| Value | Meaning |
|---|---|
| UNKNOWN0 | Unknown or drive doesn't support start/stop. |
| SHUTDOWN1 | The stop method will physically shut down the drive and e.g. power down the port the drive is attached to. |
| NETWORK2 | The start/stop methods are used for connecting/disconnect to the drive over the network. |
| MULTIDISK3 | The start/stop methods will assemble/disassemble a virtual drive from several physical drives. |
| PASSWORD4 | The start/stop methods will unlock/lock the disk (for example using the ATA <quote>SECURITY UNLOCK DEVICE</quote> command) |
Enumeration describing how a drive can be started/stopped.