[CUBE] Processor upgrade

[Don Linares]

> What about those of us who already have a Dual 800 upgrade in our 
> cubes.
>  Will we be supplied a 2nd board to supply 12volts to drive the CPUs?


On Sunday, January 12, 2003, at 11:49  PM, Don Linares wrote:

> What about those of us who already have a Dual 800 upgrade in our 
> cubes.
>  Will we be supplied a 2nd board to supply 12volts to drive the CPUs?
>
> On Sunday, January 12, 2003, at 04:25  PM, James Knight wrote:
>
>> Thanks for that explanation Robert
>>
>> Maybe you could let us know whether the new designs also solve the
>> wake-from-sleep problem?
>>
>> Cheers
>>
>> James
>>
>>
>> -- 
>> James Knight
>> Norwich, UK
>>
>> j.knight at kb-group.co.uk
>>
>>
>>
>> on 12/1/03 8:40 pm, Robert Jagitsch at robertj at powerlogix.com wrote:
>>
>>> We are not doing a replacement DC-DC card, there were too many design
>>> compromises that made such a design very difficult; namely, being
>>> able to support the power demands of dual processors with virtually
>>> no airflow over the DC-DC board. So instead we are going to leave the
>>> Apple DC-DC board alone, however we'll be providing a 2nd board to
>>> supply 12volts to drive the CPUs. The Apple board will therefore only
>>> have to provide 3v and 5v, and not 12v, significantly reducing its
>>> workload and lengthening its working life. And we'll be able to put
>>> our 12v DC-DC board into the airflow, and we have fewer other design
>>> compromises (can use other chipsets because the board can be bigger,
>>> etc.)
>>>
>>> If you have any other questions let me know.
>>>
>>> R
>>>
>>
>>
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