There was a Qbus CI adaptor, for one, and second, your DSSI adaptor runs 
the CI protocol. That shac chip is a CI adaptor. if i had multiple 
4000's, i would connect them using the DSSI.. 

isildur

On Tue, 26 Jun 2001, Gunther Schadow wrote:

> Hi,
> 
> I'm wondering if I even want a VAX 4000 ever, if it doesn't have a CI
> bus option. On the Compaq web site I find that CI clustering is "N/A".
> However, I read that there is a CIQBA+ board around, which is a QBUS
> to CI adapter, right? That seems to be fairly rare (=expensive to
> get). This seems to be 3rd party product, not DEC, right? Is it even 
> supported on NetBSD? Does it work in any QBUS system? Who has one, any 
> advice?
> 
> thanks,
> -Gunther
> 
> 
> -- 
> Gunther Schadow, M.D., Ph.D.                    gschadow@regenstrief.org
> Medical Information Scientist      Regenstrief Institute for Health Care
> Adjunct Assistant Professor        Indiana University School of Medicine
> tel:1(317)630-7960                         http://aurora.regenstrief.org
>