.\" $OpenBSD: xy.4,v 1.6 2003/07/09 13:26:20 jmc Exp $ .\" .\" Copyright (c) 1998 The OpenBSD Project .\" All rights reserved. .\" .\" .Dd March 4, 1998 .Dt XY 4 sparc .Os .Sh NAME .Nm xy .Nd Xylogics 450 or 451 VME SMD disk controller driver .Sh SYNOPSIS .Cd "xyc0 at vmes0 addr 0xffffee40 level 3 vect 0x48" Pq sun4 .Cd "xyc1 at vmes0 addr 0xffffee48 level 3 vect 0x49" Pq sun4 .Cd "xy* at xyc? drive ? " Pq sun4 .Sh DESCRIPTION The .Nm is a Xylogics 450/451 SMD disk controller found on sun4 systems with the VME bus. .Sh SEE ALSO .Xr intro 4 , .Xr xd 4 .Sh HISTORY The .Nm driver first appeared in .Nx and was written by .An Charles D. Cranor .