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AHB(4)			 BSD Kernel Interfaces Manual			AHB(4)

NAME
     ahb -- Adaptec EISA SCSI host adapter driver

SYNOPSIS
     device ahb
     device scbus0 at ahb0

DESCRIPTION
     This driver provides access to the	SCSI bus connected to an Adaptec 174x
     hostadapter in "enhanced" mode.  Tagged queueing and synchronous SCSI
     transfers are supported.

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.

SEE ALSO
     aha(4), ahc(4), cd(4), da(4), sa(4), scsi(4)

AUTHORS
     The ahb driver was	written	by Justin T. Gibbs.

BSD			       October 15, 1998				   BSD

NAME | SYNOPSIS | DESCRIPTION | CAVEATS | SEE ALSO | AUTHORS

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