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Introduction
AHA-3940U/3940UW/3940UWD User’s Guide
Stock Number: 511041-00, Rev. B Page: 1-5
Print Spec Number: 494569-00
Current Date: 2/14/97 ECN Date: 2/17/97
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Uses the superior SCSI-2 (Alternative 1) external connector
and standard internal ribbon connector (on the
AHA-3940UWD, there are two very high density external
connectors)
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Tagged Queuing support
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SCSI termination power-down control
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Support for multiple logical units
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Parity handling in Data, Message, Status, Selection/
Reselection, and Command phases
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Active negation
Multiple Device Support
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AHA-3940U supports up to seven SCSI devices per channel (14
devices total)
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AHA-3940UW/3940UWD support up to 15 SCSI devices per
channel (30 devices total)
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Onboard BIOS fully supports capabilities of MS-DOS 5.0 and
above for up to eight disk drives, without additional drivers
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Onboard BIOS supports disk drives as large as 8 GBytes
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