---
title: kIOATAMaximumBlockCount16Bit
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1646140-anonymous/kioatamaximumblockcount16bit
---

# kIOATAMaximumBlockCount16Bit

## Declaration

```occ
kIOATAMaximumBlockCount16Bit = (1 << kIOATASectorCount16Bit)
```