OpenBSD manual page server

Manual Page Search Parameters

BSE(4) Device Drivers Manual BSE(4)

bseBroadcom GENET 10/100/1Gb Ethernet device

bse* at acpi?
bse* at fdt?
brgphy* at mii?

The bse driver provides support for the Broadcom GENET controller found on the Raspberry Pi4.

The bse driver supports several media types, which are selected via the ifconfig(8) command. The supported media types are:

media autoselect
Attempt to autoselect the media type (default)
media 1000baseT mediaopt full-duplex
Use 1000baseT on copper, full duplex
media 1000baseT [mediaopt half-duplex]
Use 1000baseT on copper, half duplex
media 100baseTX mediaopt full-duplex
Use 100baseTX, full duplex
media 100baseTX [mediaopt half-duplex]
Use 100baseTX, half duplex
media 10baseT mediaopt full-duplex
Use 10baseT, full duplex
media 10baseT [mediaopt half-duplex]
Use 10baseT, half duplex

arp(4), brgphy(4), ifmedia(4), inet(4), intro(4), netintro(4), hostname.if(5), ifconfig(8)

The bse driver first appeared in OpenBSD 6.7.

The bse driver was written by Jared D. McNeill for NetBSD and ported to OpenBSD by Mark Kettenis <>.

September 8, 2021 OpenBSD-current