---
title: setSpeed
framework: kernel
role: pseudoSymbol
path: kernel/iodvdmedia/1811329-setspeed
---

# setSpeed

## Declaration

```occ
virtual IOReturn setSpeed(
 UInt16kilobytesPerSecond); 
```

## Parameters

- `kilobytesPerSecond`: Speed to be used for data transfers, in kB/s. kDVDSpeedMin specifies the minimum speed for all DVD media (1X). kDVDSpeedMax specifies the maximum speed supported in hardware.

## Return Value

Return Value Returns the status of the operation.

## Overview

Overview Set the speed to be used for data transfers.

## See Also

### Miscellaneous

- [getSpeed](kernel/iodvdmedia/1811144-getspeed.md)
- [readDiscInfo](kernel/iodvdmedia/1811197-readdiscinfo.md)
- [readRZoneInfo](kernel/iodvdmedia/1811250-readrzoneinfo.md)
- [readStructure](kernel/iodvdmedia/1811277-readstructure.md)
- [reportKey](kernel/iodvdmedia/1811294-reportkey.md)
- [sendKey](kernel/iodvdmedia/1811314-sendkey.md)