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OCing Memory Timings

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June 14, 2010 11:50:22 AM

Hi all my pals,
What are the CAS,Latency,RAS etc option in memory timings............? :sweat: 
DO THEY AFFECT OC'ING AND OC STABLITY IF YES THEN HOW AND WHAT TO SET THEM(in general and in OCing) ?
Thanks All...

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a b } Memory
a b K Overclocking
June 25, 2010 12:32:11 AM
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Playing around with memory timings is not advisable. The manufacturers test the RAM and those sticks that pass stringent requirements are placed in higher categories and sold at higher prices.

I have OCed my CPU 40% and underclocked my 1600 RAM to 1460, It's a good strategy.
a b } Memory
a b K Overclocking
June 25, 2010 1:21:49 AM

Post your system components - makes and models of motherboard, CPU, RAM, GPU, HDD(s), DVDRW(s). Sometimes you can adjust the speed, voltage and latencies of RAM and achieve better performance and stability, but it takes a lot of experimentation because some settings just don't work - your computer won't even POST. So Ubrales has a point, if you can achieve stability with the RAM mfr's suggested voltage, frequency, and latencies, why bother?
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June 25, 2010 5:53:09 AM

treefrog07 said:
Post your system components - makes and models of motherboard, CPU, RAM, GPU, HDD(s), DVDRW(s). Sometimes you can adjust the speed, voltage and latencies of RAM and achieve better performance and stability, but it takes a lot of experimentation because some settings just don't work - your computer won't even POST. So Ubrales has a point, if you can achieve stability with the RAM mfr's suggested voltage, frequency, and latencies, why bother?


My system specs are:( don't get confused i have two systems with same,mobo,PSU,HDD,RAM config only difference is CPu,GPU....................)
CPU:Intel Celeron D 331 @ 3.5 Ghz on stock voltage 1.328 & Pentium Dual Core E5400 @ 2.7 stock speed..
RAM:Samsung DDR2 800MHz(PC2 6400) 1GB x2 in dual channel **x2 config for both systems
Mobo:Gigabyte G41M-ES2L rev 1.0 *2 for both processors
PSU:Merom 500W *for both CPU's
GPU: On Celeron RIG onboard GMA 4500 on Pentium E5400 a Nvidia Geforce 9400 GT
HDD:Samsung HD502HI 500 GB SATA II HDD 5400 RPM 16M Buffer *2 both PC have one
DVD Drive:Somethin of LG/Hitiachi *x2 each PC has same DVD drive.......

I have two same systems but each has diffrent processors mentioned above......one has E5400 and other Cele D 331 which has FSB of 533Mhz so my RAM runs at 533 Mhz only at stock FSB and at OC settings (175*20) RAM only goes to 700 Mhz speed........and it can handle easily upto FSB 200 but CPU (Celeron D331) cant since 200*20=4Ghz..........
So my RAM's usually run at low speed in the Celeron system so suggest some aggresive timings since RAM only runs at 533 Mhz usually........I know i can change mem divider in BIOS but unable to change though there is option to do it.....
On the other system i overclocke upto 3.33 Ghz to 3.6 Ghz but there is no problem as i change mem divider but in Celeron Pc i am unable to change though they have same mobo.'s.....

Thanks,
June 26, 2010 9:43:31 AM

Best answer selected by khicharkumar.
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