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Subject: Re: [Qemu-devel] Can you commit the pcnet patch ?
From: Antony T Curtis <antony.t.curtis@ntlworld.com>
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Date: Thu, 21 Jul 2005 20:10:07 +0100
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To: qemu-devel@nongnu.org, Christian MICHON <christian.michon@gmail.com>

On Thu, 2005-07-21 at 15:49 +0200, Christian MICHON wrote:
> I tried using pxe (at least the probe) to get more diagnostics
> regarding this pcnet failure.
> 
> Based on the windows host patches I posted earlier on, I get
> this message:
> 
> =============================================
> Probing pci nic...
> [lancepci]pcnet32.c: Found lancepci, Vendor=0x1022 Device=0x2000
> lancepci: 52:54:00:12:34:56 at ioaddr C020, No MII tranceiver found!
> =============================================
> 
> This apparently tells the hw emulation is incomplete. When using
> realtek, I do not get this tranceiver message.
> 
> If I try to boot win95 guest with "-nic-pcnet -nics 2", I finally get an IP
> thru the DHCP, but the network does not work.
> 
> The patch needs badly some update/improvement on the windows side.
> Any specialist around? I'm puzzled, not being an expert in this field.

Early AMD PCNet controllers did not need/use a seperate MII chip. The
PCNet device as emulated is one of these earlier devices. (I can provide
pdf copy datasheet, and I have one such adaptor here in hardware)


-- 
Antony T Curtis, BSc.                   UNIX, Linux, *BSD, Networking
antony.t.curtis@ntlworld.com            C++, J2EE, Perl, MySQL, Apache
                                        IT Consultancy.