RAM PC100 vs PC133

[ceh4702]

I have an Asus TUSL2-C motherboard which supports PIII/Celeron. My 1.2 gig Celeron is only 100Mhz, but the motherboard supports PC133 and PIII CPU's. I only used 128 MB of PC100 SDRAM because I didn't want to buy new RAM.

Does that mean it would be useless to buy PC133 SDRAM?

Can the RAM go faster than the CPU?

What effect does this have on DMA? If you do not like my post feel free to point out your opinion or my errors.

 

[cdogg]

Because you have a CPU that runs on a 100FSB, it won't make a difference whether you use PC133 or PC100. The bus won't run past 100MHz.

Sure wouldn't hurt to buy PC133 if it's close to the same price! It'll give you at least another upgrade option later, although the next step would be to go with DDR or RDRAM...

 

[paparazi]

As the PC133 is backward compatible it should run along side the P100 but it will run at the slower 100 rate.
PC133 would be the better buy considering your options and is actually cheaper at many retailers being the more common type. Martin Just trying to help, sometimes falling short, I am only human after all.

 

[CitrixEngineer]

Just going along with everything that's been said, and, to answer your question, it won't affect Direct Memory Addressing.

CitrixEngineer@yahoo.co.uk

 

[crisc]

I agree with the above posts as well, also wanted to point out that last time I was in my neighborhood computer store I checked on RAM prices, and to my surprise PC133 RAM was CHEAPER than PC100 RAM! I asked a clerk for an explanation, and he said the prices were set strictly by supply and demand, and although the demand for PC133 RAM was greater, the supply of PC100 RAM was was so low that it caused the slower stuff to be MORE EXPENSIVE!
Cheaper and faster! Works for me!

 

[ceh4702]

Thanks for your replies. This is what I thought was the case, but I just wasnt sure.

I am still quite impressed how fast these Celeron play 3d games. I think a lot of this talk about the fastest CPU is a lot of hipe over very little increase in performance. If you have 2 computers and both go faster than what you need then it doesn't matter which one you use.

If you do not like my post feel free to point out your opinion or my errors.

 

[paparazi]

ceh4702.
It is pretty much fact that now even entry level PC's have gone beyond the 750mhtz barrier the graphics are not being held back by the processor as they were with slower machines in the past.
If you 3D games look good it's almost certainly not because of the CPU but because you have a goog graphics card. Martin Just trying to help, sometimes falling short, I am only human after all.