Re: Can a GS with dead slots run a Zip or TWGS?

[dempson@actrix.gen.nz (David Empson)]

Mitchell Spector <spec@vax2.concordia.ca> wrote:

> In article supertimer@aol.com (Supertimer) writes...
> 
> >Assuming the problem is with the Slotmaker IC, will
> >the slots still support a Zip or TWGS card?  There is still power at
> >the slots because the LED lights on some cards light up when the
> >power is switched on.  What kind of signals do the Zip or TWGS
> >get from the slots?
> 
>     As far as I know, both accelerator boards use the slot only
> as a source for power. All signals are sent through the ribbon
> cable that plugs into the processor's 40-pin DIP socket.

Not correct.  Some slot signals are required, particularly to identify a
DMA cycle.