[ltp] Re: Very slow starting X200 (pre-grub)

Paul van der Vlis linux-thinkpad@linux-thinkpad.org
Wed, 03 Dec 2014 22:20:11 +0100

Op 03-12-14 om 15:21 schreef Nikos Alexandris:
> On 27.11.2014 17:37, Paul van der Vlis wrote:
>> Op 26-11-14 om 20:56 schreef Nikos Alexandris:
>>> On 26.11.2014 21:23, Paul van der Vlis wrote:
>>>> Hello all,
>>>> I did some experiments and now my Lenovo X200 laptop boots very slow.
>>>> I think it takes 20 minutes from pressing the power-button till I see
>>>> grub. What to do?
>>>> Background:
>>>> I would like to experiment with AMT and I thought: lets install the
>>>> latest bios firmware. I did install it, and I rebooted and everything
>>>> seems to be OK. AMT was enabled during the install.
>>>> Then I configered ME using F12 and rebooted. I did not see anything
>>>> after rebooting anymore. After some experiments I did leave the laptop
>>>> on, and later I saw it has booted and I could reset the the bios to
>>>> defaults and turn-off AMT.
>>>> After rebooting I had to wait long again, and I did press "Y" after the
>>>> question to remove AMT. But it did not help, it still takes very
>>>> long to
>>>> start the laptop...
>>>> Maybe I need to install an older bios again?
>>> Perhaps. Taking so long might be the bios reading the memory (RAM)
>>> step-by-step.
>> Ah, I've a 4 GB module and a 1GB module.
>> I've flashed older firmware what works fine on other laptops (x200s,
>> this is a x200 without "s"), but I the same problem: very slow boot.
>> Not sure what was the firmware I used before on this machine...
> I have seen such an effect in an older (now) laptop of mine, the Samsung
> R20. Installing different RAM pieces, incompatible ones, I guess, lead
> to an extremely slow memory reading and, at some point, boot-up.

No, this was not the problem. I've tested it with one original Lenovo
RAM module. This booted the same slow.
It has to do with the configuration of ME, a part of AMT.

With regards,
Paul van der Vlis.

Paul van der Vlis Linux systeembeheer, Groningen