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SCSI Port
Posts: 248
Registered: ‎10-11-2011
Location: france
0 Kudos

Re: Fan never stops DSDT / BIOS hacking thread

[ Edited ]

well at least it has been reported twice , so someone is aware

 

http://forums.lenovo.com/t5/Lenovo-3000-and-Essential/G470-fan-running-non-stop/m-p/637679#M34327

 

do you know lenovo policy about customer cares , do they provide feedback ? what is the expected delay ?

 

--
http://rzr.online.fr/q/lenovo# g470 s103t
Lenovo G470 | Model Name : 20078 | M fg Date: 11/03/23 | BIOS: 40CN23WW(V2.09) 06/20/2011 | CPU: i5-2410M | Linux version 3.3.4lenovog470+ (root@lap) (gcc version 4.6.3 (Debian 4.6.3-4) ) #8 SMP Tue May 1 10:23:48 CEST 2012
OS:GNU/Linux/Debian


Lenovo S10-3t | Model Name : 0651 | Mfg Date: 2010/06/08
Lenovo Staff
Posts: 3,557
Registered: ‎07-11-2010
Location: Malaysia
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Re: Fan never stops DSDT / BIOS hacking thread

@All,

For those in the US and are having this problem, appreciate if you can volunteer the machine for engineering to get the hardware checked.

//JameZ

Check out the Community Knowledge Base for hints and tips.


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X240 | 8GB RAM | 512GB Samsung SSD

Posts: 8,260
Topics: 421
Kudos: 1,422
Solutions: 317
Registered: ‎11-19-2007
Location: RTP, North Carolina
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Re: Fan never stops DSDT / BIOS hacking thread

All,

 

If you have a G470 or G570 with fan that runs at high speed or continuously even when the CPU temps are low, we are looking for a volunteer to send in a system for engineering to look at.

 

We've tested on systems we have, and as often the case, is not easily repeatable - to make progress we are going to need to see an example system.  Please send me a PM and include G570 fan running in your title as I receive a lot of PMs.

 

Based on other fan issues we have worked on, they can generally be solved with a BIOS update.   Setting expectations, once we can recreate the issue, it usually takes about 30 days to get an updated BIOS tested and published to the web.

 

I'll look for your PMs.

 

Thanks

 

Mark

 

 

____________________________________________

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Mark Hopkins
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SCSI Port
Posts: 248
Registered: ‎10-11-2011
Location: france
0 Kudos

Re: Fan never stops DSDT / BIOS hacking thread

[ Edited ]

Hi just pm'ed mark ...

 

We already have a technical solution to sumbit to the integration team ... 

 

http://tech.groups.yahoo.com/group/Lenovo/files/#dsdt.dsl 

 

I can help to provide technical details

 

 

I wish upcoming bios will fix the TZ00 bug as detailed at 

 

http://forums.lenovo.com/t5/Lenovo-3000-and-Essential/G470-fan-running-non-stop/m-p/566591#M32428

 

 

and hope upgrading will help to monitor fans's RPM and control them too .

 

Regards

 

--
http://rzr.online.fr/q/lenovo# g470 s103t
Lenovo G470 | Model Name : 20078 | M fg Date: 11/03/23 | BIOS: 40CN23WW(V2.09) 06/20/2011 | CPU: i5-2410M | Linux version 3.3.4lenovog470+ (root@lap) (gcc version 4.6.3 (Debian 4.6.3-4) ) #8 SMP Tue May 1 10:23:48 CEST 2012
OS:GNU/Linux/Debian


Lenovo S10-3t | Model Name : 0651 | Mfg Date: 2010/06/08
Punch Card
Posts: 20
Registered: ‎10-15-2011
Location: Pakistan
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Re: Fan never stops DSDT / BIOS hacking thread

still no development Smiley Frustrated
Punch Card
Posts: 29
Registered: ‎07-13-2011
Location: USA
0 Kudos

Re: Fan never stops DSDT / BIOS hacking thread

bump..... any updates??
SCSI Port
Posts: 248
Registered: ‎10-11-2011
Location: france
0 Kudos

Re: Fan never stops DSDT / BIOS hacking thread

Nothing at the horizon my side ... 

 

Do you know the time period of lenovo bios updates ?

 

I guess vendor will stop support on older models ...

that what we call planned obsolocence isnt it ? ...

 

 

Wont help but someone just complained there too  :

http://forums.lenovo.com/t5/Lenovo-3000-and-Essential/G470-fan-running-non-stop/m-p/660209/highlight...

 

--
http://rzr.online.fr/q/lenovo# g470 s103t
Lenovo G470 | Model Name : 20078 | M fg Date: 11/03/23 | BIOS: 40CN23WW(V2.09) 06/20/2011 | CPU: i5-2410M | Linux version 3.3.4lenovog470+ (root@lap) (gcc version 4.6.3 (Debian 4.6.3-4) ) #8 SMP Tue May 1 10:23:48 CEST 2012
OS:GNU/Linux/Debian


Lenovo S10-3t | Model Name : 0651 | Mfg Date: 2010/06/08
Punch Card
Posts: 20
Registered: ‎10-15-2011
Location: Pakistan
0 Kudos

Re: Fan never stops DSDT / BIOS hacking thread

Just tell me how can i upload costum bios Smiley Frustrated

Fanfold Paper
Posts: 13
Registered: ‎12-07-2011
Location: michigan
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Re: Fan never stops DSDT / BIOS hacking thread

If you need a laptop to test, you can go into a Tiger Direct in NC and buy one off the shelf. After seeing the BIOS DSDT I can't imagine there are any machines that don't produce this behavior.
Punch Card
Posts: 29
Registered: ‎07-13-2011
Location: USA
0 Kudos

Re: Fan never stops DSDT / BIOS hacking thread

How is it that Lenovo doesn't have their own machines to test?

 

Why is there seemingly no progress on this well known, serious issue?