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AHA(4)			 BSD Kernel Interfaces Manual			AHA(4)

NAME
     aha -- Adaptec SCSI host adapter driver

SYNOPSIS
     device aha0 at isa? port ?	irq ? drq 5
     device scbus0 at aha0

DESCRIPTION
     This driver provides access to the	SCSI bus connected to an Adaptec 1510,
     152x, 1535, 154xA,	154xB, 154xC, 154xCF, 154xCP, or 164x host adapter.
     Host adapters supporting a	154x compatible	interface, such	as some	Tekram
     controllers and the Adaptec 174x in 154x emulation	mode can also be at-
     tached with this driver.  For optimum performance,	Adaptec	174x con-
     trollers should be	configured in enhanced mode and	attached via the
     ahb(4) driver.

     One kernel	config entry for every card to be attached by the system is
     required.	Specific values	for the	port address, irq, and drq may be
     specified.	 If wildcard values are	used, the driver will query the	device
     for its current settings and use those.  If the port address is a wild-
     card, the driver consults an internal table of possible port address lo-
     cations and attaches to the first unattached card it finds.  The possible
     port addresses for	this card are 0x330, 0x334, 0x230, 0x234, 0x130, and
     0x134.

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

AUTHORS
     The aha driver was	ported by M. Warner Losh from the bt driver written by
     Justin T. Gibbs.

BSD			       October 15, 1998				   BSD

NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | AUTHORS

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