.\"	$OpenBSD: cac.4,v 1.4 2000/12/18 15:49:44 mickey Exp $
.\"
.\" Copyright (c) 2000 Michael Shalayeff.  All rights reserved.
.\"
.\"
.Dd December 17, 2000
.Dt CAC 4
.Os
.Sh NAME
.Nm cac
.Nd Compaq Smart ARRAY RAID controllers
.Sh SYNOPSIS
.Cd "cac* at pci? dev ? function ?"
.Cd "cac* at eisa? slot ?"
.Cd "scsibus* at cac?"
.Sh DESCRIPTION
The
.Nm
driver provides support for the following RAID controllers:
.Tn Compaq Integrated Array ,
.Tn Compaq IAES ,
.Tn Compaq IDA ,
.Tn Compaq IDA-2 ,
.Tn Compaq RAID LC2 ,
.Tn Compaq Smart Array 221 ,
.Tn Compaq Smart Array 3100ES ,
.Tn Compaq Smart Array 3200 ,
.Tn Compaq Smart Array 4200 ,
.Tn Compaq Smart Array 4250ES ,
.Tn Compaq Smart Array 431 ,
.Tn Compaq SMART ,
.Tn Compaq SMART-2/E ,
.Tn Compaq SMART-2/P ,
.Tn Compaq SMART-2DH ,
.Tn Compaq SMART-2SL .
.Pp
All the RAID set volume management is done via the card BIOS.
.Pp
The driver makes drives and/or RAID sets appear as
.Xr sd 4 .
.Sh SEE ALSO
.Xr intro 4 ,
.Xr scsi 4 ,
.Xr sd 4
.Sh AUTHORS
The
.Nm
driver was written by
.An Michael Shalayeff Aq mickey@opensbd.org ,
inspired by the
.Nx
driver by
.An Andrew Doran Aq ad@netbsd.org .
.Sh HISTORY
The
.Nm
driver first appeared in
.Ox 2.9 .
.Sh BUGS
The card provides a mechanism to receive asynchronous notifications
about RAID set status change and so forth, unfortunately this
information is not public.
.Pp
Only a few PCI cards were tested, but others should work.