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Date:      Sat, 2 May 2020 19:41:21 +0200
From:      Christoph Kukulies <kuku@kukulies.org>
To:        Andrea Venturoli <ml@netfence.it>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: sym0 weirdness
Message-ID:  <2E58F745-7969-4339-B7D0-5913804A4907@kukulies.org>
In-Reply-To: <5607756b-72c1-fe4e-ce3f-8f7c457d86af@netfence.it>
References:  <373ced34-1fe5-c385-e2c4-20cc6f46d9f0@kukulies.org> <4f1729b9-5c8c-26d1-8a64-e7c17eecffb2@kukulies.org> <5607756b-72c1-fe4e-ce3f-8f7c457d86af@netfence.it>

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> Am 02.05.2020 um 19:16 schrieb Andrea Venturoli <ml@netfence.it>:
>=20
> On 2020-05-02 13:08, Christoph P.U. Kukulies wrote:
>=20
>>> With the cable connected and one device at the end of the bus (1,5m =
cable, internally terminated by the SCSI2D controller card),
>=20
> Sorry if I deviate from your question, but what do you mean with =
"internally terminated"?
> Do you have termination enabled on such device?
>=20


I was talking about the SCSI2CD card connected to the other end of the =
bus. (Just to express it is correctly terminated)
Anyway, that wouldn=E2=80=99t matterat the moment since the card isn=E2=80=
=99t recognized correctly.

Inside of the controller, when only external SCSI devices are connected, =
one has to activate (leave off the jumper) the termination.
An SCSI-bus must be terminated on either side.


Christoph

>=20
>=20
> > The ASUS SC-200 board isn=E2=80=99t recognized at all by the kernel.
>=20
> IME using hardware from Asus is the best way to experience =
incompatibilities.
> For example, I have several Tekram sym based controllers: they work on =
any motherboard but Asus's and their support staff was completely =
unhelpful.
> Beyond that, the list would be long.
>=20
> bye
> 	av.
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