Subject: Re: Dual SCSI, single chain?
To: Curt Sampson <>
From: Wilko Bulte <>
List: port-alpha
Date: 03/29/1999 19:41:48
As Curt Sampson wrote ...
> On Mon, 29 Mar 1999, Greg A. Woods wrote:
> > *cannot* just mix
> > things arbitrarily.  There are issues w.r.t. whether or not you've got
> > the devices in the correct order on the bus....
> You can't attach two wide devices together with a piece of narrow
> cable and expect them to negotiation wide transactions, no. But
> they will still work, at least.

Will they? I admit I have never tried this, but can't they negotiate
wide using only the narrow wires? Only to fall over during actual data
transfers etc because of the missing hi-8 bits? 

Mmm.. maybe time to digout the ol' SCSI specs.

> And broken controllers don't work very well.
> Really, Greg, none of this is a big surprise. And all of this
> applies even if you have only one device and one controller on the
> bus. It's nothing specific to with mixing multiple devices.

Using more broken stuff however, makes things more interesting ;-)

Groeten / Cheers,
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