*BSD News Article 68244


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From: Terry Lambert <terry@lambert.org>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Tekram SCSI card compatibility?
Date: Fri, 10 May 1996 21:35:24 -0700
Organization: Me
Lines: 31
Message-ID: <3194190C.7F727CF4@lambert.org>
References: <4n0295$167@dhp.com>
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jaeger wrote:
] 
]         Tekram advertises a line of it's SCSI cards as "100%
] Adaptec Compatible" with the AHA-2940 and AHA-2940U.  Has
] anybody tried these cards? I am quite pleased with Adaptec
] products but if I can save $90 U.S. on a true clone, I will.

If it's a "true clone", then they either licensed the AIC-7770,
or they reverse engineered it.

If this is the case, then the Sequencer download code used by
Linux and BSD are really what's in question.

If this thing really is an Adaptec clone, then this is the
first real big win for the method used to engineer the BSD
and Linux drivers.  An implementation based on HIM is only
licensed for use with Adaptec manufactured controllers, so
if your driver was one developed by signing NDA and using
their HIM code in your OS (like UnixWare, SCO, and NT 8-)),
you will not be able to legally use the driver with the
clone cards.

The big question is whether this is really a clone, or
whether the card production is licensed from Adaptec.


                                        Terry Lambert
                                        terry@lambert.org
---
Any opinions in this posting are my own and not those of my present
or previous employers.