aha - Adaptec SCSI host adapter driver
device scbus device aha
Alternatively, to load the driver as a module at boot time, place the following line in loader.conf5:
In /boot/device.hints hint.aha.0.at=isa
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.
There have been some reports that the AHA-154xB does not work well under heavy load.
The AHA-154xCP is a plug and play controller. However, its resources are set using the on-board BIOS and cannot be moved. Failures to attached for this card are often caused when the resources set in the BIOS conflict.
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Created 1996-2021 by Maxim Chirkov
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