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I built the P3 700e on a P3V4X and it STUNK!

Believe

Junior Member
Posted a thread a couple of days ago here asking what chip to put onto a P3V4X and got a lot of GOOD comment. then did some more research (overclockers.com mostly) and agreed with the concensus opinion here to get a 700e. got a costa rica SL3XM, week 34, cBO stepping. even though several guys have gotten the SL3XM up to 1100+ (overclockers data base) with water cooling, i could only get this ah heck to 868 (7 X 124/31). heat wasnt a prob, i tried everything i could think of. then i thought, well ill take this guy back and get a 933 certified chip, but lets see what 868 is like compared to the 519 im used to (4.5 x 115/38) on my trusy old p2 300 SL2YK. everything was a little crisper of course, but other than large file transfers (eg, making Ghost image files) i didnt notice any big speed increases in daily activities. guess i shouldnt be surprised, but i was. Sandra 2001 CPU benchmarks increased from 1401/697 to 2346/1168, not bad. but the memory benchmarks were actually LOWER with the 868 than with the 519. I thought the mem bus was clocked to the FSb, and i have them both running 1/1. so the 700 running at 124fsb should give a better mem bandwidth than the p2 300 with a 115fsb. the only explaination i can think of is that the pci bus is UNDERCLOCKED on the 700e (31mhz) and OVERCLOCKED on the p2 300 (38.3). but i dont see why that would effect the mem bus.
anyway, what i learned mainly, i think, is that since im not a gamer 500 vs 900 Mhz doesnt really make a meaningful difference to me, and im just going to keep the p2 300 until i make a MEANINGFUL change to something with A LOT MORE mem bandwidth,like a p4.

 
So you got a chip that sucked. They dont all do it, and I've found Costa to be the worst, personally. That's why people get pretested chips, to avoid what you went thru. 😉
 
Had the same problem. Not on a costarica chip though, on a week 18 malay 700

Wouldn't budge above 868. Seen others do the same. Strange that the magical number on these chips is 868?
 
Could it be the reason was the VIA chipset on the P3V4X?

I personally have zero confidance in VIA although I really want a T-Bird...
 
While the P3V4X is a very nice board, the memory performance is not as good a good BX board. Their are lots of tweaks available however which will bring memory performance up to within 5-10% of BX. For most people this is close enough - unless the user is a benchmark junkie that is.
 
In my experience testing chips, only about 30% of the 700s will do 933. Went through over 40 when we were building some clones to get the one I have. And I must disagree, you can never have enough speed.
 
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