Is the SPD timing values the max setting your memory can handle, or could they be optimized. If they can be optimized, can someone please explain which one of the memory timings to optimize (RAS to CAS, RAS Precharge or Active Precharge). I can run my PC2100 completely stable at 158FSB (316MHz DDR) at default timings, but I was wondering what more to do, besides opgrading...
Is it a very risky business, lowering the memory timings, cause right now I don´t have the spare parts to back me up.
Not usually risky no.
Just lower them and test as you go.
I sugges you use MEMTEST86. It quickly tells you if your ram can handle those memory timings or not.
Also, a Vdimm voltage boost is known to help as well, both with high Mhz and hard memory timings. Results may vary of course. Generally its safe to take DDR ram to 2.8v, provided its of decent quality.
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