I've got an ECS elitegroup kt-600a motherboard the bios wont let me touch any voltage or even cpu clock for that matter, i can take my ram all the way to 400 so i want to be able to optimize the performance of cpu and ram(pc3200 512mb) is there any kind of program that will let me set this stuff or how can i unlock the bios???? and the jumpers cant be set to anything higher than 200mhz so im assuming i have to change voltage in vcoure and that stuff. I'd really appreciate some help, thanx
How do i get my sempron 2400 to 333mhz???
- Thread starter The Godfather
- Start date
its ddr400 or 200 mhz...
so you setting the jumper to 200mhz means your ram is running ddr400 which is what you want...
you're good to go!
so you setting the jumper to 200mhz means your ram is running ddr400 which is what you want...
you're good to go!
it says it supports up to 200/266/333/400mhz DDR SDRAM memory module
edit- how do i change voltage?
edit- how do i change voltage?
that sux cat shit, my friend is getting a sempron 2800 with a pc chips m825g so can i overlcok that biatch to 333Mhz ????
ooooo, so the multiplier on ram is 2? like so if i set my fsb to 333mhz would i need ram cpable of 666mhz, to get a cpu:ram ratio of 1:1?????
Both the FSB and RAM in this case are double-pumped.
At an effective speed of 333MHz, your FSB is really at 166MHz. Just like a DDR333 (PC2700) module really runs at 166MHz.
Both give you a 1:1 ratio.
At an effective speed of 333MHz, your FSB is really at 166MHz. Just like a DDR333 (PC2700) module really runs at 166MHz.
Both give you a 1:1 ratio.
so if i set my FSB to 333Mhz, my sempron will run at 3.33Ghz and will pc2700 (ddr333) run at 333Mhz? so will i achieve the 1:1 ratio? im wondering if this pcchips motherboard is going to allow me to do it, it looks even more basic that the ecs, i guess ill have to talk to the guy at fry's theres a few who knew what they were talking about, the others knew less than me lol.
No it wont.
Take the 'marketing' 333 MHz numbers and divide by two. These are the actual SPEEDS.
166 MHz FSB = 166 MHz Memory = 333 MHz "marketing speak" FSB speed = 333 MHz "marketing speak" RAM speed
they call them 333MHz because transmission is twice per clock cycle and the overall throughput is equivalent to something running 333MHz and transmitting once per clock cycle.
Right now if you set your motherboard to 200 Mhz, you are running "400 MHz FSB" and "400 MHz RAM speed" in terms of marketing numbers.
Take the 'marketing' 333 MHz numbers and divide by two. These are the actual SPEEDS.
166 MHz FSB = 166 MHz Memory = 333 MHz "marketing speak" FSB speed = 333 MHz "marketing speak" RAM speed
they call them 333MHz because transmission is twice per clock cycle and the overall throughput is equivalent to something running 333MHz and transmitting once per clock cycle.
Right now if you set your motherboard to 200 Mhz, you are running "400 MHz FSB" and "400 MHz RAM speed" in terms of marketing numbers.
just so im clear, i can set my motherboard's fronstside to 333MHz and the sempron will be at 3.33GHz? and the ram wil be at 333MHz and ill still get the 1:1 ratio, im as confused as my friends wehn i hit him with a lightsaer while he was sleeping
The Sempron 2400+ is, I believe, a 1.66GHz chip running on a 333MHz FSB (166X2).
So you processor should already be running on a 333MHz effective FSB. If you were to double this, so that your native FSB speed is at 333MHz and its effective speed at 666MHz, then you would also be doubling your clock speed.
So in this case, it would be 1.66GHz X 2 = 3.33GHz.
However, I can tell you straight off that without some pretty impressive cooling, there is simply no way you're going to acheive that.
I think you maybe getting confused with the native/effective FSB speeds.
So you processor should already be running on a 333MHz effective FSB. If you were to double this, so that your native FSB speed is at 333MHz and its effective speed at 666MHz, then you would also be doubling your clock speed.
So in this case, it would be 1.66GHz X 2 = 3.33GHz.
However, I can tell you straight off that without some pretty impressive cooling, there is simply no way you're going to acheive that.
I think you maybe getting confused with the native/effective FSB speeds.
ya, ok, i got it, my native right now is 200mhz, my sempron is only at 38°C. so my effective is 400mhz. is there anyway possible to get my motherboard to go to native 333mhz, it wont let me in bios and the jumpers wont do it? or is my mobo just not capable of it.
Why would you want to run it that high?
It's not just a matter of your motherboard and memory running at such high speeds; your processor would be running at 3.33GHz, and it isn't realistic to assume you could get it running that high, even with water cooling.
A 400MHz efective FSB is already a good OC, and your processor should now be running at 2.0GHz, which is a 20% increase over 1.66GHz.
It's not just a matter of your motherboard and memory running at such high speeds; your processor would be running at 3.33GHz, and it isn't realistic to assume you could get it running that high, even with water cooling.
A 400MHz efective FSB is already a good OC, and your processor should now be running at 2.0GHz, which is a 20% increase over 1.66GHz.
im pretty happy with it, but i'm just bored over the summer and wanted to play with it, maybe take it to 233 or 266mhz. i found out my friends motherboard will only take 166mhz so he'll get his Sempron 2800 at its normal clcok and so will his pc2700 ram, but we have to get him a new case and ps. we basically were redoing an old comp with a 700mhz celeron with an 85w ps!!!!! i forgot to check that and the numbers werent really clear on the ps except that do not exceed 85w. so to get oc'ing really high i need a good motherboard, i guess on my next computer ill remember that.
What are the different settings in the bios for the FSB? Your board could be listing either the effective FSB in the bios or the native one.
Your chip runs on a 166mhz native FSB (333 effective) with a multiplier of 10 (166*10 = 1666 mhz). By changing the FSB to an native 200 (effective 400) you have changed CPU speed to 2000mhz (200*10 = 2000). This is a pretty big jump, and you should make sure your chip can take that increase in speed by running Prime95 Small FFT's test for at least 10 hours.
If you're going to overclock your CPU, you're going to want a board that lets you change the FSB in about 5mhz increments, not in huge jumps (like 200-266-333-400)
Your chip runs on a 166mhz native FSB (333 effective) with a multiplier of 10 (166*10 = 1666 mhz). By changing the FSB to an native 200 (effective 400) you have changed CPU speed to 2000mhz (200*10 = 2000). This is a pretty big jump, and you should make sure your chip can take that increase in speed by running Prime95 Small FFT's test for at least 10 hours.
If you're going to overclock your CPU, you're going to want a board that lets you change the FSB in about 5mhz increments, not in huge jumps (like 200-266-333-400)
i've researched a lot about sempron 2400 ocing and found that no one i saw on any forums had rpobably with the 166 to 200 jump. also whats the sempron 2800's speed at 166mhz native?
It could be that the other people who raised the FSB from 166 to 200 also lowered the multplier to either 9 or 8.
The sempron 2800 runs at 2ghz.
The sempron 2800 runs at 2ghz.
You can't easily. The only way to unlock it is to make modifications to the actual chip, and even then I'm not sure if you can do that for a sempron.
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