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AHA (4) | Special files and drivers | Unix Manual Pages | :man

NAME

aha - Adaptec SCSI host adapter driver

CONTENTS

Synopsis
Description
Hardware
See Also
Authors
Bugs

SYNOPSIS


.Cd device aha
.Cd device scbus

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

DESCRIPTION

This driver provides access to the SCSI bus connected to the Adaptec AHA-154x and AHA-1640 SCSI host adapters. x is 0 for controllers without a floppy drive and 2 for controllers that have them. For optimum performance, Adaptec AHA-174x controllers should be configured in enhanced mode and attached via the ahb(4) driver.

One device hint 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 wildcard, the driver consults an internal table of possible port address locations and attaches to the first unattached card it finds. The possible port addresses for this card are 0x330, 0x334, 0x230, 0x234, 0x130, and 0x134.

The AHA-1640 is an MCA bus card. Since the MCA bus is a self-identifying bus, no setting of hints is required.

HARDWARE

The aha driver supports the following SCSI host adapters:

  • Adaptec AHA-154xB
  • Adaptec AHA-154xC
  • Adaptec AHA-154xCF
  • Adaptec AHA-154xCP
  • Adaptec AHA-1640
  • Adaptec AHA-174x in 154x emulation mode
  • DTC 3290 SCSI controller in 1542 emulation mode
  • Tekram SCSI controllers in 154x emulation mode

SEE ALSO

ahb(4), ahc(4), aic(4), cd(4), da(4), sa(4), scsi(4)

AUTHORS

BUGS


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