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Old Mar 21, 2008, 03:00 AM   #626
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I don't like the noise. So for 885 Ths stock is seeming OK, but I am going to start a 3D window and let it run and watch temps for a bit and see what it does.
Steevo I use 70% fans, and it is just more audible than my case fans. It keeps the card I have at 59*C load with 1.5Vcore!
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Old Mar 21, 2008, 04:40 AM   #627
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The only way i know my system is on is the keyboard and monitor lights and the occasional blink on the hard drive lights. Noise that is out of place bothers me during gaming too.
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Old Mar 21, 2008, 09:06 PM   #628
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The only way i know my system is on is the keyboard and monitor lights and the occasional blink on the hard drive lights. Noise that is out of place bothers me during gaming too.
this bios works okay.. no noise during 2 d but some during gaming.. it targets 70 C.. and runs as as fast as it has to to try and maintain it..

the default bios targets 90 C.. less noise but hotter..

the furbench cooks cards far more than games or a 3dmark.. the fan will be noisier during a fur bench run than a game.. overvolting means some noise.. if u dont want the noise run your card slower..

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Old Mar 22, 2008, 05:23 AM   #629
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Shows Corrupt folder when I try to extract.
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Old Mar 22, 2008, 05:33 AM   #630
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Shows Corrupt folder when I try to extract.
its not a zip file just renamed.. the upload system wont accept .bin files.. its the actual bios file with the extension changed from .bin to .zip.. just rename it to 3870fanfix.bin..

i forgot to mention it.. sorry..

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Old Mar 22, 2008, 10:44 AM   #631
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i cant seem to find a guide for my triplex 3870 and i've searched for a couple of days now lol,

i got some pics of my card but its a completely different layout, measuring points are easy to find but i dont know where to pencil as i dont have an R1222 resistor.

i really need to do this mod to see if the card is faulty, i sent back a X1950pro on the last day of its warranty and got sent the 3870 as a replacement but its not running properly.

in my pc all my games stutter and i get lower fps than i did with the x1950pro but it runs fine in my bro's pc. i thought it may be something else in my pc but my bro's 8800gt runs fine in my pc lol

on top of that i get CTD's with a driver stopped responding error unless i drop the core to 750 from 775 so im thinking its not getting enough juice maybe.....cooling is fine.
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Old Mar 22, 2008, 09:03 PM   #632
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I just bought a Diamond 3870 and noticed I don't have the R1222 resistor. It's marked on my PCB but there's just 2 solder points there. I tried measuring for resistance there but I didn't get any readings. I thought maybe the resistor is on the other side of the board, but that didn't turn out to be the case. I tried the alternate pencil mod from the Dutch forum (linked earlier in this thread) but I put a ton of graphite on the designated point and got no change in resistance. Any ideas on how I could up the voltage on this board?
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Old Mar 22, 2008, 09:55 PM   #633
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Try scratching up (lightly) the area between the two points for the second pencil mod.

The cards are covered in a sort of coating, and graphite doesn't like to stick to it. Use the edge of a nail file or something and just rough it up a bit so the graphite will adhere.
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Old Mar 22, 2008, 09:58 PM   #634
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I just bought a Diamond 3870 and noticed I don't have the R1222 resistor. It's marked on my PCB but there's just 2 solder points there. I tried measuring for resistance there but I didn't get any readings. I thought maybe the resistor is on the other side of the board, but that didn't turn out to be the case. I tried the alternate pencil mod from the Dutch forum (linked earlier in this thread) but I put a ton of graphite on the designated point and got no change in resistance. Any ideas on how I could up the voltage on this board?
i hope this isn't true when i get mine back
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Old Mar 22, 2008, 10:01 PM   #635
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True. That would blow...

Always try a drunken rubdown before RMAing.
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Old Mar 22, 2008, 10:09 PM   #636
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Doesn't this sound like the reason behind the big price drop?

In my best "Soup Nazi" voice: "No free megahurtz for you!"

