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HD 5750 Club - Page 35

post #341 of 994
Ok I've Done some Benchmark at 1080MHz Core - 1400 Ram

Unigine 1280x720 No AA DX11 Normal Tesselation




and the 3DMark Vantage Basic..Default-1280x1024

post #342 of 994
My cards arrive tomorrow, assuming everything is as it should be they are these 5750s - http://www.newegg.com/Product/Produc...82E16814131354

My plan is to install some scythe heatsinks on the back memory chips as well as some of the bits on the front, here are my target zones and my material:

Where else should I put the sinks? I'll have some left over even after loading up both cards.
LL
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post #343 of 994
I tested the clocks again, 950/1200MHz, and it can't handle Heaven 2.0 and crashes after few seconds after start of benchmark, so the previous test i ran, was run at 900/1200MHz:
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post #344 of 994
Quote:
Originally Posted by staryoshi View Post
My cards arrive tomorrow, assuming everything is as it should be they are these 5750s - http://www.newegg.com/Product/Produc...82E16814131354

My plan is to install some scythe heatsinks on the back memory chips as well as some of the bits on the front, here are my target zones and my material:

Where else should I put the sinks? I'll have some left over even after loading up both cards.

Yes it's OK, place the heat sinks on all the chip you have marked with yellow. The Heat sinks on the VRM's MOSFET is needed only when you overvolt the GPU.
However it's not a bad idea to place Heat sink on VRM even at default voltage.





Quote:
Originally Posted by Davidsen View Post
I tested the clocks again, 950/1200MHz, and it can't handle Heaven 2.0 and crashes after few seconds after start of benchmark, so the previous test i ran, was run at 900/1200MHz:

Simply you need to do the Hardmod and increase the GPU Voltage to handle 950MHz
My Sapphire at default voltage is Stable at no more than 900MHz
post #345 of 994
I would hardmod it, but i still need a multimeter which i won't get possibly until next month. And which hardmod is better/more efficient, pencil mod or the soldering one?
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Phenom II X2 550 - [3.1GHz] Asus M4A78LT-M Sapphire Radeon HD 7850 @stock Kingston HyperX 2x2GB 
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Phenom II X2 550 - [3.1GHz] Asus M4A78LT-M Sapphire Radeon HD 7850 @stock Kingston HyperX 2x2GB 
Hard DriveCoolingOSKeyboard
1x 1TB HDD & 2x 100GB SSDs RAID0 Scythe Katana 4 Win 7 64bit Logitech K200 
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post #346 of 994
Quote:
Originally Posted by Davidsen View Post
I would hardmod it, but i still need a multimeter which i won't get possibly until next month. And which hardmod is better/more efficient, pencil mod or the soldering one?
The best Hardmod is the soldering mod (with 100K trimmer) For Sure.
With this mod you can adjust very well the GPU voltage but also permanently avoid warranty.

To reach 1075MHz stable on Core, Solder hardmod, Cap-mod, and Heatsink on VRM is Required.
post #347 of 994
Of any mods I'm considering a pencil mod because of its ease of implementation and the ability to erase it I figure with heatsinks and some additional voltage I can push the memory chips too

I'll need to read up on it some... They could have just used a different IC, but nooooo
    
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post #348 of 994
I might have to use the pencil mod, since i have no idea where to get the 'soldering method' equipment.
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CPUMotherboardGraphicsRAM
Phenom II X2 550 - [3.1GHz] Asus M4A78LT-M Sapphire Radeon HD 7850 @stock Kingston HyperX 2x2GB 
Hard DriveCoolingOSKeyboard
1x 1TB HDD & 2x 100GB SSDs RAID0 Scythe Katana 4 Win 7 64bit Logitech K200 
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Corsair TX850W Chieftec Design TT Theron 
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post #349 of 994
Quote:
Originally Posted by staryoshi View Post
Of any mods I'm considering a pencil mod because of its ease of implementation and the ability to erase it I figure with heatsinks and some additional voltage I can push the memory chips too

I'll need to read up on it some... They could have just used a different IC, but nooooo
I measure the voltage of the RAM's on my Sapphire 5750 and discover that is already Overvolted by factory by 0,1 Volt.
Hynix Chip spec's is 1,5 Volt and I have measured my card has 1,6 Volt on RAM. So the RAM is already overvolted by default.

I want do the RAM's hardmod also to try do DOWNVOLT this voltage to the spec's voltage, 1,5v, and see what happen.
This RAM become hot like hell without Heat sink, can reach a temp. of 90°.
Why Sapphire has overvolt the RAM by default?
Edited by Matthew_81 - 4/14/10 at 6:14am
post #350 of 994
Quote:
Originally Posted by Matthew_81 View Post
I measure the voltage of the RAM's on my Sapphire 5750 and discover that is already Overvolted by factory by 0,1 Volt.
Hynix Chip spec's is 1,5 Volt and I have measured my card has 1,6 Volt on RAM. So the RAM is already overvolted by default.

I want do the RAM's hardmod also to try do DOWNVOLT this voltage to the spec's voltage, 1,5v, and see what happen.
This RAM become hot like hell without Heat sink, can reach a temp. of 90°.
Why Sapphire has overvolt the RAM by default?

That's interesting. Maybe the non-reference card requires more power because of the circuitry? And if not, maybe it makes overclocking the memory easier?
    
CPUGraphicsRAMHard Drive
Intel Core i7 6700HQ nVidia GTX 965m 16GB DDR4-2133 120GB M.2.SSD 
Hard DriveOSMonitorKeyboard
480GB Crucial M500 Windows 10 Pro Dell Ultrasharp u2713hm Corsair Vengeance K70 
MouseAudio
Logitech G600 Creative T20 
  hide details  
Reply
    
CPUGraphicsRAMHard Drive
Intel Core i7 6700HQ nVidia GTX 965m 16GB DDR4-2133 120GB M.2.SSD 
Hard DriveOSMonitorKeyboard
480GB Crucial M500 Windows 10 Pro Dell Ultrasharp u2713hm Corsair Vengeance K70 
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