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Question

Are these 1.7GHz values correct ?

posted in IGEPv5
Tuesday, May 19 2015, 08:13 PM
0
Hi !

The card is sold as 1.7GHz capable so with proper cooling, can I use these values in the .dtb ?
500000 880000
1000000 1060000
1500000 1250000
1700000 1290000
Responses (5)
  • Accepted Answer

    mcaro
    mcaro
    Offline
    Monday, June 01 2015, 02:40 PM - #permalink
    0
    The driver should handle 1.7 Ghz, there you define the processor operating points ...

    Manel
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  • Accepted Answer

    Monday, June 01 2015, 06:45 PM - #permalink
    0
    Thanks, I'll try those values.

    What do you mean by "driver" ?

    ---EDIT :
    I'm not sure about your response, the card defaults to 1GHz, I had to tweak the .dtb in order to reach 1.5GHz.
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  • Accepted Answer

    Monday, June 01 2015, 07:30 PM - #permalink
    0
    Well, I'm stuck to 1.5 GHz :

    available frequency steps: 500 MHz, 1000 MHz, 1.50 GHz, 1.70 GHz

    cpufreq stats: 500 MHz:82.65%, 1000 MHz:5.18%, 1.50 GHz:12.17%, 1.70 GHz:0.00%

    I do a make -j4 to force full CPU usage but I only reach 1.5 GHz...
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  • Accepted Answer

    mcaro
    mcaro
    Offline
    Wednesday, June 03 2015, 09:49 AM - #permalink
    0
    Yes, it's not possible set the device to 1.7 Ghz if the change frequency & voltage driver don't handle this ... if you wish information about how to set this in the driver please contact Texas Instruments ...

    Manel
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  • Accepted Answer

    Thursday, June 04 2015, 10:12 PM - #permalink
    0
    This is where I don't get why you sell the card as 1.7GHz capable...

    Anyway, thank you for your answers.
    • mcaro
      more than a month ago
      We're not the processor manufacturer as I mention you're free to contact with Texas Instruments ...
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