[coreboot] Good v3 port candidate for Socket F

Marc Jones marcj303 at gmail.com
Tue Dec 23 18:30:06 CET 2008


On Tue, Dec 23, 2008 at 9:34 AM, Myles Watson <mylesgw at gmail.com> wrote:
> On Mon, Dec 22, 2008 at 4:21 PM, Myles Watson <mylesgw at gmail.com> wrote:
>>
>> All,
>>
>> I'm looking for a system to port to v3.  It needs to be Dual socket F.
>>
>> Here's the "simplified" block diagram of the system that I have:
>>
>> Opteron - Opteron
>>   |
>> Chipset
>>   |
>>  PCIe
>>
>> And the system that I need:
>>
>> Opteron - Opteron
>>  |         |
>> PCIe       Chipset
>>
>> Notice that the second socket has an independent link to a PCIe controller.
>>
>> The Tyan s2895 would work, but I need socket F.
>>
>> My question is if you know of any Socket F systems that would fit the bill.
>> I'm especially interested in what chipsets they use.  I'd like to port it to
>> Coreboot-v3.
>
> Here are some candidates that I've found:
>
> Tyan Thunder n6650W (S2915-E)
> - NFP 3600 + NFP 3050
> - 3600 support in v2, but not 3050.  Any guesses how hard it would be?
>
> I'm guessing that IO 55 is the NFP 3050.  If so, these boards would be
> similar to port:
> Tyan Thunder n6650EX (S4989)
> - 4 processors
>
> Supermicro H8QM3-2
> Supermicro H8QMi-2
>
> These boards are 4 Opteron + MCP55 + AMD 8132 (PCI-X instead of PCIe)
> Supermicro H8QM8-2(+)
> Supermicro H8QME-2(+)
>
> I'm still looking at other vendors' sites.  Not all of them make it
> easy to see how the chips are connected.
>

I don't know of a stand alone HT-PCIe bridge but there are a few PCIX
ones available. Look at the HTC page under the products tab.
http://www.hypertransport.org/

The serverworks/broadcom ht2000/1000 are in the v2 tree under
southbridge/broadcom/bcm57*.

Marc




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