# I have a rated FSB at 1064 mhz but my bus speed is 266mhz why? i dont know and w

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I am just trying to figure out my pc all this is new to me and am reading the A+ exam books. Learning a lot but dont understand why my pc rating is different. please help
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Anonymous
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Ok so my FSb is Quad pumped i am running only a Intel Core 2 Duo 1.86 GHz dont know if that has anything to do with it. So is my FSB set low or is it good? Sorry guys for the dumb questions

Anonymous said:

I understand what the FSB is and what it does. I just dont Understand the settings of the two bus and FSB is the bus speed my board mhz?
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Your FSB multiplied by your processor's multiplier gets you your CPU frequency. In your case, that would be 266 * 7, for 1.862 GHz.

The rated FSB is the number of transfers per second possible on your FSB, which is four times your FSB frequency because it is quad pumped (handles four transfers per clock cycle). In your case, this is 266 * 4, or 1064. This measurement is in MT/s, or megatransfers per second.

willard said:
Your FSB multiplied by your processor's multiplier gets you your CPU frequency. In your case, that would be 266 * 7, for 1.862 GHz.

The rated FSB is the number of transfers per second possible on your FSB, which is four times your FSB frequency because it is quad pumped (handles four transfers per clock cycle). In your case, this is 266 * 4, or 1064. This measurement is in MT/s, or megatransfers per second.

Thank you that makes sense to me now. So since my cpu should be 266*7 but my bus speed is only 266*4 can i not change my bus speed to fit my cpu or am i maxed out as far as my cpu speed ? so i shouldnt bother upgrading my cpu to a higher GHz

Also i downloaded cpu-z and it says my multiplier is 6 so is something wrong or do ineed to change a setting?
Anonymous
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what cpu do you have?
why would you think something is wrong?

I have an Intel Core 2 Duo 1.86 GHz i just thought that since it said 6.0 multiplier and i was only rating a 4 multiplier that something was sett wrong. again sorry just trying to learn.
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Check BIOS to see if the CPU Ratio is set to 7.

If so, check CPU-z when the system is under load. The CPU may be using the SpeedStep feature when the system is under light load to save power/energy.

Thank you
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mgetts said:
willard said:
Your FSB multiplied by your processor's multiplier gets you your CPU frequency. In your case, that would be 266 * 7, for 1.862 GHz.

The rated FSB is the number of transfers per second possible on your FSB, which is four times your FSB frequency because it is quad pumped (handles four transfers per clock cycle). In your case, this is 266 * 4, or 1064. This measurement is in MT/s, or megatransfers per second.

Thank you that makes sense to me now. So since my cpu should be 266*7 but my bus speed is only 266*4 can i not change my bus speed to fit my cpu or am i maxed out as far as my cpu speed ? so i shouldnt bother upgrading my cpu to a higher GHz

The E6600 conroe cpu is about 50% more powerful than what you have now and is very cheap. £20 ish. The Q6600 is much more powerful than that but you would need to check the motherboard manafacturer,
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