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Date: Tue, 10 Jun 2003 02:55:21 -0600
From: Scott Long <scottl@freebsd.org>
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To: Luoqi Chen <lchen@briontech.com>
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cc: scsi@freebsd.org
Subject: Re: 64-bit raid controller recommendation
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Luoqi Chen wrote:
> Hi,
> 
> I'm setting up a Supermicro 7043P-8R box with 8G of memory and
> I've just found out that the Adaptec 2010S ZCR card didn't support
> 64-bit addressing (being i2o based). So I'm looking for a card
> that could directly (no bouncing) address at least 8G physical
> memory, does anyone have any recommendation?
> 

It's hard to tell from the asr driver where the 32-bit limitation
comes from and/or if there is a way to fix it.  To directly answer
your question, the Adaptec aac cards and driver support 64-bit
addressing with no bouncing.  This includes the 5400, 2120, and 2200
cards.

Scott