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Date:      Tue, 10 Nov 1998 14:16:54 -0700 (MST)
From:      "Kenneth D. Merry" <ken@plutotech.com>
To:        dag-erli@ifi.uio.no (Dag-Erling C. =?iso-8859-1?Q?Sm=F8rgrav?=)
Cc:        kyle@stdio.com, ugen@undp.org, dag-erli@ifi.uio.no, hardware@FreeBSD.ORG, scsi@FreeBSD.ORG
Subject:   Re: AHA-2940 U/UW
Message-ID:  <199811102116.OAA11523@panzer.plutotech.com>
In-Reply-To: <xzp90hjnwny.fsf@hrotti.ifi.uio.no> from =?ISO-8859-1?Q?Dag=2DErling_C=2E_Sm=F8rgrav?= at "Nov 10, 98 09:02:41 pm"

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Dag-Erling C. Smørgrav wrote...
> Kyle McPeek <kyle@stdio.com> writes:
> > I have some of these machines.  They work fine with 3.0, 2.2 will not work
> > at all with the 2940/Dual.  It is a 2940 with a 7895 chip.  There are two
> > scsi buses on it, an internal wide,and an external SCSI-2 (Mini 50Pin).
> > It looks just like a regular 2940, except that the external connector is a
> > separate bus and has a Mini 50 connector instead of a 68 Pin.
> 
> Uh-huh. The AHA2940 and AHA2940UW are single-channel adapters based on
> the AIC7880 and AIC7890 chips, respectively.

Uh, no.  The 2940UW is based on the 7880.  The 2940U2W is based on the
7890.

> The only multichannel
> SCSI adapters Adaptec make are the AHA3940/W and the AHA3940U/UW,
> unless there are Adaptec cards even Adaptec doesn't know about.

They'll probably be coming out with cards based on the 7896/7897 at some
point.  (those are 32-bit and 64-bit dual-channel Ultra-2 controller chips)

Ken
-- 
Kenneth Merry
ken@plutotech.com

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