mcbus(4)

mcbus4

Mcbus system bus

Usage

mcbus* at mainbus0 mcmem* at mcbus? mid ?

Overview

The mcbus driver provides support for the MCBUS system bus found on AlphaServer 4100 and 1200 systems.

The following devices are supported by the mcbus driver:

mcmem

memory modules attached to the MCBUS main system bus.

mcpcia

MCPCIA MCBUS-to-PCI bus adapter

Bugs

Only one MCBUS bus can exist within the system.

From man 8.0-current-20261101 in OpenBSD 8.0-current (2026-11-01). Parsed by carta from the page's mdoc source.