---
title: setSpeed
framework: kernel
role: pseudoSymbol
path: kernel/iobdmedia/1811802-setspeed
---

# setSpeed

## Declaration

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

## Parameters

- `kilobytesPerSecond`: Speed to be used for data transfers, in kB/s. kBDSpeedMin specifies the minimum speed for all BD media (1X). kBDSpeedMax 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/iobdmedia/1811688-getspeed.md)
- [readDiscInfo](kernel/iobdmedia/1811707-readdiscinfo.md)
- [readStructure](kernel/iobdmedia/1811722-readstructure.md)
- [readTrackInfo](kernel/iobdmedia/1811739-readtrackinfo.md)
- [reportKey](kernel/iobdmedia/1811756-reportkey.md)
- [sendKey](kernel/iobdmedia/1811776-sendkey.md)
- [splitTrack](kernel/iobdmedia/1811824-splittrack.md)