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[KoG]^wEaZel
New Member
i would like to make a step by step tutorial on overclocking. never use software to overclock. always do it from the bios.
1. first and foremost, make sure you have sufficient cooling. this is a must. good cpu, northbridge, ram, case, video, and even southbridge may be required
2. make sure all of your components can handle the stress of overclocking. pc3200 is a must for any platform. a good name brand psu of 400watts+ is recommended also.
3. now for overclocking . . .lock your agp/pci buses to 66/33mhz respectively. this is the first actual step for overclocking. the agp and pci run in a 2:1 ratio - if you can't find where to set the pci bus speed, just set the agp to 66mhz and the pci will set to 33mhz.
4. give your ram at least 2.8v so that it will be able to handle higher speeds. raising the fsb will also raise the speed that the ram runs at. it is a good idea to relax your memory timings so that it will be able to run with greater stability. timings of 3-4-4-8 are advised.
5. you may now raise your fsb in 5-10 mhz increments. after each increase, run a benchmark or stress test to test for stability. if the system is unstable, up the vcore .025-.05v or until stability is gained back. note that raising the voltage will result in more heat. watch your temps.
6. always monitor your temperatures, making sure they do not exceed recommended limits. i like to use this rule = p4's keep under 47c and amd's keep under 55c. although different series of these processors like to run at different temps, they are good estimates. these temps will ensure the processor's longevity.
7. if it appears that you hit a wall, (no matter what vcore you use, the system will not be stable) you should now use a divider. a divider allows the fsb and the memory to run at different speeds. (i.e. - a 5:4 divider will make the fsb run at 250mhz while the memory runs at 200mhz) this will give you more headroom so that you may max out the processor.
8. if the system does not post or fails to boot correctly, you will need to clear the cmos. this can be done 3 ways: by using a jumper and moving it from pins 1-2 to 2-3 and then back to pins 1-2 (see bios manual for more detailed instructiuons). you can also take out the motherboard's battery and unplug the power supply unit. leave these out for about 5min to fully clear the cmos. lastlly, some motherboards support holding the 'insert' key during the boot sequence. this will allow you to enter the bios during a no post to change the settings.
9. the fsb is not the only way to overclock a processor. some processors (namely amd processors) are unlocked - they will allow you to change the multiplier. it would be better to run a processor at 10*216mhz fsb than to run it at 13*166mhz fsb. they result in the same overall speed, however, with the raised fsb, your ram, cpu, and agp will communicate faster with one another.
10. remember that every component has a limit. each individual processor and memory stick has their own limit. some people get lucky and can acheive a higher overclock than others. don't be dissapointed if you hit a ceiling before others do. remember, you probably just turned a $100 cpu into a $300+ cpu.
tips:
become very familiar with your motherboard manual and your bios setup/layout. know what each setting means and where certain things are on your mobo (i.e.- cmos jumper used for clearing bios, bios chip, cmos battery, etc.
some of your questions (assuming you have any) may be answered here:
http://www.cybercpu.net/howto/basic/oc/
benchmark programs: prime95 @ www.mersenne.org/freesoft.htm
3dmark programs @ www.futuremark.com
http://www.realstorm.com/
i hope this helps. good luck
1. first and foremost, make sure you have sufficient cooling. this is a must. good cpu, northbridge, ram, case, video, and even southbridge may be required
2. make sure all of your components can handle the stress of overclocking. pc3200 is a must for any platform. a good name brand psu of 400watts+ is recommended also.
3. now for overclocking . . .lock your agp/pci buses to 66/33mhz respectively. this is the first actual step for overclocking. the agp and pci run in a 2:1 ratio - if you can't find where to set the pci bus speed, just set the agp to 66mhz and the pci will set to 33mhz.
4. give your ram at least 2.8v so that it will be able to handle higher speeds. raising the fsb will also raise the speed that the ram runs at. it is a good idea to relax your memory timings so that it will be able to run with greater stability. timings of 3-4-4-8 are advised.
5. you may now raise your fsb in 5-10 mhz increments. after each increase, run a benchmark or stress test to test for stability. if the system is unstable, up the vcore .025-.05v or until stability is gained back. note that raising the voltage will result in more heat. watch your temps.
6. always monitor your temperatures, making sure they do not exceed recommended limits. i like to use this rule = p4's keep under 47c and amd's keep under 55c. although different series of these processors like to run at different temps, they are good estimates. these temps will ensure the processor's longevity.
7. if it appears that you hit a wall, (no matter what vcore you use, the system will not be stable) you should now use a divider. a divider allows the fsb and the memory to run at different speeds. (i.e. - a 5:4 divider will make the fsb run at 250mhz while the memory runs at 200mhz) this will give you more headroom so that you may max out the processor.
8. if the system does not post or fails to boot correctly, you will need to clear the cmos. this can be done 3 ways: by using a jumper and moving it from pins 1-2 to 2-3 and then back to pins 1-2 (see bios manual for more detailed instructiuons). you can also take out the motherboard's battery and unplug the power supply unit. leave these out for about 5min to fully clear the cmos. lastlly, some motherboards support holding the 'insert' key during the boot sequence. this will allow you to enter the bios during a no post to change the settings.
9. the fsb is not the only way to overclock a processor. some processors (namely amd processors) are unlocked - they will allow you to change the multiplier. it would be better to run a processor at 10*216mhz fsb than to run it at 13*166mhz fsb. they result in the same overall speed, however, with the raised fsb, your ram, cpu, and agp will communicate faster with one another.
10. remember that every component has a limit. each individual processor and memory stick has their own limit. some people get lucky and can acheive a higher overclock than others. don't be dissapointed if you hit a ceiling before others do. remember, you probably just turned a $100 cpu into a $300+ cpu.
tips:
become very familiar with your motherboard manual and your bios setup/layout. know what each setting means and where certain things are on your mobo (i.e.- cmos jumper used for clearing bios, bios chip, cmos battery, etc.
some of your questions (assuming you have any) may be answered here:
http://www.cybercpu.net/howto/basic/oc/
benchmark programs: prime95 @ www.mersenne.org/freesoft.htm
3dmark programs @ www.futuremark.com
http://www.realstorm.com/
i hope this helps. good luck
Lots of mobos have 2.8 as a max.