---
title: getSpeed
framework: kernel
role: pseudoSymbol
path: kernel/iocdmedia/1811353-getspeed
---

# getSpeed

## Declaration

```occ
virtual IOReturn getSpeed(
 UInt16 *kilobytesPerSecond); 
```

## Parameters

- `kilobytesPerSecond`: Returns the current speed used for data transfers, in kB/s. kCDSpeedMin specifies the minimum speed for all CD media (1X). kCDSpeedMax specifies the maximum speed supported in hardware.

## Return Value

Return Value Returns the status of the operation.

## Overview

Overview Get the current speed used for data transfers.

## See Also

### Miscellaneous

- [getTOC](kernel/iocdmedia/1811363-gettoc.md)
- [read](kernel/iocdmedia/1811376-read.md)
- [readCD()](kernel/iocdmedia/1811386-readcd.md)
- [readCD()](kernel/iocdmedia/1811393-readcd.md)
- [readDiscInfo](kernel/iocdmedia/1811402-readdiscinfo.md)
- [readISRC](kernel/iocdmedia/1811412-readisrc.md)
- [readMCN](kernel/iocdmedia/1811424-readmcn.md)
- [readTOC](kernel/iocdmedia/1811431-readtoc.md)
- [readTrackInfo](kernel/iocdmedia/1811438-readtrackinfo.md)
- [setSpeed](kernel/iocdmedia/1811448-setspeed.md)