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Memory Info?

B

blclay23

Member
What is the difference between 8ns and 7.5ns, can I use both of them at the same time? I have 2 sticks 128mb of PC100 rams(diffrent brands (infineon & hyundai), hopefully they have the same "ns" coz for some reason I can not overclock my system.

setup goes like this:

PIII 700Mhz (Slot 1)
256 PC100 SDRam
ASUS P3V4X ver 1005
ASUS V6800 GeForce256
2 Maxtor 20 & 40 GB HD's 7200 RPM (master&slave)
Plextor 12x10x32 Sec. Master
Creative 52x Sec. Slave
Creative Sounblaster Live

Thanks,

 
Pillage2001,
Please give some more information regarding your post. I am no expert on this subject but I have read hundeds of posts on this forum that state otherwise.

My understanding is that the speed rating listed on the ram chips is a general guideline and nothing more. Think of this like a processor rating, many processors overclock perfectly well just as many ram chips overclock over their rating. Infineon 7.5ns chips are known to overclock very well and run just as fast as most 7.0ns chips.

When using ram chips with two different speed ratings in the same system, the system will only be as fast as the slower chip. This means that you should be able to set your speed setting to what ever speed the slower ram can handle. The faster ram will function just fine although you will not be able to take advantage of its higher speed potentional. If you set your system this way, no instability issues should arrise.

 
8ns = 125MHz
7.5ns = 133MHz
7ns = 143MHz
6.6ns = 150MHz

blclay, you may mix and match different memory modules, the faster one will default to your FSB if it is lower. However if you are running 133FSB an 8ns module might not run that high.
 
Here is a fun little test for you. Why don't you try to overclock with just one of those sticks of ram in there and see how high you get. Then try the other. If your system is not processor limited, I guarantee you the 7.5 will get higher than the 8.
 
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