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.\" $OpenBSD: ami.4,v 1.12 2003/03/14 10:07:35 jmc Exp $
.\"
.\" Copyright (c) 2001 Michael Shalayeff. All rights reserved.
.\" Public Domain.
.\"
.Dd March 9, 2001
.Dt AMI 4
.Os
.Sh NAME
.Nm ami
.Nd American Megatrends Inc. MegaRAID Controllers
.Sh SYNOPSIS
.Cd "ami* at pci? dev ? function ?"
.Cd "scsibus* at ami?"
.Sh DESCRIPTION
The
.Nm
driver provides support for MegaRAID family of RAID controllers.
.Pp
These controllers support RAID 0, RAID 1, RAID 5, JBOD
and superpositions of those configurations.
.Pp
Some cards support both I2O and so called `Mass Storage' mode
of operation.
This driver only supports the `Mass Storage' mode, I2O mode is supported
by the
.Xr iop 4
driver.
.Pp
Although the controllers are actual RAID controllers the driver makes them
look just like SCSI controllers.
All RAID configuration is done through the controllers' BIOSes.
.Sh SEE ALSO
.Xr intro 4 ,
.Xr iop 4 ,
.Xr pci 4 ,
.Xr scsi 4 ,
.Xr sd 4
.Sh AUTHORS
The
.Nm
driver was written by
.An Michael Shalayeff Aq mickey@openbsd.org .
.Sh HISTORY
The
.Nm
driver first appeared in
.Ox 2.9 .
.Sh BUGS
The
.Tn IDE
versions of these controllers were not tested.
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