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Thread: HP dv6z Quad - AMD A8-3530MX APU

  1. #1
    Join Date
    Nov 2010
    Posts
    103

    Default HP dv6z Quad - AMD A8-3530MX APU

    So I got this laptop expecting the turbocore feature to work, but my clock doesn't go pass 1.9Ghz.

    I'm pretty sure Turbocore was advertised for this laptop.


    I have kernel 3.0
    Code:
    cat /sys/devices/system/cpu/cpu0/cpufreq/bios_limit
    1900000
    This shows up on my dmesg
    Code:
    [    7.029158] powernow-k8: Found 1 AMD A8-3530MX APU with Radeon(tm) HD Graphics (4 cpu cores) (version 2.20.00)
    [    7.029440] powernow-k8: Core Performance Boosting: on.
    [    7.029662] powernow-k8:    0 : pstate 0 (1900 MHz)
    [    7.029862] powernow-k8:    1 : pstate 1 (1700 MHz)
    [    7.030015] powernow-k8:    2 : pstate 2 (1600 MHz)
    [    7.030169] powernow-k8:    3 : pstate 3 (1400 MHz)
    [    7.030322] powernow-k8:    4 : pstate 4 (1200 MHz)
    [    7.030476] powernow-k8:    5 : pstate 5 (1000 MHz)
    [    7.030630] powernow-k8:    6 : pstate 6 (800 MHz)
    Anyone know if this is in fact a BIOS limitation or a linux limitation?

  2. #2
    Join Date
    Feb 2008
    Location
    Linuxland
    Posts
    5,072

    Default

    The Windows reviews say it can't be detected from Windows either with standard tools, that it toggles on and off very fast.

    If you have a bios toggle for it, try benchmarking it on and off.

  3. #3
    Join Date
    Nov 2010
    Posts
    103

    Default

    Unfortunately, I don't have a BIOS option for that.. The BIOS (insyde) doesn't really allow many changes other than boot order and date/time.

    A guy on the anandtech forums was able to get his cores to turbo just by moving some windows around.
    link: http://forums.anandtech.com/showthread.php?t=2185031

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