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Precision M4300 getting too hot


chapolote
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Hi, something seems to be wrong with cooling management working with osxlatitude. Working with the same laptop under Windows, I don't have any issues, but under MacOsX after something like 2 hours of work, the laptop shuts off immediately and the body is extremely hot. After cooling down and a restart, I get the bios message, that the system was switched off to avoid damage. I'm not sure, but it seems like the cpufan just don't work properly under OsX. Anyone any idea how to fix this? Thanks for any help, Chapolote

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Here the specs, as far as I think you need them:

 

It's a Dell Precision M4300,

Processor T7500, 2.2, 4MB, Graphic-Card Nvidia Quadro FX360M

 

OS X is ML 10.8.3, EDP v5.1 Rev:428

 

Systeminformation in ML 10.8.3

 

  Modellname:    MacBook Pro
  Modell-Identifizierung:    MacBookPro3,1
  Prozessortyp:    Intel Core 2 Duo
  Prozessorgeschwindigkeit:    2,01 GHz
  Anzahl der Prozessoren:    1
  Gesamtanzahl der Kerne:    2
  L2-Cache:    4 MB
  Speicher:    4 GB
  Busgeschwindigkeit:    733 MHz
  Boot-ROM-Version:    MBP31.0070.B07
  SMC-Version (System):    1.30f3
  Seriennummer (System):    xxxxx
  Hardware-UUID:    E20544DF-xxxxx

 

  NVIDIA GeForce 8400M GS:

  Chipsatz-Modell:    NVIDIA GeForce 8400M GS
  Typ:    GPU
  Bus:    PCIe
  Steckplatz:    PCI Slot 1
  PCIe-Lane-Breite:    x16
  VRAM (gesamt):    256 MB
  Hersteller:    NVIDIA (0x10de)
  Geräte-ID:    0x042d
  Versions-ID:    0x00a1

 

 

and what SMBIOS.plist says:

 

   SMUUID = "";
    SMbiosdate = "03/05/08";
    SMbiosvendor = "Apple Inc.";
    SMbiosversion = "MBP31.88Z.0070.B07.0803051658";
    SMboardmanufacturer = "Apple Computer, Inc.";
    SMboardproduct = "Mac-F42388C8";
    SMfamily = MacBookPro;
    SMmanufacturer = "Apple Inc.";
    SMmemmanufacturer = "Apple Computer Inc.";
    SMproductname = "MacBookPro3,1";
    SMserial = 5W4ZPC123;
    SMsystemversion = "1.1";
 

 

If you need more, please let me know ;)

 

Regards, chapolote

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Ok, need some help on this:

 

you say: use MBP5.1 as smbios. If I understand the mentioned article well, i don't have to modify the downloaded FakeSMC.kext to smc-version 1.33F8, because it is already modified. Correct?

 

On the other hand, following the article, the MBP which matches best Precision M4300 should be MBP3.1 with smc 1.16f11. Is it correct, that this would be translated in 6bit 01160F00 0011?

So, are you sure, that MBP5.1 matches to my M4300 better then MBP3.1? I mean, if one, you should know :)

 

Regards,

chapolote

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I can't remember if I coded MBP5,1 in that FakeSMC version, so check it! Disable PStateMenu to verify native SpeedStep operation. There's also a good chance that you can run without NullCPUPowerManagement (or maybe you do already), in which case, ensure your Chameleon boot plist has P & C States checked.

 

Are you using a D830 or D630 nVidia DSDT?

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