Subject: Re: Utility chip sio's on 4xx (more stories)
To: Michael Smith <>
From: Herb Peyerl <>
List: port-hp300
Date: 03/21/1997 06:13:33
Michael Smith <>  wrote:
 > Jason Thorpe stands accused of saying:
 > >  > if all of the IRQ lines on the ISA slot were tied together, so you'd
 > >  > only need one interrupt input somewhere.
 > > 
 > > far as I know, that is how it works... the sio's are probably
 > > at the top 4 IRQs.
 > On a 16-bit ISA slot there are about 10 IRQ lines.  If I were
 > implementing the ISA slot on the 425, I'd wire them all together and

How do we think this works on my 433s? ie: I have 3 EISA slots. Do we think
"different utility chip"?