Ubuntu Feisty 7.04 manual page repository
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ahb - Adaptec EISA SCSI host adapter driver
device ahb device scbus
This driver provides access to the SCSI bus connected to an Adaptec AHA-174X host adapters in “enhanced” mode. Tagged queueing and syn‐ chronous SCSI transfers are supported.
The ahb driver supports the following SCSI host adapters: Adaptec AHA-1740 Adaptec AHA-1742 Adaptec AHA-1740A Adaptec AHA-1742A
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. scsi(4)
The ahb driver was written by Justin T. Gibbs.