Tom's Hardware > Forum > Motherboards & Memory > Memory > 100 Mhz Ram with 133 Mhz CPU?
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Anonymous   04-05-2001 at 04:56:04 AM

Is it possible to run the CPU frequency independently of the RAM frequency?

ie can I stick my PC-100 ram in a motherboard with the 815 chipset and run the cpu at 133 Mhz ?

thanks

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Arrow   04-05-2001 at 05:00:37 AM
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You would be running at 4:3 ratio.

Rob
Please visit <b><A HREF="http://www.ncix.com/shop/index.cfm?affiliateid=319048" target="_new">http://www.ncix.com/shop/index.cfm?affiliateid=319048</A></b>

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Anonymous   04-05-2001 at 11:04:56 AM
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thanks. what precisely does 4:3 ratio mean?

besides the ratio, will the system run stable without any problems ?

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Anonymous   04-06-2001 at 04:44:17 PM
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if you have some very good PC100 ram it may take it but as ageneral rule teh answer is no, think of it as getting a 1ghz CPU and overclocking it to 1.33ghz with no voltage or cooling change.....

M

if at first you don't succeed , destroy all evidence that you ever tried...

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TheSandman   04-06-2001 at 06:11:18 PM
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there should be a setting in the bios that will run the memory at 33mhz less than the fsb that is what is ment by 4:3 ratio also.

SANDMAN

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Arrow   04-07-2001 at 12:51:59 AM
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That's right. Your processor is running at 133mhz bus, while your RAM is at 100mhz. So, the ratio of 133:100 is 4:3.

Rob
Please visit <b><A HREF="http://www.ncix.com/shop/index.cfm?affiliateid=319048" target="_new">http://www.ncix.com/shop/index.cfm?affiliateid=319048</A></b>

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