Guess there is still the hard way...
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Old Mar 22, 2008, 10:38 PM   #637
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ROFL. That's an interesting idea. It very well may be, but have we even seen the price drop really take effect yet? I guess it'll take a while, cuz stores will have to sell what they've already bought at their old price at a premium to still make money, then they can order more for the lower price.
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Old Mar 22, 2008, 11:29 PM   #638
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advanced users may want to use this instead of a Pencil

http://www.altex.com/product_info.ph...oducts_id=6259

Also dont forget the cleaners

http://www.altex.com/product_info.ph...oducts_id=6260

http://www.altex.com/product_info.ph...oducts_id=6293
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Old Mar 22, 2008, 11:32 PM   #639
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Hmm, cool product (I used one for my mobo) but how does one vary the amount of conductivity?

Seems like it would make a 100% bridge, which is not of much use even under extreme cooling. More for replacing/creating traces. Our needs require more finesse, hence the pencil....
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Old Mar 22, 2008, 11:35 PM   #640
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Maybe lay it down and dab it with a cotton swab? Iunno, just an idea.
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Old Mar 22, 2008, 11:46 PM   #641
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Maybe lay it down and dab it with a cotton swab? Iunno, just an idea.
a bad one.. its a direct short.. bad news.. the pencil just decreases resistance slightly..

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Old Mar 23, 2008, 12:18 AM   #642
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Well it seems I am tapped out. I set the pencil to her one more time and got the resistance to 0.998 and put her in. Booted the ATItool cube and saw 1.51V to the core. That is another tenth since yesterday , and all I could produce was a 931 core.

Not sure what to try as temps are ok ...bearly breaking the low 60's.

Any ideas other that more voltage to stabilize this core?
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Old Mar 23, 2008, 12:35 AM   #643
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I have run into an issue similar to this only not at such a low voltage/core speed.

Seems that (with these smaller dies) they are less tolerant to temps the faster they are run.

Have you tried dropping the mem speed back to default or below. The mem seems to be the wild card/hindering factor when OCing these cards.

Have you reapplied any thermal paste? Have you felt the bracket (on the underside) that holds the cooler. If it's getting hot and your temps don't reflect that, you may need to point a large fan at the PCB.
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Old Mar 23, 2008, 12:43 AM   #644
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can we get this mod working on 3850 AGP's?

my sapphire board looks similar from what i can see

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Old Mar 23, 2008, 12:50 AM   #645
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Got a high-res pic of the back of your card?
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Old Mar 23, 2008, 12:52 AM   #646
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Got a high-res pic of the back of your card?
no i dont

but im shure i could find one as its just the standard reference sapphire card
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Old Mar 23, 2008, 12:59 AM   #647
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any help with my card? http://forums.techpowerup.com/showpo...&postcount=641
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Old Mar 23, 2008, 01:18 AM   #648
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I have run into an issue similar to this only not at such a low voltage/core speed.

Seems that (with these smaller dies) they are less tolerant to temps the faster they are run.

Have you tried dropping the mem speed back to default or below. The mem seems to be the wild card/hindering factor when OCing these cards.

Have you reapplied any thermal paste? Have you felt the bracket (on the underside) that holds the cooler. If it's getting hot and your temps don't reflect that, you may need to point a large fan at the PCB.
I did try to default the ram speed and got it to boot over 940 but ATItool crashed it!

Maybe I should try furbench instead?

I did just get done with Crysis for ~an hour @ 900/1350 absolutely no issues!!!
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Old Mar 23, 2008, 01:27 AM   #649
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I did try to default the ram speed and got it to boot over 940 but ATItool crashed it!

Maybe I should try furbench instead?

I did just get done with Crysis for ~an hour @ 900/1350 absolutely no issues!!!
God, those speeds are getting ridiculous. My Diamond runs perfectly even w/o a pencil mod @ 900/1370. I was thinking about the mod since the bios is unlocked to 1ghz but its with my x2 now & they really don't need any OCing.
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Old Mar 23, 2008, 01:32 AM   #650
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God, those speeds are getting ridiculous. My Diamond runs perfectly even w/o a pencil mod @ 900/1370. I was thinking about the mod since the bios is unlocked to 1ghz but its with my x2 now & they really don't need any OCing.
was having issues with game stability in the 850MHz range previously!
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