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

# kSCSIProtocolFeature_ProtocolSpecificAsyncNotification

## Declaration

```occ
kSCSIProtocolFeature_ProtocolSpecificAsyncNotification = 14
```

## Discussion

Discussion Used to determine if the SCSI Protocol Services Driver supports asynchronous notifications from the drive. This is used to prevent polling for media, specifically for SATAPI devices on AHCI buses.