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WiLsOn1106

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#1 WiLsOn1106

Member since 2003 • 52 Posts

I'm doing some research on how RAM works with the motherboard and all that good stuff and I got kinda confused.
So say if I had 2 sticks of 1gb DDR2-800mhz RAM (2GB RAM), would each stick be running at 800mhz, or would they run at 400mhz each? Same with 4 sticks of 1gb. Would it be 200mhz for each stick?
Or hypothetically speaking, if I had 10 sticks, it would be 80mhz for each?
Or is it the other way around where it's 800mhz for each.
I was looking at the CPU-Z program about my computer and it shows:
Max Bandwidth: PC2100 (133mhz)
PC2100 is DDR-266 and I have two sticks of 256mb, so that means each is at 133mhz?
So when adding more RAM, it just increases the storage capacity? Since it's capped at 800mhz, how would it make sending data faster or something like that...

Sorry if it's kinda confusing and stupid.

17 years ago

ulillillia

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#2 ulillillia

Member since 2006 • 685 Posts

They should all run at 800 MHz. If you had an 800 and a 533 in there, then the 800 would run as if it was a 533. If you had a random mix like 667, 800, 533, 800, then all the memory would run at the 533 speed.

17 years ago

WiLsOn1106

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#3 WiLsOn1106

Member since 2003 • 52 Posts

Yeah, I know my computer is slow but anyway so if I'm correct, it shows each stick running at 133mhz.
PC2100 is supposed to be 266mhz. Yeah 100+133 isn't 266mhz, that's what I don't get, maybe the OEM ram screwed me or something.

17 years ago

LordEC911

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#4 LordEC911

Member since 2004 • 9972 Posts

DDR266 runs at 133mhz.

DDR stands for double data rate.

PC2100(suppose to be 2128 ) = DDR266 = 266mhz effectively = 133mhz actual speed

PC2-6400 = DDR2-800 = 800mhz effective = 400mhz actual speed

17 years ago

WiLsOn1106

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#5 WiLsOn1106