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AHA(4)		       FreeBSD Kernel Interfaces Manual			AHA(4)

NAME
     aha -- Adaptec SCSI host adapter driver

SYNOPSIS
     device aha
     device scbus

     In	/boot/device.hints:
     hint.aha.0.at="isa"

DESCRIPTION
     This driver provides access to the	SCSI bus connected to an Adaptec
     154xA, 154xB, 154xC, 154xCF, or 154xCP host adapter.  Host	adapters sup-
     porting a 154X compatible interface, such as some Tekram controllers and
     the Adaptec 174x in 154x emulation	mode can, also be attached with	this
     driver.  For optimum performance, Adaptec 174x controllers	should be con-
     figured 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
     locations and attaches to the first unattached card it finds.  The	possi-
     ble 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.

FreeBSD	10.1		       October 15, 1998			  FreeBSD 10.1

NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | AUTHORS

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