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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
     information 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
     under 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〉.