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Zotac GTX 560 2GB ( Need Help Overclocking )

post #1 of 3
Thread Starter 
Hello fellow OCN members and staff,

I am having the Zotac GTX 560 2GB Version.
It isnt an Ti, AMP or SE edition and it looks like in the picture below.



Speeds are : 820 / 4008 / 1640

The GTX card came with overclocking software from Zotac called Firestorm.
I never haved over-clocked this card so My question is ....

Are there more people who are having this GPU an its over-clocked ?
What are the settings that u are using ?
I am looking for right settings wich I can accomplish.
And most of the people here @ OCN haves the Ti or AMP edition and overclocked it.

What program is the best for overclocking an GPU,
I dislike the Firestorm software cause its slow and crashes evertime.
But I think my card cant handle over-clocking much.
The standard voltage of stock speeds = 1012 it says in Firestorm.
Max can be set to 1150.

I really would like to hear some reply's on this.

Greetz
post #2 of 3
download MSI AB 3.0.0 Beta 17 from this LINK

go under settings to the last tab and change the skin to legacy.

now you can start overclocking this card. every card is different so there is no point in giving you clocks that you might not be able to achieve.

what i can give is the order you should increase the clocks.

1. core clock

after you found the highest stable start with number 2.

2. shader clock

and then 3

3. memory clock

this order will give you the most benefit.
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post #3 of 3
uninstall the fire storm and reboot. then go get after burner and let it do what it needs to do to install - it'll install rivaserver also - its ok. after starting AB go to settings and check unlock voltage control.

now comes the fun - well after you get unigine valley to test stability.

deselect auto on the fan and set to to 100% (for now to keep it cool). most likely you can go with a 10% OC off the rip. so add 80 to the core clock, which is tied to the shader clock btw. run valley at uber setttings to see if thats stable - worse that can hppen is you crash and have to restart the computer. but keep an eye on the temps even with 100% fan speed. personally i don't like going above 75c but thats me.

if you run the bench fine, then add increments of 5mhz until you crash. when you cash and reboot, go back 5mhz (the last known speed it was fine) and rerun the bench to make sure. now you're looking at raising the voltage to increase the clock. being a zoltac card, that is usually a more budget model but should do 1.150 volts. you might want to avoid jumping tot the highest so to keep the temps down.

maybe first start with a BIG jump to 1.100 - bench at that to see the temps - still 100% fan speed. even though the max temp is 90c for fermi, if you're below 80c your pretty good. now start increasing your clock speed again with more volts. now when you crash and you will, its up to you as to adding more voltage. i am sure it will be fine up to 1.150 so start slowly adding 0.005 volts.


once you find your clock and voltage, back down 10mhz and start looking at the Vram with +25Mhz. again wash rinse repeat as with the clock speed but we aren't touching the voltage, right? btw, valley loves vram OCs but some games aren't so noticable.

after you spent a few hours tweaking everythoing out, play a game like BF3 or crysis 3 and see how well it does. warning both games will take an OC, chew it up and spit it back in your face. if you can play those games or far cry 3 for a few hours withpout any problems - you are 100% stable! thumb.gif


hope this helped - the most you'll learn is by doing BUT know what and why you're doing it.

edit: oh, yeah at some point you're going to set a fan curve and take it off 100% but that will be dependent on your card and what noise and temps you can live with. wink.gif
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