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x1950 pro and DNA drivers - Page 2

post #11 of 14
Oh I just noticed your power supply, there's your problem, 240watts is not enough for that card and it's definately holding you back.
Is there any way you could get a higher rated PSU in there?
As I recall 78x is about all I could get with my memory also.
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post #12 of 14
Nah I doubt it's his PSU. I could OC when I had a Sapphire using a cheap little HP 350W PSU.
BTW I wouldn't worry much about the GPU frequency. Focus on getting that memory up there. You memory is rated at 1.2ns, which is a nominal freq. of 800 Mhz . I know people clocking the Sapphires up to 850 MHz. The highest I have gotten mine without artifacts is 823.5.
Also, if you have FEAR I would use that grahics performance test to see where your diminishing returns are on your OCs. TBH I don't remember a difference in the core clocking much...but the memory was. I read that the card is memory bandwidth limited.
Here is a good thread at techpowerup. Most of the vendors are here:
http://forums.techpowerup.com/showthread.php?t=23146
And Grunion I loled at your sig! Nice!
Also, how is the image quality on those DNA drivers? I've never tried them.
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post #13 of 14
Quote:
Originally Posted by binormalkilla View Post
Nah I doubt it's his PSU. I could OC when I had a Sapphire using a cheap little HP 350W PSU.
BTW I wouldn't worry much about the GPU frequency. Focus on getting that memory up there. You memory is rated at 1.2ns, which is a nominal freq. of 800 Mhz . I know people clocking the Sapphires up to 850 MHz. The highest I have gotten mine without artifacts is 823.5.
Also, if you have FEAR I would use that grahics performance test to see where your diminishing returns are on your OCs. TBH I don't remember a difference in the core clocking much...but the memory was. I read that the card is memory bandwidth limited.
Here is a good thread at techpowerup. Most of the vendors are here:
http://forums.techpowerup.com/showthread.php?t=23146
And Grunion I loled at your sig! Nice!
Also, how is the image quality on those DNA drivers? I've never tried them.
Really you think 240 is enough?
I'll have to look at some screens and see what I maxed my mem at.
Yeah I laughed when I read that statement myself.
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post #14 of 14
Really? 250w is enough for overclocking the x1950pro? I know their system isn't at capacity with respect to power requirements, but isn't it true that the x1950pro can take up to something like 200 watts under full load and about 100 under 2-D idle? Perhaps I'm not remembering correctly. That's a lot for such a small PSU. But perhaps I'm wrong with respect to the power draw under load--maybe it's quite a bit less.
    
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