You can leave this auto for light OCing, but i'd suggest setting it manually mainly for one reason. Now under Processor Voltage, you have CPU vcore.īe very careful here this can damage your CPU if not properly set. Overclock in bios or alienware software series#The multi can be lowered, but not raised unless you have an FX series CPU. Processor Frequency Multiplier is your CPU multi. Leave it at auto or set to manufacturer's suggested setting. Under DDR Vcore you can adjust the voltage for the RAM. Don't do anything crazy like jump to 240 till you know what the CPU is capable of. I'd recommend very slowly increasing this, & saving bios settings, restarting into Windows, testing for stability, & repeating.Ģ00 to 205 then to 210, or even smaller increments, etc. Now in the CPU FSB Frequency spot, you can key in whatever HTT speed you'd like. There, RAM divider & timings are now set. Leave all the other RAM settings at auto unless you really know what you are doing Usually the numbers are like the following: You can leave everything at auto, but since often motherboard's auto settings have the RAM set to undesirable timings, you can go ahead and manually set the CAS TRCD TRP TRAS to what your RAM is rated for as long as you know those timings. I'd select 166 or 183 for light OCing you can tweak around with your RAM more later.Īlso, under the Memory Configuration area, you can adjust your timings for your RAM by setting MCT Timing Mode to Manual. Now select Memclock Mode > Memclock Value, which will bring up the RAM divider choices. Then click on Memory Setting & it will lead you to In that case, set it to 2T if it's not already. Make sure the 1T/2T Memory Timing is set to 1T, unless you have all four RAM slots populated. Now go to CPU Configuration, which oddly enough, has no settings to do with the CPU Then change SB to NB Frequency to 4x, or if you are raising the HTT above 250, then 3x. Now the good news is, if that's too confusing, you can actually skip straight ahead to the actual OCing, since this guide will lay out the basics in a simple fashionĮverything you'll need to change is in the advanced menu. OCed CPU clockspeed / result of the first calculation = actual RAM speedġ2 x 200 / 166.66 = 14.4 rounded up -> 15 166) = _(always round this up if not whole number)ĬPU multi x HTT / result of initial calculation = actual RAM speed In many cases, this is a much more complicated number to calculate, but here's the formula anyway: Very minimal, & the resulting increased CPU speed is still much faster overall. On A64 (or Opteron) systems, the performance hit with running the RAM slower is Therefore, one can use dividers, meaning the RAM will run at a lower speed than the HTT. However, when OCing, raising the RAM above it's normal operating frequency only works to a certain point. Normally it runs at the same speed as the HTT, so usually 200 MHz (DDR400). Running the HT speed much higher than 1000 will often cause instability. It is generally recommended to keep the HT speed around or under 1000, since performance is not decreased if it's lowered, & it will remain stable. So normally that's 5 x 200 = 1000 MHz, or 2000 MHz (doubled pumped) HT (Hyper Transport) speed (akin to system bus speed) is determined by HT multi x HTT Aight, here's my mini Asus A8N32-SLI Deluxe OCing guideĬPU speed is determined by multiplier & HTT (Hyper Transport Tunnel - akin to FSB)
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