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From: "Henning P. Schmiedehausen" <hps@intermeta.de>
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Subject: Re: No Subject
Date: Sun, 4 Aug 2002 13:28:46 +0000 (UTC)
Organization: INTERMETA - Gesellschaft fuer Mehrwertdienste mbH
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Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl> writes:

>On 4 Aug 2002, Alan Cox wrote:

>> On Sat, 2002-08-03 at 23:16, Bartlomiej Zolnierkiewicz wrote:
>> > Just rethough it. What if chipset is in compatibility mode?
>> > Like VIA with base addresses set to 0?
>>
>> If we found a register that was marked as unassigned with a size then we
>> would map it to a PCI address. That would go for BAR0-3 on any PCI IDE
>> device attached to the south bridge.
>>
>> What problems does that cause for the VIA stuff ?

>In compatibility mode IDE chipsets have IO at legacy ISA ports and
>PCI_BASE_ADDRESS0-3 are set to them or to zero (at least on VIA).
>And they can't be programmed to any other ports (unless native mode).

Hi,

this sounds like a problem that I have with the ServerWorks OSB5
chipset. I actually have PCI_BASE_ADDRESS0-3 at 0 and
PCI_BASE_ADDRESS4 = 0x3a0.

Does this hold true here, too? Or is this VIA specific?

	Regards
		Henning


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