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Who is using EIST (speedstep) with their Core2?

DO you use EIST on your Core2?

  • No, I want MAX performance all the time!

    Votes: 13 48.1%

  • No, who cares about less heat or energy!

    Votes: 2 7.4%

  • Tried it, but not stable b/c of high OC.

    Votes: 1 3.7%

  • Yes, I use it & it works great.

    Votes: 7 25.9%

  • Whats EIST ?

    Votes: 4 14.8%
  • Total voters
    27
C

chrisf6969

[H]F Junkie
Joined
Oct 27, 2003
Messages
9,011
At first I disabled it to see how high I could overclock.
Unfortunately, after 3Ghz my chip starts needing way too much
vcore to get it higher. So I settled for 3Ghz and set EIST on, which works great.

One thing thats nice is that with the speed step enable in BIOS & through power manangement in windows set to Portable/Laptop it downclocks to 2Ghz @ 1.05v and runs ultra cool. (when idle)

So how many people are using this feature? Or how many can use it, I'd imaging for some people with super high clocks it might not stay stable when it drops the voltage, or if you've got a 6300 it only drops by 1x (from 7 to 6) so it might not work.

BTW, you might lose a slight bit of performance b/c if the CPU isn't loaded heavy enough it will stay at the lower clock.
For example, my SuperPi 1M = 19.24 with EIST, 16.9 with out EIST
3dMark2005 = 11,800 with EIST , 12,000 with out EIST
BUT even with EIST on it still owns everything else!

Just curious. POLL + details on your rig.
 
While I love EIST in my laptop, i wonder why it is needed on a desktop. You should be folding all the time anyway!
 
It was designed to keep laptops cooler and increase battery time. I idle low enough with my moderate overclock (42-44C) that I have it disabled in the BIOS. What I did to lower core temps was undervolting.
 
FYI you can OC and save power at the same time. Not sure if it has been posted before but you can use Rightmark to set C1E and it drops your multi and vcore down when idle. You must disable C1E in bios tho, it will only work when set in windows for some reason.

IDLE
c1e_idle.jpg


LOAD
c1e_load.jpg
 
syne_24 said:
FYI you can OC and save power at the same time. Not sure if it has been posted before but you can use Rightmark to set C1E and it drops your multi and vcore down when idle. You must disable C1E in bios tho, it will only work when set in windows for some reason.

IDLE
c1e_idle.jpg


LOAD
c1e_load.jpg
Click to expand...

I've got this running on my P5W and it kicks ass. However, even with EIST disabled on my P5B D, it won't work. It drops the multi, but won't drop the voltage, thus still running hot.
 
Brahmzy said:
I've got this running on my P5W and it kicks ass. However, even with EIST disabled on my P5B D, it won't work. It drops the multi, but won't drop the voltage, thus still running hot.
Click to expand...

I have all 3 enabled in the BIOS: C1E, TM2, & EIST

Then go to the screen saver tab, power management, switch to Laptop/Portable, then I changed the options to only turn the monitor off.
 
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