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Old 14-04-10, 05:42 PM
BbBoS BbBoS is offline
Join Date: Jan 2010
Posts: 77
MSI Afterburner

Hi all

On MSI Afterburner, I can't overclock my 4870 over 800Mhz Core because I can't adjust the voltage on it. I have selected for voltage to be unlocked / for me to control but it still won't let me change it. Anyone have any suggestions on how I can unlock it?
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Old 15-04-10, 10:18 AM
Dublin_Gunner Dublin_Gunner is offline
Join Date: Feb 2007
Location: Dublin, Ireland
Posts: 47
It could be your particular HD4800. They are not all created equally, and have different voltage regulators depending on model / brand.

Best way to check would be to use a BIOS editor like RBE, and check a dump of your bios (dump using GPU-Z)
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