---
title: ataAltSDevCReg
framework: Kernel
role: symbol
role_heading: Instance Property
platforms: [macOS 11.0+]
path: kernel/ataregisterimage/1513829-ataaltsdevcreg
---

# ataAltSDevCReg

## Declaration

```occ
UInt8 ataAltSDevCReg;
```