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View Full Version : My 7900GT CO Superclocked <3 My VF900


SLippe
06-02-06, 08:55 PM
Okay, just finished installing my new VF900 onto my eVGA 7900GT CO Superclocked card, which has the 1.55v vmod applied to it. Prior to installation, on stock cooling my card idled @ 56' C with the fan @ 100% via Rivatuner. Now, with the Zalman VF900 and eight copper memory heatsinks from Thermaltake, my card (still with the 1.55v vmod) idles at 44' C. Both temps are @ clock speeds of 650/850. I plugged the Zalman fan straight to the motherboard, so I'm not using the Fanmate that came with it. I am very pleased with this product, or should I say products. Thanks Zalman and Thermaltake! :thumbsup:

http://img81.imageshack.us/img81/9193/7900gtvf900idletemp6hc.th.jpg (http://img81.imageshack.us/my.php?image=7900gtvf900idletemp6hc.jpg)

Rytr
06-02-06, 09:25 PM
Nice results!!!
I don't like volt modding although I have done more than my share in the past but your results are impressive.

SLippe
06-04-06, 12:00 AM
UPDATE: Actually, it's been idling @ about 42' C during the night. So, overall, it's made a 14' difference.

Pictures... (56k Warning)

http://img109.imageshack.us/img109/6528/7900gtttramsinks5fi.th.jpg (http://img109.imageshack.us/my.php?image=7900gtttramsinks5fi.jpg) http://img109.imageshack.us/img109/6351/7900gtvf900ttramsinks034xr.th.jpg (http://img109.imageshack.us/my.php?image=7900gtvf900ttramsinks034xr.jpg) http://img109.imageshack.us/img109/8453/7900gtvf900ttramsinks013hd.th.jpg (http://img109.imageshack.us/my.php?image=7900gtvf900ttramsinks013hd.jpg) http://img487.imageshack.us/img487/4720/7900gtvf900ttramsinks024vo.th.jpg (http://img487.imageshack.us/my.php?image=7900gtvf900ttramsinks024vo.jpg) http://img487.imageshack.us/img487/5238/7900gtvf900case010ei.th.jpg (http://img487.imageshack.us/my.php?image=7900gtvf900case010ei.jpg) http://img109.imageshack.us/img109/4266/7900gtvf900case020lj.th.jpg (http://img109.imageshack.us/my.php?image=7900gtvf900case020lj.jpg) http://img487.imageshack.us/img487/7533/7900gtvf900case038dc.th.jpg (http://img487.imageshack.us/my.php?image=7900gtvf900case038dc.jpg)

bkswaney
06-04-06, 12:35 AM
The VF900 is a kickass cooler. I have one on my 6800ultra.
Even with the ultra running 450 core 1200 memory it idles
around 52. That's low for hotass 6800Ultra. "lol"

The VF900 should serve u well on that cool running 7900. :)

SLippe
06-04-06, 02:47 AM
The VF900 is a kickass cooler. I have one on my 6800ultra.
Even with the ultra running 450 core 1200 memory it idles
around 52. That's low for hotass 6800Ultra. "lol"

The VF900 should serve u well on that cool running 7900. :)
Yeah, I'm very pleased with it. Exceeded my expectations by far! It seems my card under load is only reaching 62' C. That is only 6' above what it idled at with stock cooling! I love this thing! (nana2)

PeterJensen
06-04-06, 06:09 AM
Why do you place your soundcard right up the gfx card? You are preventing it from getting air.

SLippe
06-04-06, 02:57 PM
Why do you place your soundcard right up the gfx card? You are preventing it from getting air.
Actually, I noticed that after I posted the pics on here. I've since moved it to the bottom slot. I originally had it in the top slot because I was going to get the Thermaltake Tide Water cooling system for my GPU and it would need those bottom two slots. But, since I got the VF900, I've since moved it. I've also closed the top two open slots on the back of the computer to force air underneath the card. None of this has made any difference, that I can tell anyways, in temperature.

http://img386.imageshack.us/img386/8817/7900gtvf900case047fv.th.jpg (http://img386.imageshack.us/my.php?image=7900gtvf900case047fv.jpg) http://img386.imageshack.us/img386/5563/7900gtvf900case057va.th.jpg (http://img386.imageshack.us/my.php?image=7900gtvf900case057va.jpg)

Greasy
06-04-06, 07:16 PM
Guess I'll be getting two of these. Was playing HL2 Ep 1 tonight and the alarm went off because my cards were at 82C.

