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Help with AMD overdrive? Freeze issues
Hey, new to the forums here (be gentle!).
I've had this AMD Sapphire Radeon HD 4650 1Gb DDR2 for a while, and just recently found out about the AMD overdrive feature.
It was locked, so i decided i would unlock the settings and figure it out for myself. I check it out, and click on the "auto tune" button. About 3 minutes into it, i get a white screen, and it freezes up until after 25 minutes (I let it sit) i decided to restart my computer. After that, it would consistently freeze up anywhere between 30 seconds and 5 minutes after I got to the main desktop screen.
However, when I unchecked the box that said "enable AMD overdrive" the auto tune worked perfectly; It went through all the settings, and the card stayed at a steady 48-55 degrees celcius. The final values were a 715 core clock, and a 545 memory clock (max values are at 800-550, respectively). It initially starts the test out at 300-400 respectively, and without overdrive on, the card stands at 600MHz core-400MHz memory.
EDIT: The Core clocking switches between 600 and 165 MHz. If that matters.
So I guess what I'm asking is, what's causing the freezing, and what can I do about it? During one of the computer seizures, i had the chance to open up task manager, and it clocked my CPU usage at 100%.
What's weird, is that when it's not enabled, the auto tune runs it up almost all the way with no problems. It's when the box is checked, however, that it doesn't last 30 seconds.
EDIT2: Just updated my Bios from 1.9 to I believe 1.11..I'll run the app again and see if the update did anything.
EDIT3: Alright, decided to start from the bottom and go up. Got my core to 670MHz, and my Memory to 515MHz, with the box checked, and no freezing/white/black screens.
^^Anyway I can increase that number? It's wierd that when the box is unchecked it goes much higher. Anyways there's no more freezing/white screens so I'm good on that front.
Sorry to bother anyone with this, if you want to delete this thread go for it; However it could be useful for anyone who needs help with their computer, and when searching (i.e. google) they could stumble on this.
Last edited by Reciever80; 20 Apr 2011 at 23:45.