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author | ken <ken@FreeBSD.org> | 1998-10-16 04:41:38 +0000 |
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committer | ken <ken@FreeBSD.org> | 1998-10-16 04:41:38 +0000 |
commit | d655b0ac6a3f7d7aa408eea4bcc57773677417a5 (patch) | |
tree | 78c44c26201d14295e0e61c1ba229d4d158017a9 /share/man/man4/ahb.4 | |
parent | c10eb805a7fff8a9e1e58edd6e6d8ae56796904e (diff) | |
download | FreeBSD-src-d655b0ac6a3f7d7aa408eea4bcc57773677417a5.zip FreeBSD-src-d655b0ac6a3f7d7aa408eea4bcc57773677417a5.tar.gz |
Update the aha(4) and ahb(4) man pages for CAM.
Reviewed by: ken
Submitted by: gibbs
Diffstat (limited to 'share/man/man4/ahb.4')
-rw-r--r-- | share/man/man4/ahb.4 | 63 |
1 files changed, 14 insertions, 49 deletions
diff --git a/share/man/man4/ahb.4 b/share/man/man4/ahb.4 index 62fc2f9..3b18ded 100644 --- a/share/man/man4/ahb.4 +++ b/share/man/man4/ahb.4 @@ -24,9 +24,9 @@ .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" -.\" $Id: ahb.4,v 1.7 1997/03/07 02:49:43 jmg Exp $ +.\" $Id: ahb.4,v 1.8 1998/03/12 07:30:29 charnier Exp $ .\" -.Dd January 19, 1996 +.Dd October 15, 1998 .Dt AHB 4 i386 .Os FreeBSD .Sh NAME @@ -39,60 +39,25 @@ This driver provides access to the .Tn SCSI bus connected to an Adaptec -174x hostadapter in either -.Dq Em standard -or +174x hostadapter in .Dq Em enhanced -mode. If the controller -is set to standard mode (using the -.Tn EISA -configuration utility), -the driver will automatically -switch the card to enhanced mode during the device probe. -.Pp -.Sy N.B. : -When configuring a system -with both -.Xr aha 4 -and -.Nm -drivers, the -.Nm -driver should be listed first in the kernel configuration file. This -ensures that the -.Nm -driver will find the Adaptec 174x boards before the -.Xr aha 4 -driver probes for Adaptec 154x boards. -.Pp -Note that no I/O addresses are configured in the kernel config file. The -174x uses -.Tn EISA -slot-specific I/O which is configured automatically. -.\" -.\" .Sh DIAGNOSTICS -.\" +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 sd 4 , -.Xr st 4 +.Xr da 4 , +.Xr sa 4 .Sh AUTHORS The .Nm driver was written by -.An Julian Elischer -for -.Tn Mach -2.5. It was converted to automatic -.Tn EISA -configuration by -.An Justin Gibbs . -.Sh HISTORY -The -.Nm -driver first appeared in the -.Tn 386BSD -patchkit. +.An Justin T. Gibbs . |