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Thread: cpufreq Celeron 550 2.0GHz on Hardy

  1. #1
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    cpufreq Celeron 550 2.0GHz on Hardy

    Hi!
    I have an Acer TravelMate 5320 laptop with Intel Celeron 550 on 2.0 GHz and cpu scalling just won't work. I tried to load many modules but none of them doesn't work. Please help...Thanks!
    processor : 0
    vendor_id : GenuineIntel
    cpu family : 6
    model : 22
    model name : Intel(R) Celeron(R) CPU 550 @ 2.00GHz
    stepping : 1
    cpu MHz : 1995.324
    cache size : 1024 KB
    fdiv_bug : no
    hlt_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 10
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss tm pbe nx lm constant_tsc up arch_perfmon pebs bts pni monitor ds_cpl tm2 ssse3 cx16 xtpr lahf_lm
    bogomips : 3994.63
    clflush size : 64

  2. #2
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    Re: cpufreq Celeron 550 2.0GHz on Hardy

    Quote Originally Posted by m-a-c View Post
    Hi!
    I have an Acer TravelMate 5320 laptop with Intel Celeron 550 on 2.0 GHz and cpu scalling just won't work. I tried to load many modules but none of them doesn't work. Please help...Thanks!
    processor : 0
    vendor_id : GenuineIntel
    cpu family : 6
    model : 22
    model name : Intel(R) Celeron(R) CPU 550 @ 2.00GHz
    stepping : 1
    cpu MHz : 1995.324
    cache size : 1024 KB
    fdiv_bug : no
    hlt_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 10
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss tm pbe nx lm constant_tsc up arch_perfmon pebs bts pni monitor ds_cpl tm2 ssse3 cx16 xtpr lahf_lm
    bogomips : 3994.63
    clflush size : 64
    I don't believe the Celeron processors support frequency scaling. I had a Celeron M 430 1.73GHz in my previous laptop and it did not support frequency scaling.
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  3. #3
    Join Date
    Jan 2006
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    Re: cpufreq Celeron 550 2.0GHz on Hardy

    While I'm not certain about the Celerons, I can say that on my G5 PPC box, the default powernowd doesn't seem to work, so I uninstalled it and installed cpudyn instead as a replacement. Scaling works for me now..
    20" G5 iMac - AMD64 HP desktop
    http://www.ppclinux.info/

  4. #4
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    Re: cpufreq Celeron 550 2.0GHz on Hardy

    Quote Originally Posted by stream303 View Post
    While I'm not certain about the Celerons, I can say that on my G5 PPC box, the default powernowd doesn't seem to work, so I uninstalled it and installed cpudyn instead as a replacement. Scaling works for me now..
    Here is a list from my experience of processors that support frequency scaling on the fly.

    Athlon 64 (all makes)
    Pentium D
    Core Solo
    Core Duo
    Core 2 Duo

    There may be more.
    Windows XP - Excellent computer virus detector.
    Windows Vista - Most bloat for the money.

    Visit my Ubuntu Resource Website http://www.stchman.com

  5. #5
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    Re: cpufreq Celeron 550 2.0GHz on Hardy

    Quote Originally Posted by stchman View Post

    Athlon 64 (all makes)


    There may be more.
    Does that include Opterons? (On the Desktop)

  6. #6
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    Re: cpufreq Celeron 550 2.0GHz on Hardy

    Quote Originally Posted by Private_Ops View Post
    Does that include Opterons? (On the Desktop)
    I cannot say, the list of processors I have are ones that I have actually used. I have never used an Opteron.

    Easiest way is to boot up a LiveCD on an Opteron machine and se if it does.
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    Windows Vista - Most bloat for the money.

    Visit my Ubuntu Resource Website http://www.stchman.com

  7. #7
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    Re: cpufreq Celeron 550 2.0GHz on Hardy

    Frequency scaling works on Celeron if you add "p4_clockmod" to your /etc/modules file.

  8. #8
    Join Date
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    Re: cpufreq Celeron 550 2.0GHz on Hardy

    Quote Originally Posted by miestrâ View Post
    Frequency scaling works on Celeron if you add "p4_clockmod" to your /etc/modules file.
    I've tried that and it doesn't work...
    Any more ideas?

  9. #9
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    Ubuntu 8.04 Hardy Heron

    Re: cpufreq Celeron 550 2.0GHz on Hardy

    I think celeron doesn't support spufreq. I looked at http://processorfinder.intel.com/det...px?sSpec=SLA2E and also at Intel Celeron M Processor on 65 nm process datasheet, page 23, all other fields are marked RESERVED so it looks like it doesn't support it
    Attached Images Attached Images
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