Speaking of onboard SCSI controllers

[Daniel Eischen]

>   Date: Sun, 28 Dec 97 22:53:00 -0000
>   From: mikebw at bilow.bilow.uu.ids.net (Mike Bilow)
>
>   No.  There are three connectors:
>
>      A.  Internal wide
>      B1. Internal narrow
>      B2. External wide
>
>   You can use:
>
>      1. A only            -- termination high on, low on
>      2. B1 only           -- termination high on, low on
>      3. B2 only           -- termination high on, low on
>      4. A and B1          -- termination high on, low off
>      5. A and B2          -- termination high off, low off
>
>   In the AHA-2940 card, the B1 and B2 connectors are essentially the same, and
>   you can use only of the two at a time.  In your motherboard, both of the B1
>   and B2 connectors are probably represented by the single narrow connector.
>   You can probably therefore use both motherboard connectors at the same time,
>   as long as you set termination on the motherboard to high on, low off.
> 
> There must be something different with the 2940UW versus similar host adapters
> made by other vendors.  On the BT-958 and FlashPoint LW, there are also three
> connectors as above, but any two out of the three may be used.  I believe the
> Symbios SYM8751SP is similar in that regard.

I think you can use any two of the three connectors.  On my outdated 2940W,
that is the case anyways.

Dan Eischen
deischen at iworks.InterWorks.org