---
title: kIOMaxBusStall20usec
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [driverkit 20.0+, macOS 11.0+]
path: kernel/3689532-anonymous/kiomaxbusstall20usec
---

# kIOMaxBusStall20usec

## Declaration

```occ
kIOMaxBusStall20usec = 20000
```