[Beowulf] SuperMicro X7DWT-INF board - what connector? what cable?

[Duke Nguyen]

Great! Thanks for all of your help guys.

D.

On 8/29/12 9:56 PM, Don Holmgren wrote:
>
> Yes, that's right, CX4 to CX4.
>
> Don
>
>
> On Wed, 29 Aug 2012, Duke Nguyen wrote:
>
>> Hi Don,
>>
>> On 8/29/12 6:49 PM, Donald J Holmgren wrote:
>>> We use the AMD version of this motherboard ("TwinU").  The landed 
>>> Mellanox MT25204 HCA has a 4x microGiGaCN connector at the back of 
>>> motherboard. These are also often called CX4 connectors.
>>
>> Excellent! Thanks so much for this info.
>>
>>>
>>> Depending upon the switch you will connect the systems to, you need 
>>> either microGiGaCN to microGiGaCN cables, or microGiGaCN to QSFP 
>>> cables. Colfaxdirect.com lists many of each type.
>>
>> The switch we are considering is QLogic SilverStorm 9024 
>> (9024-FC24-ST1-DDR). So I suppose we need microGiGaCN to microGiGaCN 
>> (CX4 to CX4) cable?
>>
>> Thanks,
>>
>> D.
>>
>>>
>>> Supermicro.com has detailed specs and the manual for this motherboard.
>>>
>>> Don
>>>
>>>
>>>
>>> On Aug 29, 2012, at 5:05 AM, "Duke Nguyen" <duke.lists at gmx.com> wrote:
>>>
>>>> Hi folks,
>>>>
>>>> We plan to build a cluster using server built with SuperMicro 
>>>> X7DWT-INF
>>>> motherboards. Unfortunately google does not give us much information
>>>> about the type of connector that X7DWT-INF has.
>>>>
>>>> Anybody using this motherboard in their cluster? Please give us advice
>>>> about which connector the board has and what infiniband cable we 
>>>> should
>>>> acquire to fit in the rack-mount servers built with these boards.
>>>>
>>>> Thanks,
>>>>
>>>> D.
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>>
>