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12-13-04, 01:34 PM #1
Take the heatspreaders off your cores!
Hey, last night I removed the heatspreader from the core of my 5900XT. Today when I got home from school I installed the card and all I can say is wow. I can play artifact free with the core at 500Mhz up from 450Mhz stable. I also took the ramsinks off my memory and they don't artifact on the desktop or in games at 1Ghz. In games it was 950Mhz before and on the desktop it was 925Mhz. Do this, it is good for a quick boost!I DRIVE A HYUNDAI AND I'M PROUD OF IT!
12-13-04, 07:34 PM #2
12-13-04, 08:13 PM #3
A razor blade. I just pressed in firmly on all corners and pressed it into the sides untill I could pull it off.I DRIVE A HYUNDAI AND I'M PROUD OF IT!
12-14-04, 02:49 AM #4
What does the core look like? Does the HSF rest back on it ok or can you tell if it's fragile like a P4's core?
12-14-04, 12:12 PM #5
- Join Date
- Oct 2004
- Bay Area, CA
Wow...I'd never have the balls to do that on purpose. Seen it done to a P4 and it rendered it useless. Seen it inadvertantly done to a P4 (phase change cooling led to the change in expansion rates causing it to eventually pop off) render the cpu dead as well. While direct core contact is great, a good copper heatspreader likely improves the chip's ability to dissipate heat more effectively, as it provides a larger thermally conductive contact patch with the heatsink. It's also nice not to have to worry about cracking the core, or any interfernce/grounding problems with your cooling solution.[un]Productivity System:
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12-14-04, 06:09 PM #6
The core seems tough. I put a lot of pressure onto it at not exactly straight with my Zalman heatpipe sink and it worked after I got it settled straight. The core looks tough. It is at a 45 degree angle and is a square. The heatspreaders are just crappy aluminum with a crappy TIM that seems more like rubber than thermal paste. It was really easy to do. These nvidia cards are tough.I DRIVE A HYUNDAI AND I'M PROUD OF IT!
12-16-04, 10:36 AM #7
did you use rubbing alchohol/qtips to clean the tim like i ususally do?
got any pix?
EDIT: i guess i'm assuming you changed out the paste... is that right as well?Current Rig: CPU: Phenom II X4 965BE, 3.4GHz RAM: OCZ 2x2Gb DDR3-1600 GPU: Sapphire Radeon HD 5770, 1Gb HDD: (1)Raptor 74Gb, (2)Seagate 250Gb, (1)WD Green 1.5Tb PSU: ENERMAX ELT620AWT-ECO, 620W MBD: Gigabyte GA-MA785GT-UD3H CASE: Antec P180
Previous Rig: CPU: Manchester A64 X2 3800+ w/ stock cooling RAM: 2x1Gb of generic DDR400 GPU: XFX 6800GS (AGP) PSU: Antec True380 PSU MBD: AsRock Dual939 SATA2 mobo (AGP+PCIe)
12-17-04, 08:37 PM #8
12-25-04, 05:35 PM #9
I vouch for taking off the heatspreader off your core. Just make sure your HSF still fits once you take it off.
MAKE SURE NOT TO BEND THE SIDES OR CORNERS! Just incase you need to put the heatspreader back on.
12-25-04, 11:35 PM #10
if you were to do that to a X800/6800 it would hit 100degrees and quite literaly blow up in your face.did you know that?(just joking ...not joking about temperature however
and no i did not do anything to my card).prescotts?dont even think about it.xfx gtx260 @ 700/1500/1150, core 2 extreme qx9650, 2x1gb crucial ballistix pc2 6400, gigabyte p35-ds3p, 74gb raptor, 750w thermaltake toughpower, 22in lcd and razer deathadder+exactmat.
12-27-04, 01:13 PM #11
Prescotts and P4's in general... this thread wouldn't apply to. P4's cores are extremely fragile. However carefully removing the spreader then applying some AS5 undernieth would probably benefit temps a little.
As for the FX line of cards, It's definitely worth it.
12-27-04, 01:37 PM #12Originally Posted by RAMMAN
Some newer P4's have thermal epoxy under the sperader, so if you try to pop them off, your core goes with it...
MONOLITH - Xeon W3540 (testing) - Rampage 2 Extreme - 12 GB G.Skill Ripjaws 1600 - GTX 570 - 120 GB OCZ Vertex - Antec TruePower New 750W - Corsair 700D - Apogee XT - XSPC 360
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MacBook Pro - i7 2.66 - 4 GB - GT 330M - OSX 10.6.4
Opty 148 3504mhz
12-27-04, 01:51 PM #13
12-27-04, 03:55 PM #14
agree... and pictures of this video card surgery being performed...
i'd end up slipping and knocking a transistor or some such off...
12-27-04, 05:31 PM #15
This is a picture with as5 on the core. Tha black stuff is hard as a rock. You can't get it off, you can only cut through it when you take the heatspreader off.
I DRIVE A HYUNDAI AND I'M PROUD OF IT!
12-27-04, 06:30 PM #16
Aphex_Tom_9 are you trying to tell me the front of the cards has nothing but a small fan?! no wonder they run at 70 degrees load without any mods!!!xfx gtx260 @ 700/1500/1150, core 2 extreme qx9650, 2x1gb crucial ballistix pc2 6400, gigabyte p35-ds3p, 74gb raptor, 750w thermaltake toughpower, 22in lcd and razer deathadder+exactmat.
12-27-04, 06:46 PM #17
In theory, taking heat spreaders off will reduce the temperatures because there is one less gap between core and cooling element. Think of it this way:
WITH HEAT SPREADER
core>tim>heat spreader>tim>cooling element
We all know that the best heat transfer happens with thermal paste ONLY in the microscopic gaps and not completly pasted on the core. Thermal paste can also contain air if not applied properly and air sucks for transfering heat. If you remove a possible place for air to get in, you run a greater chance of lower temperatures.
If anyone can verify if the 9800p has a spreader, I'll cut mine. I don't think it does as the core is rather small and it has a shim around it but I don't want to take my wc system apart just to check.Intel 630
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Some people don't deserve to have anything electronic other than a TV, and maybe a toaster, becuase they may hurt themselves and possibly someone else.
12-27-04, 07:10 PM #18
12-27-04, 07:59 PM #19
Sorry, but the video card in question died of accidental lethal votage increase, or ALVI, as I like to call it. I was measuring 2d voltages when I increased it. I forgot that in 3d the voltage increases. It ran fine for a while in 3dmark 05 at 596Mhz core, not even done overclocking it, but before it could finish the comp restarted and the video was corrupted greatly. When I get a new leadtek 5900XT, I will remove the spreader and take screenshots of the temps. It should arrive here any day now.I DRIVE A HYUNDAI AND I'M PROUD OF IT!
12-27-04, 09:50 PM #20
- Join Date
- Sep 2004
- New Orleans, LA
9800's do not have a heatspreader. ATi seems to favor leaving their cores bear at the moment.