T60p very high power consumption at idle

T60/T61 series specific matters only
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IvanAndreevich
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T60p very high power consumption at idle

#1 Post by IvanAndreevich » Sat Jan 08, 2011 6:26 pm

I have this 15.4" T60p here, and something just isn't right about it. Fresh install of Win 7 and all drivers. Bios is updated too.

It's drawing 13.5W at idle with minimal brightness on the screen and wireless off. Horrendous! This is close to double of what it should be at.

Any ideas?
Owned Thinkpads: X300 X201T X200,T X61,s,T,T+ X60,s,T,T+ X41 X40 X31 T510 T500 T410 T400 T400s T61,p T60,p T43 T42 T41,p T40 W500 W700 - favorites in bold :)
To do list: X301 X220 X220T X201 X201s X200s X201i T420s T410s T420 T520 W510 W701 and future models :)

Binh
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Location: Hanoi, Vietnam.

Re: T60p very high power consumption at idle

#2 Post by Binh » Sun Jan 09, 2011 1:09 am

IvanAndreevich wrote:I have this 15.4" T60p here, and something just isn't right about it. Fresh install of Win 7 and all drivers. Bios is updated too.
It's drawing 13.5W at idle with minimal brightness on the screen and wireless off. Horrendous! This is close to double of what it should be at.
Any ideas?
It is normal, the lowest power consumption of my T60p 15" UXGA FV under Win7 is about 13.5W too. With XP it consumes no less than 12.8W.

Comparing to my T42p 15" UXGA FV, T60p consumes 2.0-2.5W more. IMO, the main reason is the 945 chipset: it is hot in the area around the north bridge even in idle mode.
Compaq 386SX > AST 486SX-25 > TP 390E > Compaq N410C > T41 2373-9U5 > T42p 2378-RVU UXGA 1.7@2.45GHz > T60p UXGA modded to T61 8889-ACG with T8300 OCed to 3.2Ghz@1.20V, undervolted to 1.6Ghz@0.775v, Nvidia NVS-140M undervolted to 0.9v, PCI-E ASPM enabled, 11W power in idle.

IvanAndreevich
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Location: Vancouver, BC, Canada

Re: T60p very high power consumption at idle

#3 Post by IvanAndreevich » Sun Jan 09, 2011 1:41 am

Binh wrote:It is normal, the lowest power consumption of my T60p 15" UXGA FV under Win7 is about 13.5W too. With XP it consumes no less than 12.8W.

Comparing to my T42p 15" UXGA FV, T60p consumes 2.0-2.5W more. IMO, the main reason is the 945 chipset: it is hot in the area around the north bridge even in idle mode.
You know what, I just double checked on the 15.4 inch T61 with NVS140M graphics, and it's also at 14.4W idle with wireless off! I've also had regular T60's which were probably 8W or so, although they weren't the 15.4 inch model.

Conclusion: it's neither the chipset, nor the video card - it's the screen! What's funny is that my friend's W500 with WUXGA screen idles at 10W or so.
Owned Thinkpads: X300 X201T X200,T X61,s,T,T+ X60,s,T,T+ X41 X40 X31 T510 T500 T410 T400 T400s T61,p T60,p T43 T42 T41,p T40 W500 W700 - favorites in bold :)
To do list: X301 X220 X220T X201 X201s X200s X201i T420s T410s T420 T520 W510 W701 and future models :)

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