The following is a list of supported SCBS commands.

┌───────────┬──────────────────────────────────────────┬───────┐
│Command    │Command                                   │Hex    │
│Type       │                                          │Code   │
├───────────┼──────────────────────────────────────────┼───────┤
│SCB        │Device Inquiry                            │0B     │
├───────────┼──────────────────────────────────────────┼───────┤
│SCB        │Format Unit                               │16     │
├───────────┼──────────────────────────────────────────┼───────┤
│SCB        │Get Command Complete Status               │07     │
├───────────┼──────────────────────────────────────────┼───────┤
│SCB        │Read Data                                 │01     │
├───────────┼──────────────────────────────────────────┼───────┤
│SCB        │Read Device Capacity                      │09     │
├───────────┼──────────────────────────────────────────┼───────┤
│SCB        │Read Prefetch                             │31     │
├───────────┼──────────────────────────────────────────┼───────┤
│SCB        │Read Verify                               │03     │
├───────────┼──────────────────────────────────────────┼───────┤
│SCB        │Reassign Block                            │18     │
├───────────┼──────────────────────────────────────────┼───────┤
│SCB        │Request Sense                             │08     │
├───────────┼──────────────────────────────────────────┼───────┤
│SCB        │Send Other SCSI Command (SCSI CDB)        │1F     │
├───────────┼──────────────────────────────────────────┼───────┤
│SCB        │Write Data                                │02     │
├───────────┼──────────────────────────────────────────┼───────┤
│SCB        │Write with Verify                         │04     │
└───────────┴──────────────────────────────────────────┴───────┘

Note: The hex code represents bits 5 - 0 of the first command word.

The adapter maintains a Command Complete status block for each of the command blocks. The command blocks are updated at the completion of each command. This command status block can be obtained by using the Get Command Complete Status Block command. See Command Complete Status Block.

The format for each command is given following the associated command.