Table 206 - FORMAT command
=============================================================================== | Bit| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |Byte | | | | | | | | | |=============================================================================| | 0 | Operation code (04h) | |-----------------------------------------------------------------------------| | 1 | Logical unit number | Reserved | Format type | |-----------------------------------------------------------------------------| | 2 | (MSB) | |--------- ---| | 3 | Transfer length | |--------- ---| | 4 | (LSB) | |-----------------------------------------------------------------------------| | 5 | Control | ===============================================================================The format type field specifies the type of format information to be transferred from the initiator to the target. This field is defined in table 207.
Table 207 - Format type
============================== | Code | Format type | |----------------------------| | 00b | Set form | | 01b | Set font | | 10b | Vendor-specific | | 11b | Reserved | ==============================The transfer length specifies the length in bytes of format information that shall be transferred during the DATA OUT phase. A transfer length of zero indicates that no format information shall be transferred. This condition shall not be considered as error.