---
title: kIOMediaAttributeReservedMask
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1644056-anonymous/kiomediaattributereservedmask
---

# kIOMediaAttributeReservedMask

## Declaration

```occ
kIOMediaAttributeReservedMask = 0xFFFFFFFC
```