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Totally lost with overclocking Opteron 165...

post #1 of 8
Thread Starter 
Hi,

Let me start by saying the last time I overclocked a processor was back when it required using jumpers on a motherboard to do it. Now with all this HTT and VDD or whatever using BIOS to overclock, I am totally lost. I've read through the guides and have seen the speed people are able to crank out of these chips, but I, for the life of me, cannot figure out what is what in the BIOS. I have the ASUS A8R MVP motherboard.

Also, I've never even touched RAM timings or anything, so that is completely new to me as well. I've read through the overclocking guide, but it really didn't help me too much. Maybe it's because I just woke up. Heh. Anyways, any help would be greatly appreciated.
post #2 of 8
Heya there, welcome. Go to user CP and put your specs in so we can see what you are working with. Heres the simple way to do it to get a hold of it all. Your bios will have the options to adjust the FSB, HTT, HT Frequency and the RAM timings and dividers for your ram. Go into your bios and look around and see if you can locate those. When you do fisr lower your HT frequency, which usually is on x5 or start up, to x4 because you dont want the HT to go over 1000. Next find the setting for the FSB which will be at default 200 and bump it up 5-10 to say 210. Then find the area to mess with your ram and put it on a 166/333 divider so you wont have to worry bout ocing the ram for now since everytime you bump theFSB the ram goes up too. The option will usually show you ram in a couple way like 1:1, or 200/400 or 5:5 something like that . The divider just clocks the ram down so once you get to 250 FSB you ram is back to 200mhz or so. Give it a try and reboot, rinse repeat by raising the FSB. If you have any luck come back and tell us how it went. When it doesnt boot to windows just reboot and lower the FSB and well go from there. Hopefully getting aquanited with your bios will help tons. GL to ya
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The Move
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250 GB WD x2 Raid 0 ASUS DVD/R Corsair H50 Windows 7 Ultimate x64 
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post #3 of 8
Thread Starter 
Alright, I went in and messed with the CPU Frequency, which according to the manual is the FSB and set it to 215 so the CPU is now running a 1.94ghz according to CPU-Z. Now I have options for FID/VID and putting those on manual, which are:

Processor Frequencu Multiplier
-and-
Processor Voltage


Are these things I should change too? Also found an option for HT Link Speed which is setable in 200mhz incriments up to 1ghz. I could not find anything for HT Frequency to set it to x4 like you mentioned. Sorry I am asking so many questions, I just don't want to break anything.
post #4 of 8
Nah dun owrry bout it thats why we have these forums. What are your options to adjust the FID, or frequency multi? Im assuming this will be the same option in BIOS as mine saying the HT frequency. Since you said that the HT link speed says it will let you adjust it in increments of 200 up to 1000 then its gonna be the HT frequency because you never want that over 1000, adjust it to 800. You wont need to mess with the voltage until the system wont boot into windows. Upping the voltage will create a little more heat but provide stability. Look in your bios too for a RAM divider (might have a diff rent name but just adjusts the speeds) Post back and questions and as the duke always says stress test it overnight when you feel you are to a stable speed and see if it really is. For this use SP2004 and/or OCCT. GL :0
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Son's Rig
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CPUMotherboardGraphicsRAM
i5 750  Gigabyte P55 UD4P rev 1.0 HIS 6850 / SLI GTX 460 Corsair Vengeance DDR3 (2x4gb) 1600mhz  
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250 GB WD x2 Raid 0 ASUS DVD/R Corsair H50 Windows 7 Ultimate x64 
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The Move
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Son's Rig
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CPUMotherboardGraphicsRAM
i5 750  Gigabyte P55 UD4P rev 1.0 HIS 6850 / SLI GTX 460 Corsair Vengeance DDR3 (2x4gb) 1600mhz  
Hard DriveOptical DriveCoolingOS
250 GB WD x2 Raid 0 ASUS DVD/R Corsair H50 Windows 7 Ultimate x64 
MonitorKeyboardPowerCase
LG 22' LCD Logitech MK260 CM Silent Pro M600w Lian Li PC 60Plus II 
Mouse
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CPUMotherboardGraphicsRAM
Athlon 7750 BE @ 3.2 Asus M3N72-D 9600 GSO G94 512 2x2 PNY XLR8 DDR2 
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post #5 of 8
ok in your bios there will be something called peg link mode. and disable anything that says peg link and everyhting in that section of your bios. and the things that dont let you disable peg link but say "auto" or "faster" select "auto". now since that is done you could do what did: set the ram at 133/200 or it will say 266/400. then set your fsb to 250 and loosen your ram to 3-4-4-8-2t to make it stable. maybe bump your cpu voltage to 1.4 or 1.45 to make sure your cpu is stable once again. put your htt at 3x instead of 5 or 4 or whatever you had it at.

edit: and then try and boot and if it doesnt boot then go into the bios (if it will let you, if it doesnt then clear your cmos, it says how to in teh manual) and reset everything and get help from someone else, but my asus workd great at settings similar to those
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post #6 of 8
Thread Starter 
Well I've gotten the processor to 2.26ghz and I ran sp2004 all night without any problems. First thing I did was go back into bios to check CPU temp after letting that run all night and it was still at 45C.
post #7 of 8
make sure you're running dual sp2004. Do this by installing twice in two different folders. Select affinity, and uncheck the "no affinity" box.
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post #8 of 8
you should be able to get around 2.4 without touching the voltage....or the VDD...make sure you are using a divider on the memory...
Use this little overclocking calculator to help you understand what different settings do..
It will take a couple weeks of overclocking and reading guides before you really understand overclocking..

Cool calculator
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