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Originally Posted by Wolf2000me Perhaps something to look in to.
Since i flashed the my bios to the Merlin cpc on bios I noticed performance increase. But only marginally. I increased 3dmark01 from 17800 to 17900. Aquamark also increased about 200 points. Your performance increase was much more. I have developped a theory about it after reading the nf7sFsbsense.html page. Perhaps it's BS or perhaps it isn't.
I connected ah32 to ag31, the lower mod in the left picture. Which made me boot at 166 mhz default. I assume you did the higher one on the left picture (ah30-ah28) as described in the table below. Which makes you post at 200 mhz default. Perhaps my mod made me use the 166 mhz romsip table even if i boot at above 200 mhz. Therefore, i only benefit from the CPC on setting and that would explain the minor improvement in performance. I am on par with your benchresults at 11.5x200. That would also explain why i did perform a lot better in superpi (posted in your memory bandwidth thread). I am using winxp of course and if you did the same mod as I did my theory is down the drain  |
Hi, this
does make sense to me now : My L12 is the higher one - should simulate FSB200 - as you correctly assumed. The thing is I have no idea if it works as it should - let's assume it does.
I used to have a real low memory bandwidth, as you probably remember, but it was also an issue in some reviews of Epox 8RDA6+ PRO. Almost everybody has got an AMD XP Mobile now, so it could depend on the L12 mod. I can't recall what CPUs were used in those reviews - I don't have enough time to check'em now. On the other hand some people here don't complain on the same issue I did. Well, it's complicated, but I think in your case it really does make sense - before buying some new memory try to remove your L12 mod, since it might have an influence on your FSB (lower than mine) - assuming (once again
) your theory is correct.
As to SuperPI - it has been checked by a friend of mine - under Win2k it counts much slower, about 40 seconds or even more in comparison to WinXP SP1 (SP2 is a bit slower than SP1).
@ Naibot - I've got the same question as Wolf2000me - precisly, I'm going to buy exactly the same memory sticks you have (G.Skil PC4400, Samsung TCCD chips, Brain Power's PCB). Could you plz post some SiSoft Sandra results at FSB200 and 220 (2-2-2-5)? I'm wondering if these sharp timings are worth the money I would pay for them.