SLippe
06-04-06, 08:14 PM
Guess I'll be getting some two of these. Was playing HL2 Ep 1 tonight and the alarm went off because my cards were at 82C.
Ouch! I saw my card hit 92' C during use of the ATITool once. You will love the VF900!!

axelangel
06-04-06, 09:17 PM
@slippe
what nvidia drivers version your using?
thnks

SLippe
06-05-06, 08:42 AM
@slippe
what nvidia drivers version your using?
thnks
Check Sig. :D

MaXThReAT
06-05-06, 10:05 AM
I must agree. I installed mine about three weeks ago and it's doing a great job. I also lost about 15c. One question, when I was installing and tightening down the little nipple things I noticed I was going to far. They did not clamp down. It holds just fine with the springs but was yours the same? Did they tighten down all the way? If I would have kept going my card would have started to bend. I used the copper ram sinks from OCZ and mem stays nice and cool. Since the card has been great so far, I'm going to Vmod up to 1.4. One other quick Q. When I detect optimal freq I get 551/1600 after the Vmod should I expect the NV panel to detect higher? It should,...right? Did yours with 1.55v? I just thought I would have got higher than 551 unless the vlotage limit is that tight under stock voltage. Do you see what I'm saying?

SLippe
06-05-06, 06:58 PM
I must agree. I installed mine about three weeks ago and it's doing a great job. I also lost about 15c. One question, when I was installing and tightening down the little nipple things I noticed I was going to far. They did not clamp down. It holds just fine with the springs but was yours the same? Did they tighten down all the way? If I would have kept going my card would have started to bend. I used the copper ram sinks from OCZ and mem stays nice and cool. Since the card has been great so far, I'm going to Vmod up to 1.4. One other quick Q. When I detect optimal freq I get 551/1600 after the Vmod should I expect the NV panel to detect higher? It should,...right? Did yours with 1.55v? I just thought I would have got higher than 551 unless the vlotage limit is that tight under stock voltage. Do you see what I'm saying?
I got all four fasteners down, but not real tight. I just made them look even. The little black washers are not even squished. I was afraid to tighten it too much, I didn't want to crack the die. I was going to order the OCZ heatsinks, but they were Open Package Only on Newegg.com and I heard the TT heatsinks actually stuck better. Your Optimal Frequencies may go up a bit, but you'll notice the difference when you manually set it. I am at my absolute max right now at 690/850 and I have the 1.55v vmod. I haven't, and won't, done the memory vmod, as I'm afraid I'll burn up that little chip on the back of the card. I put the Blue Zalman heatsinks on my card on various chips, just to be safe, but I didn't really have to do that. If you are going to do the Memory VMod, then make sure you have some kind of heatsink on the one chip in the corner. You should be able to do 650/850 after your vmod. Keep me posted.

snowmanwithahat
06-05-06, 09:25 PM
The VF900 is a kickass cooler. I have one on my 6800ultra.
Even with the ultra running 450 core 1200 memory it idles
around 52. That's low for hotass 6800Ultra. "lol"

The VF900 should serve u well on that cool running 7900. :)

same, i have the 6800 GT overclocked to 400/1100 and it's around 66 max load..... but that's the vf-700

egyteam
06-05-06, 09:36 PM
SLippe: from where I can get your theme ?

SLippe
06-06-06, 08:24 AM
SLippe: from where I can get your theme ?
Here; http://tech.cybernetnews.com/2006/05/20/how-to-make-your-xp-machine-look-like-vista-for-free/

The link is just under where it has the word Update in red. It's called the Vista Transformation Pack. Here is a Thread on it...

http://www.nvnews.net/vbulletin/showthread.php?t=70758

MaXThReAT
06-06-06, 02:29 PM
I'll be doing the 1.4 vmod this week. I will keep you posted on what happens. I have some left over Zalman memory sinks, I've been thinking of sticking em on the back of the card. Do you have a pic of the chip that blows out? or where you put yours. I was thinking I'll just put them everywhere and anywhere I can fit them. I have 16 of the blue sinks that come with the Zalmans.

SLippe
06-07-06, 08:52 AM
I'll be doing the 1.4 vmod this week. I will keep you posted on what happens. I have some left over Zalman memory sinks, I've been thinking of sticking em on the back of the card. Do you have a pic of the chip that blows out? or where you put yours. I was thinking I'll just put them everywhere and anywhere I can fit them. I have 16 of the blue sinks that come with the Zalmans.
Looking at your video card while installed, this Chip is on the back right corner, closest to the mobo and the front of your case. You really only need to worry about this if you do the memory vmod as well. I have NOT and WILL NOT do this. I only did the regular vmod. Here's the pic;

http://img119.imageshack.us/img119/1281/damaged2ic.jpg

I'll post of a pic of my card with the 8 blue Zalman heatsinks on it. The first one I'd stick on would be on that chip above^.