On Mon, 14 Aug 2000, J. Scott Kasten wrote:

The fastest SBus is 64-bit/25MHz.

64-bit/66MHz PCI is significantly faster than SBus.

Not to mention that SBus will be phased out.  I'm sorry to see it go but
there's no future in it.

> Actually not quite true.  SBus I/O speed rivals that of PCI.  Not only
> that, but SBus does not suffer from certain other deficiencies that impact
> PCI performance when multiple devices are active.  Slow chips on either
> side of the bus starving it is completely another matter.
> 
> > There's little point in trying to get new chipsets running on SBus
> > cards.  It's a bit like putting a set of modern high performance racing
> > tires on a model T.  The host machines and backplanes usually can't handle
> > it.  
> >
> > If you want better performance you should go with a PCI machine and use
> > the PCI cards, or go whole hog and use UPA graphics adapters.

Eduardo Horvath