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Bios won't hold my setting once I restart my computer after an OC.

post #1 of 11
Thread Starter 
I have a i2500k CPU and a Gigabyte P67AU D3 B3 Mobo. It is six months old and I had it OC'ed to 4.5 Ghz for the past with no problems. I thought I would try to see if I could go a wee bit higher and tried to change my settings. I can get it to 4.6 Ghz with no problems and it runs stable running Prime 95. However, once I shut down my computer and do a restart, I am back to my factory settings. What I am doing wrong that it won't hold my new settings?
Thanks in advance.
Bob G.
post #2 of 11
you might want to try replacing your CMOS battery and check the jumper cables for the CMOS reset, those may be causing problems.
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post #3 of 11
Thread Starter 
Battery is only 6 months old, of course I have no idea how old it is before I built the system in July of this year. Jumper cables seem fine.
Bob G.
post #4 of 11
Yeah, that was kind of a final thought of mine, your system shouldn't even boot if the battery is bad. I don't know what to tell you. If your motherboard is still within warranty(which it should be if you bought it in July) you might want to consider talking to a CSR to see if you can get a replacement. Before you do that though, my only advice is to clear the CMOS and unplug everything, replug it, and then try it again and see if it saves. When you exit the BIOS, make sure to hit the "save and exit button" and see if that does anything different. If that doesn't work, I can only think to talk to customer service.
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post #5 of 11
reflash your BIOS.
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post #6 of 11
The only purpose for the CMOS battery is to save your setting when the system is not connected to a wall socket. it is the same concept with a car radio wired to the battery to save the clock and channel presets, but when you turn the ignition key to ACC the radio comes on. A bad CMOS battery will only cause a bios reset if the system is also unplugged from the wall.

Anyways, as Sin0822 said, you might want to reflash your bios. but I would first CLR CMOS, load defaults and boot into windows. Then reboot, go back into the bios and reapply your OC settings. See if the settings hold then. If they do not, then reflash the bios.
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post #7 of 11
it WILL boot with a bad / missing CMOS batt.

I'd clear the CMOS and boot. Restart with the OC again. If this still doesn't work, replace the batt ($2). If it works, it's a cheap solution smile.gif
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post #8 of 11
If the battery was dead, and that was an issue, everything in the bios woud reset, including the date. But I do not think this is the issue since I am assuming the OP is not unplugging his PC from the wall when he reboots. I've had a few Gigabyte boards get caught in the "Fail Safe" bios defaults after a failed OC. What tends to happen in this constant "Fail Safe" reboot is that you will see your OCed settings in the bios, but the bios is using the actual defaults to safely allow the board to boot so you could go back in after a failed OC without having to constantly clear the CMOS. The best way to properly recover was to clear the bios, boot into windows once at default, then reboot and reapply the previous stable OC settings in he bios.
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post #9 of 11
Thread Starter 
By clear the CMOS, I assume you mean return the default setting and do a reboot and then try the OC again?
Bob G.
post #10 of 11
It could be the battery. Same thing happened to me and i had to reseat the battery and then my settings saved fine. I removed the battery once for a reset and i guess it didn't reseat back properly.
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