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Sapphire 6970's under water, want to OC

post #1 of 12
Thread Starter 
So I just finished putting both of my 6970's under water. How much should I be able to OC these bad boys?

Waterblocks: XSPC Razors
Pump: MCP355
Rad: Blackice GTX360

My SB2500k will be on the same loop.

I know I should use AB to OC the cards but should I switch the bios switch to# 2 or leave it as 1?

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post #2 of 12
Im able to do 1000/1400 right now under water, same block as you.

Leave it as #1.

I use MSI AB to OC it, loads around 46c now.
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post #3 of 12
Thread Starter 
Quote:
Originally Posted by mastical View Post
Im able to do 1000/1400 right now under water, same block as you.

Leave it as #1.

I use MSI AB to OC it, loads around 46c now.
Under what voltages?

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Sandy
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Intel I5 - 2500k @ 4.5ghz 1.32v Asus Sabertooth P67 Sapphire 6970 CFX (1000/1400) G.Skill Ripjaws X Series 8GBXL (2x4GB) 
Hard DriveHard DriveCoolingOS
Wetern Digital Cav Blck (x2) Crucial M4 SSD Custom Water Cooling Windows 8 Pro 64bit 
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Hard DriveHard DriveCoolingOS
Wetern Digital Cav Blck (x2) Crucial M4 SSD Custom Water Cooling Windows 8 Pro 64bit 
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post #4 of 12
Just used 1.3 haven't tried more or less. When i get more time Ill try and lower it but 1.3 is a good starting point.
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post #5 of 12
Thread Starter 
Quote:
Originally Posted by mastical View Post
Just used 1.3 haven't tried more or less. When i get more time Ill try and lower it but 1.3 is a good starting point.
Ill give that a try thanks, what did u use to stress test the oc?

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Intel I5 - 2500k @ 4.5ghz 1.32v Asus Sabertooth P67 Sapphire 6970 CFX (1000/1400) G.Skill Ripjaws X Series 8GBXL (2x4GB) 
Hard DriveHard DriveCoolingOS
Wetern Digital Cav Blck (x2) Crucial M4 SSD Custom Water Cooling Windows 8 Pro 64bit 
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Hard DriveHard DriveCoolingOS
Wetern Digital Cav Blck (x2) Crucial M4 SSD Custom Water Cooling Windows 8 Pro 64bit 
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post #6 of 12
Furmark and I play Crysis Wars for hours and no issues as of yet.
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post #7 of 12
no less than 1.3 volts if you are under water... because otherwise what's the point, right?

you are in luck though because these cards are very finicky with high temps and high clocks/high volts.
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post #8 of 12
Thread Starter 
Quote:
Originally Posted by homestyle View Post
no less than 1.3 volts if you are under water... because otherwise what's the point, right?

you are in luck though because these cards are very finicky with high temps and high clocks/high volts.
In other words im in for a tough ride with trying to oc these?

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Sandy
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CPUMotherboardGraphicsRAM
Intel I5 - 2500k @ 4.5ghz 1.32v Asus Sabertooth P67 Sapphire 6970 CFX (1000/1400) G.Skill Ripjaws X Series 8GBXL (2x4GB) 
Hard DriveHard DriveCoolingOS
Wetern Digital Cav Blck (x2) Crucial M4 SSD Custom Water Cooling Windows 8 Pro 64bit 
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Sandy
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CPUMotherboardGraphicsRAM
Intel I5 - 2500k @ 4.5ghz 1.32v Asus Sabertooth P67 Sapphire 6970 CFX (1000/1400) G.Skill Ripjaws X Series 8GBXL (2x4GB) 
Hard DriveHard DriveCoolingOS
Wetern Digital Cav Blck (x2) Crucial M4 SSD Custom Water Cooling Windows 8 Pro 64bit 
MonitorKeyboardPowerCase
Acer 24" LCD Logitech G110 Gigabyte GE-MK20A-D1 1200W Corsair Obsidian 800D 
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post #9 of 12
No only with air cooling. I couldn't get mine sable at 960 but with water it's much easier they love cool temps.
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post #10 of 12
Thread Starter 
Hmm sadly im blue screening when I set my 6970's to 1.3v 1000/1400 >_<

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Sandy
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CPUMotherboardGraphicsRAM
Intel I5 - 2500k @ 4.5ghz 1.32v Asus Sabertooth P67 Sapphire 6970 CFX (1000/1400) G.Skill Ripjaws X Series 8GBXL (2x4GB) 
Hard DriveHard DriveCoolingOS
Wetern Digital Cav Blck (x2) Crucial M4 SSD Custom Water Cooling Windows 8 Pro 64bit 
MonitorKeyboardPowerCase
Acer 24" LCD Logitech G110 Gigabyte GE-MK20A-D1 1200W Corsair Obsidian 800D 
MouseMouse Pad
Logitech G600 X Trac Pads Ripper XXL 
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Sandy
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel I5 - 2500k @ 4.5ghz 1.32v Asus Sabertooth P67 Sapphire 6970 CFX (1000/1400) G.Skill Ripjaws X Series 8GBXL (2x4GB) 
Hard DriveHard DriveCoolingOS
Wetern Digital Cav Blck (x2) Crucial M4 SSD Custom Water Cooling Windows 8 Pro 64bit 
MonitorKeyboardPowerCase
Acer 24" LCD Logitech G110 Gigabyte GE-MK20A-D1 1200W Corsair Obsidian 800D 
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Logitech G600 X Trac Pads Ripper XXL 
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