------------------------| | 6 | (MSB) | |------+--- ---| | 7 | Transfer length (if required) | |------+--- Parameter list length (if required) ---| | 8 | Allocation length (if required) | |------+--- ---| | 9 | (LSB) | |------+-----------------------------------------------------------------------| |10 | Reserved | |------+-----------------------------------------------------------------------| |11 | Control | +==============================================================================+

  4. 16 Byte CBD

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