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Overclock help

post #1 of 8
Thread Starter 
Hey,

Basically overclocking my HD 4870 Toxic and when I move the Core Clock up (started at 780), I get to 816 and if I move it higher than than and click apply, it jumps back down to 816. Can I not go higher than this or is something wrong?
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Blue Devil
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post #2 of 8
Your using CCC right?

Sounds like driver issue to me.
    
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post #3 of 8
Thread Starter 
Using afterburner and GPUTool like it says in the guide (sticky above). Im now on 819, although I cant seem to move it any higher once I click apply. All drivers are up to date aswell D:
Blue Devil
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Blue Devil
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post #4 of 8
Your GPU BIOS will limit how far you can go sometimes. Soft OCing can only do so much....
    
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post #5 of 8
Thread Starter 
Ahh, on 819mhz I get an error popping up once every so often. Reduced it to 813mhz and it seems to be alright. Assuming it wouldnt let me past for this reason.
Blue Devil
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Blue Devil
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post #6 of 8
Well the difference between 819mhz and 813mhz would be unnoticeable anyway.
    
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CPUMotherboardGraphicsRAM
Intel Core i5 2500K @ 4.2ghz 1.27v Biostar TZ77XE3 Asus R9 390 STRIX 8GB 16GB DDR3 1600 kingston hyper X 
Hard DriveOptical DriveCoolingOS
Samsung 500GB F1 + WD 1TB + Crucial 120GB SSD Asus DVD-RW SATA ARCTIC FREEZER i32 Push/Pull Corsair AF120 Windows 10 64 Professional 
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post #7 of 8
Thread Starter 
Okay got the core at 805mhz and memory at 1025mhz
Blue Devil
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Samsung SpinPoint 1TB Venom CPU Aftermarket Cooler Windows 7 64-bit 2 x 20" Samsung Monitor 
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ASUS Xonar DS PCI 7.1 Audio Card 
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Blue Devil
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 3570k Asus P8Z77-V LK Motherboard NVIDIA MSI GeForce GTX 560Ti OC Twin FrozR II 2... Kingston 8GB ValueRAM  
Hard DriveCoolingOSMonitor
Samsung SpinPoint 1TB Venom CPU Aftermarket Cooler Windows 7 64-bit 2 x 20" Samsung Monitor 
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Logitech G11 Corsair 620W Antec 900 Gaming Case G5 Gaming Mouse 
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ASUS Xonar DS PCI 7.1 Audio Card 
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post #8 of 8
Cool. Did you do any stress testing for stability?
    
CPUMotherboardGraphicsRAM
Intel Core i5 2500K @ 4.2ghz 1.27v Biostar TZ77XE3 Asus R9 390 STRIX 8GB 16GB DDR3 1600 kingston hyper X 
Hard DriveOptical DriveCoolingOS
Samsung 500GB F1 + WD 1TB + Crucial 120GB SSD Asus DVD-RW SATA ARCTIC FREEZER i32 Push/Pull Corsair AF120 Windows 10 64 Professional 
MonitorKeyboardPowerCase
Crossover Q27 Cougar Attack X3 Antec Truepower 750W AzzA Solano 1000 Full Tower 
MouseMouse PadAudio
Cyber Snipa SILENCER 5000DPI none X-Raider 5.1 PCI, Creative Inspire 5.1 surround  
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
Intel Core i5 2500K @ 4.2ghz 1.27v Biostar TZ77XE3 Asus R9 390 STRIX 8GB 16GB DDR3 1600 kingston hyper X 
Hard DriveOptical DriveCoolingOS
Samsung 500GB F1 + WD 1TB + Crucial 120GB SSD Asus DVD-RW SATA ARCTIC FREEZER i32 Push/Pull Corsair AF120 Windows 10 64 Professional 
MonitorKeyboardPowerCase
Crossover Q27 Cougar Attack X3 Antec Truepower 750W AzzA Solano 1000 Full Tower 
MouseMouse PadAudio
Cyber Snipa SILENCER 5000DPI none X-Raider 5.1 PCI, Creative Inspire 5.1 surround  
  hide details  
Reply
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