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I want better ram timings

hmm i jsut had a not so good experience, i found that my ram was by speed, so it was going at rated.. but i changed the cas to 2, and others to like 2 2 5 or something cant remember exactly... but it locked up before getting back into bios, so i had to take out battery 😛..

BTW, i CAN select cas 1.5 on my motherboard.. what would be stable timings?, bear in mind im using 2.5volts, and running my ram at 150mhz........ ta
 
Basically if you want better timings, buy better ram. If a company can set timings lower, they will and then they'll sell it for more money. The only case of someone being able to set lower timings that I've really heard of is with Corsair value select cas 3 memory which is basically just cas 2.5 mem (so people have lowered cas from 3 to 2.5). So no, you will not be able to get 2-2-2-5 timings with whatever ram you got. Lucky for your that timings don't really do all that much. The performance gain would be really small basically. If you want more performance out of your ram, you could always raise your FSB and run your ram at a higher speed (like pc2700 or pc3200). There are a ton of factors which make this difficult (multipliers, pci/agp lock, cooling, etc) and I wouldn't recommend it (as you are probably unfamiliar with it).
 
Try giving her more VDimm. With the Crucial PC2100 chips, they were the only ones I ever remember having diminishing overclockability with more than 2.9v, so don't go over 2.9v. The rule of thumb is to find the minimum amount of voltage your mem needs to operate at your desired FSB, so take it up one step at a time (i.e. if it's 2.5v default, try 2.6v then 2.7v). I would suggest using Memtest86 to test the memory each time, and between timing tweakage. Ultimately you would want to arrive at 2-2-2-5 or 2-2-2-6 if possible. tRCD (Ras-to-Cas) @ 2 is harder to run than CL 2, just a FYI.

edit- for CL, don't bother with 1.5 as it's too hard for systems to run and it actually doesn't help performance as much as 2.5 -> 2.0.
 
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