The Notebook Review forums were hosted by TechTarget, who shut down them down on January 31, 2022. This static read-only archive was pulled by NBR forum users between January 20 and January 31, 2022, in an effort to make sure that the valuable technical information that had been posted on the forums is preserved. For current discussions, many NBR forum users moved over to NotebookTalk.net after the shutdown.
Problems? See this thread at archive.org.

    Macbook2.1 / Windows 10 ==> CPU issue

    Discussion in 'Apple and Mac OS X' started by Alfly, Oct 12, 2018.

  1. Alfly

    Alfly Notebook Guru

    Reputations:
    22
    Messages:
    70
    Likes Received:
    14
    Trophy Points:
    16
    Hi everyone,

    I own an old 2006 macbook. Windows 10 (32bits) is running on. I have an issue with the CPU, intel T7400. The processor is running 1Ghz per core max instead of 2.1Ghz.

    What I did for the moment :

    - first installation I use Windows Update to find drivers. After I use Apple drivers through Bootcamp 4 and after 5.
    - I reinstalled W10 again with Apple driver (through Bootcamp 4). Everything is working nice, keyboard, sound, webcam, trackpad, ...
    - I scanned for new driver using Windows Update, Touslesdrivers, driverbooster, Intel driver assistant, ....
    - I installed Intel XTU (CPU not supported)
    - I installed ThrottleStop (CPU not supported) to have some informations
    - I did lot of others things, I don't remember all.


    This isn't thermal control because even when my PC is cold the CPU is runing only 1Ghz. Max temp is 50°C.
    I try to reinstall MacOSX 10.6. The CPU is running 2.1Ghz.

    This isn't a power limit because the voltage is 0.9V instead of 1.2V

    I checked those information with HWinfo.

    Windows reconizes my CPU like 2.1Ghz each core.

    The EFI is the last version (mac Version MB21.00A5.B07 (EFI 1.1)). The EFI is locked so I can't go in like other laptop with UEFI, it's sad.

    If someone has an idea, that can help me.

    Bye

    Alfly
     
    Alfly, Oct 12, 2018
    #1
  2. saturnotaku

    saturnotaku Notebook Nobel Laureate

    Reputations:
    4,879
    Messages:
    8,926
    Likes Received:
    4,707
    Trophy Points:
    431
    Have you tried installing Windows 7? It would work a lot better on that machine than 10.
     
    saturnotaku, Oct 12, 2018
    #2
  3. Alfly

    Alfly Notebook Guru

    Reputations:
    22
    Messages:
    70
    Likes Received:
    14
    Trophy Points:
    16
    No I didn't. It's a solution to try.
     
    Alfly, Oct 12, 2018
    #3
  4. Alfly

    Alfly Notebook Guru

    Reputations:
    22
    Messages:
    70
    Likes Received:
    14
    Trophy Points:
    16
    Hi everyone.

    So I come back to explain what I did, what I will do.
    My laptop is compatible only with MacOsX 10.4/5/6 due to efi limitation.
    So the windows drivers are Bootcamp 1/2/3.
    I have only the MacOsX 10.5 dvd, so Bootcamp 2. I have to buy 10.6 version to have BC3.
    I tried XP, W7 and W10. W10 is compatible with BC4 and above only.
    With XP and W7 everything is working nice except Fan control and CPU control.
    But I read it can be because there is no battery. On Apple website I read if there is no battery CPU turn itself in low power. So I bought a new one, I am waiting to receive it now. Then I wil try those 3 OS again.
    With MacOsX 10.5 and 10.6 my laptop is runing at full power.
    I tried Linux Xubuntu and Ubuntu but I got drivers issues (graphics and touchpad).

    Is there a way to enter into efi?
     
    Alfly, May 9, 2019
    #4
  5. saturnotaku

    saturnotaku Notebook Nobel Laureate

    Reputations:
    4,879
    Messages:
    8,926
    Likes Received:
    4,707
    Trophy Points:
    431
    Nope.
     
    saturnotaku, May 9, 2019
    #5
  6. Alfly

    Alfly Notebook Guru

    Reputations:
    22
    Messages:
    70
    Likes Received:
    14
    Trophy Points:
    16
    Hi,

    I come back to give some info for those who are curious.
    By installing battery my CPU ran to 2.1GHz.

    I chose to keep Wxp and W7 because W10 use two time more CPU than W7 on that computer.
    I found no way to undervolt the CPU to reduce heating.

    My two only issues are :
    - Computer is very hot even at idle (from 5 to 10% cpu usage), fan is running middle speed all the time and full speed easily for nothing (With XP and Seven).
    - Boot is pretty long. Is the dual boot (XP/W7) the problem.

    Any ideas?

    PS : Does someone know what is DC-IN MLB S0 rail temp sensor into HWInfo?
     
    Last edited: Aug 18, 2019
    Alfly, Aug 17, 2019
    #6