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Re: Question on DAC
You are right.
DAC Bars are only needed when your board has memory to be accessed by others
beyond 32-bit space.
It has nothing to do with whether or not you are generating DAC as Master.
Micro Memory Inc.
9540 Vassar Avenue
Chartsworth, CA 91311
----- Original Message -----
From: James Murray <firstname.lastname@example.org>
To: PCI SIG <email@example.com>
Sent: Friday, May 04, 2001 11:18 AM
Subject: Question on DAC
> I have a basic question on DAC.
> I want to be able to initiate DAC cycles over the PCI bus. I do not want
> to support being a target of 64-bit cycles (DAC or otherwise). I assume
> that I do NOT need to implement a DAC BAR to be able to achieve this
> aim. i.e. the DAC BAR indicates support for DAC target transactions and
> does not affect my DAC mastering capability. Are these assumptions
> Thanks in advance