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1.\" Copyright (c) 2000 Adaptec, Inc.
2.\" All rights reserved.
3.\"
4.\" Manpage cleanup by: Jeroen Ruigrok van der Werven <asmodai@FreeBSD.org>
5.\"
6.\" $FreeBSD: head/share/man/man4/asr.4 79727 2001-07-14 19:41:16Z schweikh $
7.\"
8.Dd October 27, 2000
9.Dt ASR 4 i386
10.Os
11.Sh NAME
12.Nm asr
13.Nd driver for Adaptec I2O based SCSI/ATA host bus adapters
14.Sh SYNOPSIS
15.Cd "device asr"
16.Sh DESCRIPTION
17The Adaptec
18.Nm
19driver provides access to disks
20and disk arrays controlled by I2O based host bus adapters and
21SmartRAID SCSI RAID adapters through the standard SCSI disk
22.Xr da 4
23interface.
24The adapters currently supported include the following RAID adapters:
25.Pp
26.Bl -tag -width "Adaptec SmartRAID PM1554" -compact
27.It Adaptec SCSI RAID 2100S
28.It Adaptec ATA-100 RAID 2400A
29.It Adaptec SCSI RAID 3200S
30.It Adaptec SCSI RAID 3400S
31.It Adaptec SmartRAID PM1554
32.It Adaptec SmartRAID PM2554
33.It Adaptec SmartRAID PM2564
34.It Adaptec SmartRAID PM2664
35.It Adaptec SmartRAID PM2865
36.It Adaptec SmartRAID PM3754
37.It Adaptec SmartRAID PM3755
38.It Adaptec SmartRAID PM3757
39.El
40.Pp
41Some of the adapters provide 64 bit PCI,
42Compact PCI,
43ACPI and up to four channels of Ultra 160 SCSI,
44or two channels of 1GB Fibre.
45All support RAID-0, RAID-1, RAID-10, RAID-5 and RAID-50 arrays.
46All SCSI target types are supported.
47For the ATA based controllers, one IDE drive per channel is supported.
48Hot-swapping of IDE drives is not supported at this time.
49.Pp
50The PCI adapters automatically configure
51using the configuration mechanism of the bus they are on.
52With PCI adapters
53the IRQ sometimes has to be assigned from a BIOS configuration menu
54(some BIOS's do this automatically).
55.Pp
56All host bus adapters must be configured
57before they can be used with any operating system.
58Please contact Adaptec directly to obtain the latest information
59on configuration utilities for the adapters.
60Currently there are both a GUI Motif based configuration utility
61and a CLI based configuration utility available from the Adaptec Web site.
62Note that in the absence of a native
63.Fx
64version
65of the configuration utilities
66does not mean one can not configure the devices via the BIOS
67based configuration tool Storage Manager on ROM (SMOR).
68.Sh FILES
69.Bl -tag -width "/dev/asr*" -compact
70.It Pa /dev/asr*
71Adaptec SCSI RAID control nodes
72.El
73.Sh NOTES
74The ATA based controllers present their devices as SCSI-like devices via CAM.
75For IDE drives attached to these cards, a subset of standard SCSI commands
76and mode pages are understood via translation performed in the card's firmware.
77.Sh SEE ALSO
78.Xr da 4
79.Sh HISTORY
80The
81.Nm
82(Adaptec SCSI RAID)
83driver first appeared as the dpti2o driver under BSDi BSD/OS 3.2,
84then under
85.Fx 2.2.8
86and was ported over to the CAM layer represented in 4.0.
87.Sh AUTHORS
88.An -nosplit
89The
90.Nm
91driver was kindly donated by Adaptec
92and is maintained by
93.An Mark Salyzyn Aq mark_salyzyn@adaptec.com .
94This manual page was written by
95.An Mark Salyzyn
96and fixed up by
97.An Jeroen Ruigrok van der Werven Aq asmodai@FreeBSD.org .