---
title: kIOACPIAddressSpaceIDSMBus
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1638138-anonymous/kioacpiaddressspaceidsmbus
---

# kIOACPIAddressSpaceIDSMBus

## Declaration

```occ
kIOACPIAddressSpaceIDSMBus = 4
```