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RAM overclocking questions

post #1 of 5
Thread Starter 
I recently purchased 2GB of ram (2-1GB sticks) to run in dual channel along with the initial 512MB of RAM (2-256MB sticks) that were running in dueal channel mode. Both are PC3200 (400 MHz), and my FSB is 533 MHz. My 1GB sticks are all Kingston RAM and my 256MB sticks are Samsung (from DELL, came with the computer).

When I upgraded my RAM past 1GB, the memory speed decreased from 400MHz to 333MHz, now 200 MHz slower than my FSB. I have an ASUS motherboard I believe (not certain), and I'm told that after 1GB it reduces the RAM speed so as to have a more stable system.

Given this information, I am hoping you all can answer my questions:
- Can I overclock my RAM, specifically to the 400MHz it is capable of running at, and perhaps even to the 533MHz of my FSB?
- Would overclocking my FSB help me in any way?
- What programs can I use to overclock the FSB and/or RAM?

Thank you all in advance for your help!
BladeRunner v3.0
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BladeRunner v3.0
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post #2 of 5
You have a Dell proprietary MOBO not an ASUS. The only way to overclock your system is with software which isn't really recommended because it can introduce instability into your system.

Your MOBO just set a divider to cope with the extra RAM you had installed. If your overclocking software lets you remove the divider I'd set it back to a 1:1 and you should be ready to go.

You can use CPUFSB, Clockgen, Speedfan to overclock your MOBO if it is supported by the program.
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post #3 of 5
Thread Starter 
I still would like to know if I am able to overclock the RAM and/or FSB, should I stick with a 533:533 RAM:FSB or should I go with the 400:533, or something inbetween? I do not quite understand which is the limiting factor in speed (RAM or FSB), or how the divider thing you mentioned works.
BladeRunner v3.0
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BladeRunner v3.0
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post #4 of 5
This is an area of contention at the moment. All collaterals I have contacted said that the only difference in running the ram faster than the fsb is a tiny increase in on ram chip memory latency (For ECC Copy) that will show in canned benchmarks but will be a waste of bandwidth in real life use. I personally would move to tighter timings on 1:1 (400:400) although there are some who prefer 1:2 (400:800) but in my testing I have yet to see any real life noticeable difference in such a move.

R
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post #5 of 5
Thread Starter 
OK, will these programs let me know my overclocking limits, etc.? Can someone provide me with links to the recent versions? Thanks!
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Samsung 850 Pro 512GB Noctua NH-D15S Windows 10 Home 64-bit Logitech G910 Orion Spark 
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BladeRunner v3.0
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Hard DriveCoolingOSKeyboard
Samsung 850 Pro 512GB Noctua NH-D15S Windows 10 Home 64-bit Logitech G910 Orion Spark 
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