Subject: Re: Looking for an ISA S/T ISDN card
To: Gregory McGarry <>
From: Matt Thomas <>
List: port-pmax
Date: 03/09/2000 15:41:08
At 03:35 PM 3/9/00 , Gregory McGarry wrote:
>Aaron J. Grier wrote:
> > Hmm...  so would it be possible (by throwing money at somebody) to get
> > ISDN support for ISDN ports on DECStations?  ;)
>My understanding is that the am7930 ISDN interface was a forward-thinking
>engineering decision when it was included on the maxine.  Unfortunately
>it wasn't implemented correctly, and hence they come with the ISDN
>connection covered over.  I think the implementation in the sparc is
>usable but AFAICS they cannot do DMA to the chip like the maxine.

Not quite true.  There was ULTRIX product that made the ISDN port work.
So it is possible.
Matt Thomas               Internet:
3am Software Foundry      WWW URL:
Cupertino, CA             Disclaimer: I avow all knowledge of this message