206 lines
5.6 KiB
Groff
206 lines
5.6 KiB
Groff
.\"
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.\" Copyright (c) 1994 Jordan Hubbard
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd June 18, 2006
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.Dt BT 4
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.Os
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.Sh NAME
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.Nm bt
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.Nd Buslogic/Mylex MultiMaster SCSI host adapter driver
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.Sh SYNOPSIS
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To compile this driver into the kernel,
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place the following lines in your
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kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device isa"
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.Cd "device scbus"
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.Cd "device bt"
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.Pp
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In
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.Pa /boot/device.hints :
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.Cd hint.bt.0.at="isa"
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.Cd hint.bt.0.port="0x330"
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.Ed
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.Sh DESCRIPTION
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This driver provides access to the
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.Tn SCSI
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bus connected to a Buslogic/Mylex MultiMaster or compatible controller:
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.Pp
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.Bd -ragged -offset indent
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.Bl -column "BT-956CD " "ISA " "Commands " Description
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MultiMaster "W" Series Host Adapters:
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.Pp
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.Em "Adapter Bus Commands Description"
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BT-948 PCI 192 Ultra SCSI-3
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BT-958 PCI 192 Wide ULtra SCSI-3
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BT-958D PCI 192 Wide Differential Ultra SCSI-3
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.El
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.Bl -column "BT-956CD " "ISA " "Commands " Description
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MultiMaster "C" Series Host Adapters:
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.Pp
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.Em "Adapter Bus Commands Description"
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BT-946C PCI 100 Fast SCSI-2
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BT-956C PCI 100 Wide Fast SCSI-2
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BT-956CD PCI 100 Wide Differential Fast SCSI-2
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BT-445C VLB 100 Fast SCSI-2
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BT-747C EISA 100 Fast SCSI-2
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BT-757C EISA 100 Wide Fast SCSI-2
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BT-757CD EISA 100 Wide Differential Fast SCSI-2
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BT-545C ISA 50 Fast SCSI-2
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BT-540CF ISA 50 Fast SCSI-2
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.El
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.Bl -column "BT-956CD " "ISA " "Commands " Description
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MultiMaster "S" Series Host Adapters:
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.Pp
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.Em "Adapter Bus Commands Description"
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BT-445S VLB 30 Fast SCSI-2
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BT-747S EISA 30 Fast SCSI-2
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BT-747D EISA 30 Differential Fast SCSI-2
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BT-757S EISA 30 Wide Fast SCSI-2
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BT-757D EISA 30 Wide Differential Fast SCSI-2
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BT-545S ISA 30 Fast SCSI-2
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BT-542D ISA 30 Differential Fast SCSI-2
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BT-742A EISA 30 SCSI-2 (742A revision H)
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BT-542B ISA 30 SCSI-2 (542B revision H)
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.El
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.Bl -column "BT-956CD " "ISA " "Commands " Description
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MultiMaster "A" Series Host Adapters:
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.Pp
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.Em "Adapter Bus Commands Description"
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BT-742A EISA 30 SCSI-2 (742A revisions A - G)
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BT-542B ISA 30 SCSI-2 (542B revisions A - G)
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.El
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.Ed
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.Pp
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Tagged queueing is supported on 'W' series adapters, 'C' series adapters
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with firmware of rev 4.42 and higher, and 'S' series adapters with firmware
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of rev 3.35 and higher.
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.Pp
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Boards with certain firmware revisions may lock up under heavy load to
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certain devices, especially if tagged queueing is used.
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Should you encounter
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a problem with your adapter, contact Mylex technical support and ensure you
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have the latest firmware for your controller.
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.Sh HARDWARE
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The
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.Nm
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driver supports the following BusLogic MultiMaster
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.Dq W ,
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.Dq C ,
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.Dq S ,
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and
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.Dq A
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series and compatible SCSI host adapters:
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.Pp
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.Bl -bullet -compact
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.It
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BusLogic BT-445C
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.It
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BusLogic BT-445S
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.It
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BusLogic BT-540CF
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.It
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BusLogic BT-542B
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.It
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BusLogic BT-542B
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.It
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BusLogic BT-542D
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.It
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BusLogic BT-545C
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.It
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BusLogic BT-545S
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.It
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BusLogic/BusTek BT-640
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.It
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BusLogic BT-742A
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.It
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BusLogic BT-742A
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.It
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BusLogic BT-747C
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.It
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BusLogic BT-747D
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.It
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BusLogic BT-747S
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.It
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BusLogic BT-757C
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.It
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BusLogic BT-757CD
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.It
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BusLogic BT-757D
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.It
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BusLogic BT-757S
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.It
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BusLogic BT-946C
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.It
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BusLogic BT-948
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.It
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BusLogic BT-956C
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.It
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BusLogic BT-956CD
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.It
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BusLogic BT-958
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.It
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BusLogic BT-958D
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.It
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Storage Dimensions SDC3211B / SDC3211F
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.El
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.Pp
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AMI FastDisk Host Adapters that are true BusLogic MultiMaster clones
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are also supported by the
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.Nm
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driver.
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.Sh SEE ALSO
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.Xr cd 4 ,
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.Xr da 4 ,
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.Xr sa 4 ,
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.Xr scsi 4
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.Sh HISTORY
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The
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.Nm
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driver first appeared in the
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.Bx 386
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patch kit.
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.Sh AUTHORS
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.An -nosplit
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.An Julian Elischer
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wrote a driver for the Multimaster cards that appeared in the
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.Bx 386
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patch kit.
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The driver was rewritten by
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.An Justin T. Gibbs
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to take advantage of new board features and work with the CAM SCSI framework in
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.Fx 3.0 .
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.Pp
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Special thanks to
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.An Leonard N. Zubkoff
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for writing such a complete and well documented Mylex/BusLogic MultiMaster
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driver for Linux.
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Support in this driver for the wide range of MultiMaster
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controllers and firmware revisions, with their otherwise undocumented quirks,
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would not have been possible without his efforts.
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