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Date: Mon, 22 Mar 1999 11:31:52 +0900
From: Masato Oida <mast.oida@nifty.ne.jp>
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Subject: [man-jp-reviewer 1240] ahb.4
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$B$O$8$a$^$7$F!"Bg0fED$H?=$7$^$9!#(B
ahb.4 $B$N=iLu$G$9!#$*5$$E$-$NE@$"$l$P59$7$/$*4j$$$7$^$9!#(B

----------------------------------------------------

.\"	$Id: ahb.4,v 1.9 1998/10/16 04:41:38 ken Exp $
.\" jpman %Id: ahb.4,v 0.0 1999/02/22 16:13:11 horikawa Stab %
.\"
.Dd October 15, 1998
.Dt AHB 4 i386
.Os FreeBSD
.Sh $BL>>N(B
.Nm ahb
.Nd Adaptec $B<R@=(B EISA SCSI $B%[%9%H%"%@%W%?%I%i%$%P(B
.Sh $B=q<0(B
.Cd controller ahb0
.Cd controller scbus0 at ahb0
.Sh $B2r@b(B
$B$3$N%I%i%$%P$O!"(B
.Dq Em $B%(%s%O%s%9%H(B
$B%b!<%I$K@_Dj$7$?(B Adaptec 174x $B%[%9%H%"%@%W%?(B $B$K@\B3$5$l$?(B
.Tn SCSI
$B%P%9$X$N%"%/%;%9$rDs6!$7$^$9!#(B
$B%?%0IU$-(B queueing$B!"F14|(B SCSI $BE>Aw$r%5%]!<%H$7$F$$$^$9!#(B
.Sh $B7Y9p(B
Adaptec 174X $B$O(B SCSI $B%P%9$N@\B3It$N=hM}$H;HMQ$9$k%1!<%V%k$N(B
$BD9$5$K6K$a$FIR46$G$9!#$^$?!":G6a$N$$$/$D$+$N%G%P%$%9$N%*%Z%l!<%7%g%s$K(B
$BFq$,$"$j!"$=$l$i?77?%G%P%$%9$N%9%T!<%I$KBP1~$G$-$:!"%3%s%H%m!<%i$K$*$$$F(B
$B%?%$%_%s%0>e$NIT6q9g$r8+$;$k$3$H$,$"$j$^$9!#$3$N<o$N5!4o4V$NAj@-$N0-$5$K(B
$BBP=h$9$k$?$a$N%a%+%K%:%`$OCN$i$l$F$$$^$;$s!#(B
.Sh $B4XO"9`L\(B
.Xr aha 4 ,
.Xr ahc 4 ,
.Xr cd 4 ,
.Xr scsi 4 ,
.Xr da 4 ,
.Xr sa 4
.Sh $B:n<T(B
.Nm
$B%I%i%$%P$O!"(B
.An Justin T. Gibbs .
$B$K$h$C$F:n@.$5$l$^$7$?!#(B

-$B86J8(B-
.Dd October 15, 1998
.Dt AHB 4 i386
.Os FreeBSD
.Sh NAME
.Nm ahb
.Nd Adaptec EISA SCSI host adapter driver
.Sh SYNOPSIS
.Cd controller ahb0
.Cd controller scbus0 at ahb0
.Sh DESCRIPTION
This driver provides access to the
.Tn SCSI
bus connected to an Adaptec 
174x hostadapter in
.Dq Em enhanced
mode.
Tagged queueing and synchronous SCSI transfers are supported.
.Sh CAVEATS
The Adaptec 174X is very sensitive to SCSI bus termination and cable
length.  It may also have difficulties operating with some modern
devices
that, due to their speed, expose timing problems in the controller. 
There
are no known mechanisms for working around device incompatibilities of
this nature.
.Sh SEE ALSO
.Xr aha 4 ,
.Xr ahc 4 ,
.Xr cd 4 ,
.Xr scsi 4 ,
.Xr da 4 ,
.Xr sa 4
.Sh AUTHORS
The
.Nm
driver was written by
.An Justin T. Gibbs .
