Re: [Gumstix-users] Overo CPU > 500MHz ?

[R. P. M. <log...@gm...>]

> Do you have any patch for this we could add to below wiki page?

We don't run Linux.

On 9/12/09, Dirk Behme <dir...@go...> wrote:
> R. P. McMurphy wrote:
>> I permanently run my 3503 Overo's at 600MHz. The core voltage from the
>> PMIC does need to be raised from the power-on default. 1.35V for the
>> core.
>
> Do you have any patch for this we could add to below wiki page?
>
> Thanks
>
> Dirk
>
>> With a heavy-load test program (~420ma @ 3.6V) the CPU die
>> temperature was 75C in still air. So I never bothered to put any
>> external cooler. 75C was measured using the internal on-die temp
>> sensor. Using the "finger test" on the external Micron RAM/ROM, I
>> found I could touch it without discomfort, so I estimate <60C
>> external.
>>
>> On 9/9/09, RJ <ra...@bl...> wrote:
>>> At 12:44 PM 9/8/2009, you wrote:
>>>>> please give me some hints what to do to get clock rates > 500MHz ?
>>>> http://elinux.org/BeagleBoard#Clocking
>>>>
>>>> Best regards
>>>>
>>>> Dirk
>>>
>>> I see that 600MHz is not recommended for extended use.
>>> I'm guessing here, but the core V needs
>>> increasing to overcome the additional heat noise
>>> in the circuit (?) and so peltier cooling might
>>> either increase the max clock, or, extend the life.
>>>
>>> 2¢
>>>
>>
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