Windows NT requires specific BIOS versions of Adaptec SCSI controllers

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Description

Windows NT requires specific BIOS versions of Adaptec SCSI controllers to run.

Solution

Adapter Type Version
Description

AHA-2940 Chip 1.16*
1.23* Base model AHA-2940

AHA-2940W Chip 1.16*
1.23* 2940 with Wide support

AHA-2940U Flash OEM OEM version with Ultra

AHA-2940UW Flash 1.23 2940 with Ultra and Wide

AHA-2940AU Chip 1.30 Replaces original 2940, adds Ultra

AHA-3940 Chip 1.14 Base model AHA-3940

AHA-3940UW Chip 1.24 3940 with Ultra Wide

Adapter	Type	Version	Description
AHA-2940	Chip	1.16* 1.23*	Base model AHA-2940
AHA-2940W	Chip	1.16* 1.23*	2940 with Wide support
AHA-2940U	Flash	OEM	OEM version with Ultra
AHA-2940UW	Flash	1.23	2940 with Ultra and Wide
AHA-2940AU	Chip	1.30	Replaces original 2940, adds Ultra
AHA-3940	Chip	1.14	Base model AHA-3940
AHA-3940UW	Chip	1.24	3940 with Ultra Wide