His Radeon HD 5770 Overclocking

kansasboy001 · Jun 6, 2013

I have 2 HIS H577FK1GD radeon hd 5770 in crossfire and I am having trouble getting a stable overclock. Has anybody successfully oc'd these cards?

any help would be great

spentshells · Jun 6, 2013

I have and it holds almost no value, don't spend to much time, even at 1Ghz the advantages were negligible

kansasboy001 · Jun 6, 2013

spentshells :

what are the speeds of your overclock? Core, and memory speeds and the utility that you used.

spentshells · Jun 6, 2013

I can't find the tool I used it was an older ati tool, it seems the ati page I was looking for is gone (no more ati)

Core I simply ran at 960Mhz with catalyst and mem 1350Mhz

The memory overclock can go much higher 1450 i've seen as almost normal,

remember the best oc you can get is the highest from the worst of the two cards,

If I find the tool later I will come back and update but let me tell you it does not support crossfire so it's really of no use BUT it does allow you to alter voltage on voltage locked cards

icraft · Jun 9, 2013

spentshells :

Unless it's hardware locked. I'm bumping this incase you find that tool, because I want to increase my voltage a bit, and it's locked.

kansasboy001 · Jun 11, 2013

icraft :

Have you tried msi afturburner?

icraft · Jun 16, 2013

lol, went on a week trip, sorry. But yes, I have, no change. It shows 1212mv but there is no change past the 1.2 stock. I'm thinking it's hard locked.

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His Radeon HD 5770 Overclocking

kansasboy001

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spentshells

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kansasboy001

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icraft

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kansasboy001

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