---
name: "snd_cmi"
section: "4"
platform: "freebsd"
package: "base"
version: "16.0-CURRENT-20261027-61c70dc16a79"
release: "FreeBSD 16.0-CURRENT (2026-10-27)"
platforms: ["linux", "freebsd"]
url: "https://new.carta.tech/snd_cmi"
---

# snd\_cmi(4)

CMedia CMI8338/CMI8738 PCI bridge device driver

## NAME

**snd\_cmi** – CMedia CMI8338/CMI8738 PCI bridge device driver

## SYNOPSIS

To compile this driver into the kernel, place the following lines in your kernel configuration file:

**device sound** **device snd\_cmi**

Alternatively, to load the driver as a module at boot time, place the following line in [loader.conf(5)](/loader.conf/5.md):

```
snd_cmi_load="YES"
```

## DESCRIPTION

The **snd\_cmi** bridge driver allows the generic audio driver [sound(4)](/sound/4.md) to attach to the CMedia CMI8338/CMI8738 audio cards.

## HARDWARE

The **snd\_cmi** driver supports the following sound cards:

- CMedia CMI8338A

- CMedia CMI8338B

- CMedia CMI8738

- CMedia CMI8738B

## SEE ALSO

[sound(4)](/sound/4.md)

## HISTORY

The **snd\_cmi** device driver first appeared in FreeBSD 4.3.

## AUTHORS

Orion Hodson ⟨*O.Hodson@cs.ucl.ac.uk*⟩