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Changing FSB:dram ratio

post #1 of 3
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Hi guys. I just got an Asrock 775-Dualvsta and have a couple of questions. I cant seem to find a way to change fsb:dram ratio, currently at 4:3 (DDR400 512x2). Another thing I've noticed is when running superpi the cpu usage in task manager never exceeds 50% is this normal?
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120 Gig W.D Sata XP 19" Samsung 915N LCD 550w True Power 
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post #2 of 3
Quote:
Originally Posted by BradMan View Post
Hi guys. I just got an Asrock 775-Dualvsta and have a couple of questions. I cant seem to find a way to change fsb:dram ratio, currently at 4:3 (DDR400 512x2). Another thing I've noticed is when running superpi the cpu usage in task manager never exceeds 50% is this normal?
That is normal for superpi. You can run two instances of it if you like. Just copy the folder and paste it somewhere else. Rename one of them superpi-core0 and one superpi-core1. Then run superpi from each at the same time and go into task manager and set the affinity for one to cpu-0 and the other to cpu-1. Then you will have a copy running in each core and use 100 %.

I like to do that with the 32million run in each core to test for stability after i've run memtest86 for 30 minutes or so.

I don't know about how to set the bios options on your board. Did you get a manual?
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post #3 of 3
You should see an option in your BIOS to manually set the speed of the memory. If you see an option for 533MHz, set it to that in order to hit a 1 : 1 ratio.

As was said above, that's normal for SuperPI. I recommend Orthos or TAT if you really want to push your CPU.
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The Beast™
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