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Removable Ramsinks?

post #1 of 9
Thread Starter 
Hey guys,
I am looking into perhaps doing a voltmod on my X800XT. The core is watercooled but I dont have anything on my ramsinks. It was recommended (and it sounded more like required) that I put ramsinks on my card. However, one of the nice things about doing this mod is that if the card burns out, I can put the stock cooler back on and send it to Dell (who is never the wiser). Now, I am not in a hurry to fry my card so I want to do it right (and safely) the first time.

However, the main kink in this plan is that I need ramsinks that can possibly be taken off. This means that compound like arctic silver thermal adhesive is out. What about thermal tape? is that even worth putting ramsinks on with?

Once upon a time, I had ramcoolers on my DDR2 that I bought off a site. They had that thermal tape on them, but also had aluminum bars to hold the heatspraeders on (which is why the tape held so tight). When I went to take the tape off when the RAM died, I accidently ripped a few modules off. Enter: superglue. Luckily I never heard back from Dell as I was very careful when GLUING the ram modules back on, but this is somethign I dont want to happen to my GPU.

So will ramsinks work with thermal tape, or is the voltmod idea never going to get off the ground?
    
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post #2 of 9
why would artic silver be out of the question? . . . you should still be able to open the ramsink. its not as strong as an adhesive as the tape.
 
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post #3 of 9
Thread Starter 
Does anyone know of a good way to get arctic silver adhesive to breakdown so that I can get the ramsinks off, if need be?
    
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post #4 of 9
Quote:
Originally Posted by killnine
Does anyone know of a good way to get arctic silver adhesive to breakdown so that I can get the ramsinks off, if need be?
Mix the adhesive with AS5. It'll still stick fast, but you'll be able to pull the ramsinks off with the mix. If you put the adhesive straight on you'll probably never remove the ramsinks.
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post #5 of 9
Thread Starter 
Quote:
Originally Posted by Ste
Mix the adhesive with AS5. It'll still stick fast, but you'll be able to pull the ramsinks off with the mix. If you put the adhesive straight on you'll probably never remove the ramsinks.
yeah, thats kinda what I thought, but thats a great idea though!
    
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post #6 of 9
I remember Tweakmonster coming out with RamSinks that were removeable via a clip.
Here. Scroll down about half way. I will try to find those for sale.
Here is the bracket review.

Sorry, the X800 does not have the same mounting holes, so you cannot use the bracket.
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post #7 of 9
Why would ram sinks be required for your memory? The memory can reach higher stable clock speeds if its cooler, but the fact of the matter is RAM sinks do very little (partially due to the crappy double sided tape that comes with most of them), temperatures stay relatively the same, and extra clock speeds end up being 5-10mhz.

Without good airflow (and also with not so good thermal interface material) the ram sinks can actually make the memory run hotter under the peice of metal.

So with that in mind, theres absolutely no reason why ram sinks would be required for your X800 XT.

As a side note, the particular GDDR3 memory used for the higher end X800/X850 cards is rated for 600mhz, but will usually start overheating around 560-570mhz in normal cases.
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post #8 of 9
Thread Starter 
Alright, I am tring to run it at 540/560 and its relatively stable. I can run that HDR program for a solid hour, but sometimes it may just lock up. I dont know, but I was hoping a light vmod would help out. However, I dont seem to be getting artifacting so I am wondering if its just the core thats starved of voltage.

One lsat thing, does anyone know if the X800 series is typically core starved or memory starved, as in, which overclock would benefit more? I know that cards like the 7900GTX are heavily memory starved, but they are also running at up to 7XX mhz
    
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post #9 of 9
Faster memory will almost always make more of an impact then a faster core, but the card needs both to be fairly balanced (in that the core and memory can keep up with eachother) for the best overall performance.
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