---
title: kIOFWDisableAllPhysicalAccess
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1645951-anonymous/kiofwdisableallphysicalaccess
---

# kIOFWDisableAllPhysicalAccess

## Declaration

```occ
kIOFWDisableAllPhysicalAccess = (1 << 1)
```

## Discussion

Discussion Disable all physical memory access