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cpu throttling

post #1 of 25
11/9/03 at 7:00pm
Thread Starter 
is there a way to stop the cpu from dwindling when running on batteries?
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post #2 of 25
11/9/03 at 7:22pm
Set the power scheme to "always on" in control panel and/or set throttling to 0% in bios
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post #3 of 25
11/9/03 at 7:35pm
Thread Starter 
theres no option in the bios.
setting that to always on will fix the speed issues? it doesnt say anything about it?
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post #4 of 25
11/9/03 at 7:36pm
1. Yes there is
2. Why dont you try it?
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post #5 of 25
11/9/03 at 7:38pm
Quote:
Originally posted by Henrik
1. Yes there is
2. Why dont you try it?
There's no option for cpu throttling in my BIOS.

Do you have a hacked BIOS?
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post #6 of 25
11/9/03 at 7:38pm
Thread Starter 
i have it set that way now. why do you not know if it works or not?
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post #7 of 25
11/9/03 at 7:47pm
The throttle setting in bios is in a submenu called "Intel developed advanced menu" or something similar.

Well, did it work or didnt it?
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post #8 of 25
11/9/03 at 7:51pm
Thread Starter 
i havent been able to try it.
i do not have that option in my bios
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post #9 of 25
11/9/03 at 7:54pm
which bios version do you have?
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post #10 of 25
11/9/03 at 7:55pm
Thread Starter 
dont know off hand its the one it shipped with. theres almost no options in there
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post #11 of 25
11/9/03 at 8:03pm
ok, I checked the bios for the 5680, you havent this setting, the 5660 and 5670 have.

However, the power scheme thing will work.
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post #12 of 25
11/9/03 at 8:06pm
Thread Starter 
ok cool thanks
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post #13 of 25
11/9/03 at 8:19pm
Quote:
Originally posted by Henrik
The throttle setting in bios is in a submenu called "Intel developed advanced menu" or something similar.
So such beast in my BIOS.
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post #14 of 25
11/10/03 at 2:52am
for the 5680, i set it to Always On or Home/Office Desk ...it doesn't matter, once i pul the plug in any game liek Call of Duty, the FPS just drops...it starts to get so choppy it seems like I'm playing on a 1GHz Geforce 2MX.

then right when i plug the power cord back in, wallah, instant turbo and my sager 5680 just runs smooth.

i wish i knew why they did this. was it to save battery? if so, they should have that feature in the bios for the 5680 to disable it so people who dunt care about getting only 30 mins on battery to play.

or maybe is it cuz the battery doesn't have enough voltage,juice,amps to push the laptop to its maximum???


i don't get that.

one thing i gotta admit is cool is when u pull the plug with the battery, the computer doesn't crash or reboot....shows u the engineering is excellent...
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post #15 of 25
11/10/03 at 4:02am
Quote:
or maybe is it cuz the battery doesn't have enough voltage,juice,amps to push the laptop to its maximum???
Maybe thats it, because the "always on" profile is supposed to not degrade performance under any circumstances
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post #16 of 25
11/10/03 at 4:12am
I tried on my 5660, I got the same result on sisoft sandra cpu benchmark when running on battery as on ac.
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post #17 of 25
11/10/03 at 7:44pm
on the 8890


in the bios there is a setting to change cpu speed when on battery power

It does not tell you a specific percentage to change, but rather just enable and disable this "speedstep" process. By default, mine was disabled. But I know for a fact it is there. I am at school right now and will post again when I get home and can try it. I am not sure if it will make a difference in your case, but I will try mine.


Also, it is possible your battery is defective, in a way. Your battery should have no problem (if running properly and fully charged) to run your laptop for at least 3 minutes without a loss of power. You should not notice and instantaneous drop in all that stuff. Try benchmarking it plugged and unplugged and post your results. It may be a game flaw somehow knowing its on battery to use less power itself ,,,altho highly doubtful. Give it a shot and post what u get.
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post #18 of 25
11/10/03 at 8:38pm
Its confirmed, i just emailed sager regarding the cpu throttling and here's what they said:

"
The BIOS did not have the option for the CPU throttling, as the future BIOS will include for change the % in throttling, no idea, the manufacture have it's own consideration, when they release the new bios, but we can pass this to the manufacture.

david

"

so it looks like once the 5680 is on battery, the throttling kicks in. as how much we don't know, but he said he will notify the manufacture and tell them about it and to include into a new bios update.
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post #19 of 25
11/10/03 at 10:07pm
i ran a few tests on sisoft sandra cpu arithmetic benchmark tests.


I did 3 versions, one on ac, one on battery with cpu clockdown enabled, and one on battery with cpu clockdown disabled.



AC :dhrystone 9888 mips
whetstone 4006/7011 mflops

battery w/ clockdown: dhrystone 9831 mips
whetstone 3998/6839 mflops

battery w/o clockdown: dhrystone 9747 mips
whetstone 4001/6863 mflops

Note: FSB was 768 mhz w/ clockdown and 800 mhz on other tests. I have saved everything that sisoft sandra gave me in a ord document, so if u have a question about something i didnt post, just ask.
It shows the battery does slow things down, but not as much as the clockdown enabled in the bios. This was an 8890.
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post #20 of 25
11/10/03 at 10:45pm
ryanniedz, according to those figures it looks like your computer was NOT downclocked in any test. Those variations of the results are normal, and you even got better dhrystone result when "downclocked" than not.
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