2 .\" Copyright (c) 1994 Wilko Bulte
3 .\" All rights reserved.
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34 .Nd Adaptec SCSI host adapter driver
36 To compile this driver into the kernel,
37 place the following lines in your
38 kernel configuration file:
39 .Bd -ragged -offset indent
44 Alternatively, to load the driver as a
45 module at boot time, place the following line in
47 .Bd -literal -offset indent
52 .Pa /boot/device.hints :
53 .Cd hint.aha.0.at="isa"
55 This driver provides access to the
57 bus connected to the Adaptec AHA-154x and AHA-1640 SCSI host adapters.
58 x is 0 for controllers without a floppy drive and 2 for controllers
61 performance, Adaptec AHA-174x controllers should be configured in
62 enhanced mode and attached via the
66 One device hint entry for every card to be attached by the system is
68 Specific values for the port address, IRQ, and DRQ may be specified.
69 If wildcard values are used, the driver will query the device for its
70 current settings and use those.
72 is a wildcard, the driver consults an internal table of possible port address
73 locations and attaches to the first unattached card it finds.
75 port addresses for this card are 0x330, 0x334, 0x230, 0x234, 0x130, and
78 The AHA-1640 is an MCA bus card.
79 Since the MCA bus is a self-identifying bus, no setting of hints is
84 driver supports the following SCSI host adapters:
98 Adaptec AHA-174x in 154x emulation mode
100 DTC 3290 SCSI controller in 1542 emulation mode
102 Tekram SCSI controllers in 154x emulation mode
124 .An Justin T. Gibbs .
126 The AHA-154xA card does not support residuals on data transfers.
127 As a result, this card is no longer supported.
129 There have been some reports that the AHA-154xB does not work well
132 The AHA-154xCP is a plug and play controller.
133 However, its resources are set using the on-board BIOS and cannot be
135 Failures to attached for this card are often caused when the resources
136 set in the BIOS conflict.