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Zotac h55 itx overclocking - Page 2

post #11 of 19
Don't ever get too caught up in WEI scores; they're pretty much useless to enthusiasts and I dare say hardly accurate. But if it's really bothering you, make sure you don't have any advanced/forced options activated in Catalyst. I once had a similar problem and once I set everything in CCC back to default, my score went up.
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post #12 of 19
Thread Starter 
Quote:
Originally Posted by DevilGear44 View Post
Don't ever get too caught up in WEI scores; they're pretty much useless to enthusiasts and I dare say hardly accurate. But if it's really bothering you, make sure you don't have any advanced/forced options activated in Catalyst. I once had a similar problem and once I set everything in CCC back to default, my score went up.
DevilGear44, thanks for that tip. i wont worry about them anymore and it helps that this super deal of a video card is able to hold 940MHz / 1425Mhz ram in 3dmark11 and 960MHz with same ram speed in Heaven 2.1!

yea, i had to crank up the volts but who cares it runs at 65C or less - even better, this is a card that would not flash to 6970 i had to just keep the 6950 bios and modify to unlock the shaders.

back to topic, the little guy wont overclock worth **** 3.57GHz is topped out for stability - even with over 1.45V (up to 1.56 at times ??) temp is never an issue but it just wont go faster. on 1920x1080 all defaults dx11 heaven 2.1 i managed 54FPS average and that is very very good for this video card... also pulled P5228 in 3dmark11 and 54.6fps on lost planet default dx11 1920x1080. So i am very impressed and people are going to freak at a lan party tomorrow - i'll take some pics for the other mini-itx crowd to check out.

what is the speed record for one of these anyway??
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post #13 of 19
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And to close this loop.. i took the same i3 chip out of m zotac h55 that wont go above 3.6GHz and easliy got 4.2GHz stable @ 1.45V using an Asus ROG Formula 1156 board, i could have gone higher. So this little board works, but its not fast and does not overclock well.
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post #14 of 19
Hey twistedneck we have the same case how do you like yours? We also have the same board I think. I am working on water cooling mine soon and then will be working on OC it.

Did the mosfet coolers do anything for your oc? I have a 40mm fan on heatsink where it says zotac. It made a huge difference on OC's. Although I was able to get it to 3.5 and stable with prime and pi for 3 days it would crash randomly after playing games or listening to pandora after a few hours. I checked my ram it was fine so just brought it back down to 2.88Ghz but its fine by me. Once water cooled I will try again.
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post #15 of 19
Thread Starter 
Quote:
Originally Posted by Charles1 View Post
Hey twistedneck we have the same case how do you like yours? We also have the same board I think. I am working on water cooling mine soon and then will be working on OC it.

Did the mosfet coolers do anything for your oc? I have a 40mm fan on heatsink where it says zotac. It made a huge difference on OC's. Although I was able to get it to 3.5 and stable with prime and pi for 3 days it would crash randomly after playing games or listening to pandora after a few hours. I checked my ram it was fine so just brought it back down to 2.88Ghz but its fine by me. Once water cooled I will try again.
Charles sorry the response took so long i didn't see your comment.

Mosfet coolers did a lot for stability, i was only able to hold 3.2GHz stable when i first installed the i5 760 but then i felt the copper coolers i put on the mosfets and they burned my finger so i put a small fan pointing directly at them and presto 3.5 GHz stable 24/7 even as a media server.

I didn't realize the zotac logo chip got that hot whats under that zotac cover?

Now the spider case.. wow. first off, i collapsed the legs when installing the amd 6950 and 700W cougar PSU - just way to heavy. so i had to put tension wires connecting all four legs to each other so they wont splay out. another strange thing there is no video card holder on this case. the heavy amd board was flexing left and right so bad it nearly fell out and i had to create a wire that attaches from my 92mm noctua heat sink to the video card itself, hooking it to keep it stable.

that case attracts a lot of comments and its just really cool. i have a bunch of wires coming out the front and it looks like a crab with some strange beard of cords hanging off its front.
Edited by twistedneck - 3/27/11 at 1:19am
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post #16 of 19
nice well hey if you dont mind can you send me pics to my email so i can get a better visual of your rig. Just want to see where all the heat sinks are placed and what you meant by flex. and so on.

My card is water cooled right now and the tension of the tubes keeps from moving around and junk so im good. Once i water cool the cpu and place everything hows its mean to be the card wont budge LOL.
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post #17 of 19
Thread Starter 
Quote:
Originally Posted by Charles1 View Post
nice well hey if you dont mind can you send me pics to my email so i can get a better visual of your rig. Just want to see where all the heat sinks are placed and what you meant by flex. and so on.

My card is water cooled right now and the tension of the tubes keeps from moving around and junk so im good. Once i water cool the cpu and place everything hows its mean to be the card wont budge LOL.
Here is a pic - the beard of cords is minimal here.

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post #18 of 19
cool setup
simple stuff
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post #19 of 19
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Quote:
Originally Posted by jsigone View Post
cool setup
thanks jsigone however the setup has now been parted out. upon disassembly its a good thing i added those copper mini heat sinks. the two vrms that i had noticed getting hot during over clocking showed slight evidence of burning on the motherboard. there was clearly some brownish oxides there from very high temperatures. at one point i added that little fan and it probably saved those two mosfets.

that same i7 760 is stable at 4.1GHz in an asus p7p55d-e lx.
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