
Adaptec AHA-1740, 1742A HBAs
Solaris Device Driver:
eha
Device Type:
SCSI
Adapters:
Adaptec AHA-1740, AHA-1742A
Bus Type:
EISA
Preconfiguration Information
Supported Settings
• IRQ Level: Any legal value between 9 and 15
• I/O Address:
z000 (where z is a slot number from 1 to 8)
• DMA Channel: 6
The board must be in slot 1 through 8; otherwise the Solaris software will not boot.
Set the following parameters to Enhanced Mode:
Host Adapter Interface Mode
Standard Mode Resource Selection I/O Port Definition
Standard Mode Resource Selection DMA Channel Definition
Enable Synchronous Negotiation for all targets unless you are running the Adaptec
AHA-1740 in Enhanced Mode; in that case, you must use the EISA configuration
utility to disable Synchronous Negotiation for the NEC Intersect CD-ROM 74 or
84.
Known Problems and Limitations
Operating these boards in 154x emulation mode may cause data corruption.
Device Reference Pages 13
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