---
title: kSCSIProtocolFeature_ProtocolSpecificSleepCommand
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1638592-anonymous/kscsiprotocolfeature_protocolspecificsleepcommand
---

# kSCSIProtocolFeature_ProtocolSpecificSleepCommand

## Declaration

```occ
kSCSIProtocolFeature_ProtocolSpecificSleepCommand = 4
```

## Discussion

Discussion Used to determine if the SCSI Protocol Services Driver supports protocol specific sleep commands to a drive. This is used for sleeping drives specifically ATAPI devices on ATA buses.