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Old 01-29-2009, 12:14 AM   #1
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Default Ram is not getting up to speed

Here is my ram
http://www.walmart.com/catalog/produ...ci_sku=7386483

i have 2 of those sticks running dual channel and my motherboard is a Lakeport-G i945g or Intel 82945G. my bios says my ram is running at 533mhz not 667mhz which it should be running at

Why is my ram not running at 667mhz
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Old 01-29-2009, 12:17 AM   #2
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Default Re: Ram is not getting up to speed

Run CPU-Z and check the RAM speeds. Also post your official motherboard make/model--it might not support PC2-5300/667mhz memory.
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Old 01-29-2009, 12:30 AM   #3
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Default Re: Ram is not getting up to speed

all 945g series motherboards support 667mhz. i am also running ubuntu so cpu-z is out of the question.

tried using hwinfo but got a dependcy error.


still..i dont think my bios is lying

EDIT: ubuntu's memtest said its at 533(266) and it says my bus speed is at 199mhz.

http://www.intel.com/design/chipsets/express_flyer.htm (scroll to 945g)
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Old 01-29-2009, 01:24 AM   #4
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Default Re: Ram is not getting up to speed

Have you manually changed the speed in the BIOS? RAM doesn't always operate at advertised speeds without a bit of tweaking.
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Old 01-29-2009, 01:36 AM   #5
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Default Re: Ram is not getting up to speed

Look in the BIOS under Frequency/Voltage Control. There should be a setting called System Memory Multiplier.

Here are the settings available:

for FSB(Front Side Bus) frequency=533MHz,
3 Memory Frequency = Host clock X 3.
4 Memory Frequency = Host clock X 4.
Auto Set Memory frequency by DRAM SPD data. (Default value)

for FSB(Front Side Bus) frequency=800MHz,
2.0 Memory Frequency = Host clock X 2.0.
2.66 Memory Frequency = Host clock X 2.66.
3.33 Memory Frequency = Host clock X 3.33.
Auto Set Memory frequency by DRAM SPD data. (Default value)

for FSB(Front Side Bus) frequency=1066MHz,
1.5 Memory Frequency = Host clock X 1.5.
2.0 Memory Frequency = Host clock X 2.0.
2.5 Memory Frequency = Host clock X 2.5.
Auto Set Memory frequency by DRAM SPD data. (Default value)
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Old 01-29-2009, 01:36 AM   #6
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Default Re: Ram is not getting up to speed

my bios cant be edited.

what just occured to me is that im using a dell e510 and dell probably limits my ram speed to 533 even if the motherboard is capable of 667


so many things remind me that i should never buy prebuilds, thanks for trying guys...
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