Subject: Re: buslogic/adaptec conflicts
To: None <current-users@NetBSD.ORG>
From: Mike Long <>
List: current-users
Date: 04/03/1996 10:25:19
>From: "Charles M. Hannum" <mycroft@MIT.EDU>
>Date: 02 Apr 1996 20:53:50 -0500
> (Brett Lymn) writes:
>> Hmmm I may be about to put my foot in my mount (nothing new here ;-)
>> but I don't know of too many PCI sound cards.  So I think that we will
>> need the bounce buffers for some things.

I have seen a combined video+audio PCI card.  Not on the shelves,
though; it's an eval board from Brooktree.

>Sounds cards are a good example of where `bounce buffers' are exactly
>the wrong thing to do.  It means you can't ever mmap() the sound

Bounce-buffering is only needed by bus master cards, yes?  I've
*never* seen a bus-mastering sound card.
Mike Long <>     <URL:>
VLSI Design Engineer         finger for PGP public key
Analog Devices, CPD Division          CCBF225E7D3F7ECB2C8F7ABB15D9BE7B
Norwood, MA 02062 USA       (eq (opinion 'ADI) (opinion 'mike)) -> nil