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ASR(4)			     Kernel Interfaces Manual			  ASR(4)

NAME
     asr -- driver for Adaptec I2O based SCSI/ATA host bus adapters

SYNOPSIS
     device asr

DESCRIPTION
     The  Adaptec asr driver provides access to disks and disk arrays controlled
     by I2O based host bus adapters and SmartRAID SCSI RAID adapters through the
     standard SCSI disk da(4) interface.

     The supported adapters provide 64 bit PCI, Compact PCI, Zero  Channel  PCI,
     and  up  to  four	channels  of Ultra2, Ultra 160, or Ultra320 SCSI, or two
     channels of 1GB Fibre.  All support RAID-0,  RAID-1,  RAID-10,  RAID-5  and
     RAID-50  arrays.	All  SCSI target types are supported.  For the ATA based
     controllers, one IDE drive per channel is supported.  Hot-swapping  of  IDE
     drives is not supported at this time.

     All  host	bus adapters must be configured before they can be used with any
     operating system.	Please contact Adaptec directly to obtain the latest in-
     formation on configuration utilities for the adapters.  Currently there are
     both a Motif based GUI configuration utility and a CLI based  configuration
     utility available from the Adaptec Web site.  The cards and arrays can also
     be configured via the BIOS based configuration tool (SMOR).

HARDWARE
     The adapters currently supported by the asr driver include the following:

     *	 Adaptec Zero-Channel SCSI RAID 2000S, 2005S, 2010S, 2015S
     *	 Adaptec SCSI RAID 2100S, 2110S
     *	 Adaptec ATA-100 RAID 2400A
     *	 Adaptec SCSI RAID 3200S, 3210S
     *	 Adaptec SCSI RAID 3400S, 3410S
     *	 Adaptec SmartRAID PM1554
     *	 Adaptec SmartRAID PM1564
     *	 Adaptec SmartRAID PM2554
     *	 Adaptec SmartRAID PM2564
     *	 Adaptec SmartRAID PM2664
     *	 Adaptec SmartRAID PM2754
     *	 Adaptec SmartRAID PM2865
     *	 Adaptec SmartRAID PM3754
     *	 Adaptec SmartRAID PM3755U2B / SmartRAID V Millennium
     *	 Adaptec SmartRAID PM3757
     *	 DEC  KZPCC-AC	(LVD  1-ch,  4MB or 16MB cache), DEC KZPCC-CE (LVD 3-ch,
	 64MB cache), DEC KZPCC-XC (LVD 1-ch, 16MB  cache),  DEC  KZPCC-XE  (LVD
	 3-ch, 64MB cache) -- rebadged SmartRAID V Millennium

FILES
     /dev/asr*	Adaptec SCSI RAID control nodes

NOTES
     The  ATA  based  controllers present their devices as SCSI-like devices via
     CAM.  For IDE drives attached to these cards, a  subset  of  standard  SCSI
     commands  and  mode  pages  are understood via translation performed in the
     card's firmware.

SEE ALSO
     da(4)

HISTORY
     The asr (Adaptec SCSI RAID) driver first appeared as the dpti2o driver  un-
     der  BSDi	BSD/OS	3.2, then under FreeBSD 2.2.8 and was ported over to the
     CAM layer represented in 4.0.

AUTHORS
     The asr driver was kindly donated by Adaptec  and	is  maintained	by  Mark
     Salyzyn  <mark_salyzyn@adaptec.com>.   This manual page was written by Mark
     Salyzyn   and   fixed   up   by   Jeroen	 Ruigrok    van    der	  Werven
     <asmodai@FreeBSD.org>.

FreeBSD 9.1			  July 14, 2004 			  ASR(4)

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