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

# amdsmn(4)

device driver for AMD processor System Management Network

## NAME

**amdsmn** – device driver for AMD processor System Management Network

## SYNOPSIS

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

**device amdsmn**

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

```
amdsmn_load="YES"
```

## DESCRIPTION

The **amdsmn** driver provides support for resources on the System Management Network bus in AMD Family 17h processors.

## SEE ALSO

[loader(8)](/loader/8.md)

## HISTORY

The **amdsmn** driver first appeared in FreeBSD 12.0.

## AUTHORS

Conrad Meyer ⟨*cem@FreeBSD.org*⟩