OpenBSD manual page server

Manual Page Search Parameters

SSM(4) Device Drivers Manual (sparc64) SSM(4)

ssmScalable Shared Memory

ssm* at mainbus0

The ssm driver provides support for the Scalable Shared Memory devices found on Serengeti and Starcat systems. These devices are used to connect snoopy coherency domains together in a coherent fashion to build systems with more than 24 CPUs.


The ssm driver first appeared in OpenBSD 4.4.

The ssm driver was written by Mark Kettenis <>.

July 16, 2013 OpenBSD-current