[ltp] Latest BIOS update on T41 running my fan faster

[Lance A. Brown]

I've had this unit since the beginning of June so it still quite new.
The only things that make the fan loud compiling kernels and other such
compute intensive tasks.  Also, I'm using APM and not APCI.  APM's
suspend-to-ram suits my uses very well.

--[Lance]

Charles Gillet wrote:
> 
> The stock radeon driver has no throtting code and makes the fan whine.
> It's a known commodity and has been discussed on the list before, and to
> my knowledge, none of the FC2 xorg updates addresses the issue.  If you
> know and can prove otherwise, I'd be stoked.  I hate having to use stuff
> that isn't part of the OS distro, and don't have the cycles to play with
> patches.
> 
> My usage profile may be different than yours, my fan may be getting
> noisy with age and use ...  who knows ... but the backout fixed my problem.
> 
> -charles
> 
> Lance A. Brown wrote:
> 
>> I have a T41 (2378-EPU) running FC2 with the regular old 'radeon' xorg
>> driver and do not have any fan problems using the up-to-date BIOS and
>> EC firmware.  Runs very quietly amost all the time.
>>
>> --[Lance]
>>
>> Charles Gillet wrote:
>>
>>>
>>> Ok, since you're all dying to know, and because I was going deaf, the
>>> answer is yes, the newest BIOS is the problem.  I backed off to 3.00,
>>> leaving the Embedded Controller version up to date, cooked the CPU
>>> with a helping of the hoggiest process I know of (Redhat/Fedora
>>> up2date) to be sure, and my fan stays hushed!
>>>
>>> Anyone from IBM on the list taking note??? :-)
>>
>>
>>

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