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Core i5 750, XMP and overclocking - Page 2

post #11 of 18
Thread Starter 
Crabid, i checked the link you posted here to the template Jak3z made. If i put the CPU ratio to 19 instead of 20, will i be fine then?

also, he mentioned "PCI Frequency" to 100...i can't find this setting in my BIOS, maybe it's a typo?
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post #12 of 18
Quote:
Originally Posted by RaptorZX3 View Post
Crabid, i checked the link you posted here to the template Jak3z made. If i put the CPU ratio to 19 instead of 20, will i be fine then?

also, he mentioned "PCI Frequency" to 100...i can't find this setting in my BIOS, maybe it's a typo?
if you have a p7p55d it should be there, right under BCLK Frequency.
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post #13 of 18
Thread Starter 
PCIE Frequency only appear if i put "AI Overclock Tuner" on Manual (set on X.M.P. for my RAM), and by default PCIE Frequency seem to be set at 100 in Manual.
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post #14 of 18
Quote:
Originally Posted by RaptorZX3 View Post
PCIE Frequency only appear if i put "AI Overclock Tuner" on Manual (set on X.M.P. for my RAM), and by default PCIE Frequency seem to be set at 100 in Manual.
If you looked at the settings i gave in the previous page, you'll notice that it needs to be on manual for a decent oc. Do not use the automatic oc profiles if you want a safe and controlled oc.
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post #15 of 18
Thread Starter 
yes but i don't mind if TurboBoost is disabled. I mainly bought the i5 750 because it's a true quad-core, not a hyperthreaded dual-core.

As i said in another thread, this overclock isn't permanent, it's mainly to play my Wii and Gamecube games in Dolphin without them suddenly slowing down due to too many polygons showing on screen, like Sonic Colors and F-Zero GX. (note: i do OWN the games in question, so it's legal). Dolphin use about 256mb of video RAM and use at most 2 cores on a CPU.
Edited by RaptorZX3 - 2/20/11 at 3:54pm
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post #16 of 18
Quote:
Originally Posted by RaptorZX3 View Post
Crabid, i checked the link you posted here to the template Jak3z made. If i put the CPU ratio to 19 instead of 20, will i be fine then?

also, he mentioned "PCI Frequency" to 100...i can't find this setting in my BIOS, maybe it's a typo?
Odd multipliers tend to be more stable, I don't know if you would really get any issues at low clocks, but if you want to put your overclock up to something like 4GHz, you will probably find you'll get further on less voltage using an odd multiplier than an even one.

Your PCI frequency isn't something you will want to change, 100 is default, but don't worry about it.
    
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post #17 of 18
I do not know what your BIOS options are, but I kept my RAM at 4:2 ratio, which gave me a little over 1500 at 180 BCLK. I would not worry about RAM speed all that much. Set it to lowest or middle and get to a stable overclock. Then mess with the RAM to see what more you can get out. Is XMP profile the one for RAM overclocking? If so, I would suggest to do everything manually. Those software spoon fed overclocking utilities are always very iffy.
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post #18 of 18
Quote:
Originally Posted by Awaz View Post
I do not know what your BIOS options are, but I kept my RAM at 4:2 ratio, which gave me a little over 1500 at 180 BCLK. I would not worry about RAM speed all that much. Set it to lowest or middle and get to a stable overclock. Then mess with the RAM to see what more you can get out. Is XMP profile the one for RAM overclocking? If so, I would suggest to do everything manually. Those software spoon fed overclocking utilities are always very iffy.
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Core i5 750 @4.0Ghz Gigabyte GA-P55-US3L GTS450 Corsair XMS3 4gb @1.64v 
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CPUMotherboardGraphicsRAM
Core i5 750 @4.0Ghz Gigabyte GA-P55-US3L GTS450 Corsair XMS3 4gb @1.64v 
Hard DriveOSMonitorPower
4x WD 500Gb + 1.5Tb Seagate Win7 Ultimate x64 Samsung Syncmaster 2243 NW / HP L1925 Corsair TX850v2 
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Antec 900 
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