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

# kSCSIProtocolFeature_ProtocolSpecificPolling

## Declaration

```occ
kSCSIProtocolFeature_ProtocolSpecificPolling = 3
```

## Discussion

Discussion Used to determine if the SCSI Protocol Services Driver supports protocol specific polling for media. This is used for low-power polling specifically for ATAPI devices on ATA buses