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help with over clocking memory

post #1 of 4
Thread Starter 
how do i over clocl my memory 2 run faster?i read a few stuff about timings & volts but didnt qite get it yet.


heres a sandra lite memory bench mark
------------------------------------
SiSoftware Sandra

Benchmark Results
Memory Latency (Random Access) : 215 ns
Speed Factor : 108.1
1kB Range : 4.2 clk (~2.0 ns)
4kB Range : 4.3 clk (~2.0 ns)
16kB Range : 4.8 clk (~2.2 ns)
64kB Range : 29.7 clk (~13.9 ns)
256kB Range : 47.3 clk (~22.2 ns)
1MB Range : 153.1 ns (326.2 clk)
4MB Range : 174.2 ns (371.1 clk)
16MB Range : 182.7 ns (389.3 clk)
64MB Range : 214.7 ns (457.3 clk)
Results Interpretation : Lower index values are better.

Performance Test Status
Run ID : X1F2V0 on Thursday, November 09, 2006 at 3:29:04 AM
Processor Affinity : No
System Timer : 3.6MHz
Memory Access : Random

Processor
Model : Intel(R) Celeron(R) CPU 2.13GHz
Speed : 2.13GHz
Performance Rating : PR2323 (estimated)
Cores per Processor : 1 Unit(s)
L2 On-board Cache : 256kB ECC Synchronous, ATC, 4-way set, 64 byte line size, 2 lines per sector

Chipset 1
Model : Foxconn International Inc SiS655 CPU to PCI Bridge
Front Side Bus Speed : 4x 133MHz (532MHz data rate)
Width : 64-bit
Maximum Bus Bandwidth : 4256MB/s (estimated)

Logical/Chipset 1 Memory Banks
Bank 0 : 512MB DDR-SDRAM 2.0-2-2-4 (tCL-tRCD-tRP-tRAS) CR1
Bank 2 : 512MB DDR-SDRAM 2.0-2-2-4 (tCL-tRCD-tRP-tRAS) CR1
Channels : 1
Speed : 2x 133MHz (266MHz data rate)
Width : 128-bit
Memory Controller in Processor : No
Maximum Memory Bus Bandwidth : 4256MB/s (estimated)
    
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post #2 of 4
I'm not sure I am reading this right, but I believe with tighter timings you should be able to *MAYBE* (need confirmation) go pretty far with this RAM. I am even surprised it can hold that speed so well! It is DDR1 right?
Plus, your mobo supports 800FSB, so you're in luck! It could prove to be a great OC PC (no pun intended )
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post #3 of 4
Thread Starter 
Quote:
Originally Posted by def.momo View Post
I'm not sure I am reading this right, but I believe with tighter timings you should be able to *MAYBE* (need confirmation) go pretty far with this RAM. I am even surprised it can hold that speed so well! It is DDR1 right?
Plus, your mobo supports 800FSB, so you're in luck! It could prove to be a great OC PC (no pun intended )
Yep its the normal ddr not ddr2,my timings are normaly 2.5.3.3.6 but i read a whole memory over clocking tut & if i can remember right it says a CAS Latency of 2 will run faster than the 1 that is set to 3,cuz thats how many clock cycles the memory will delay to give back the requested data if u kno what i mean.
But, ive been wondering cuz most of the new memories thats comming out has a C L of 4&5,but then with higher CL u will be able to increase its clock but the memory can run slower even tho its running @ a higher clock rate i heard.

Also,i switched my CMD timing from T2 to T1 since the memory performs slower in T2,so as of now i think am goin good with makin my memory run faster but am not really sure yet.i havent touched the voltage on my memory yet & is not willin to,unless i really have to.

So from 2.5.3.3.6 am @ 2.0.2.2.4 is this good?
Edit:I forgot 2 mention am runnin dual channel,those that help?
TELL ME WHAT U THINK PPL PLZ,THX IN ADVANCE.
    
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C2D E6300 1.86 @2.6 MSI P6N SLI-FI @1500mhz FSB 9600 GT G.SKILL 2GB DDR2 800 
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250 GB Western Digi LG GSA-H10L Vista Ultimate SP1 Dell P991 19" CRT<<DEAD Alive>> (20" Sam 205BW) 
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Microsoft wireless THERMALTAKE TR2 500W ARK 6099-CA Trackball 
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post #4 of 4
Tighter timings are better, however, if you want to overclock the RAM you will have to loosen them up. That is ok, as memory speed increase is more advanatgeous that tighter timings.

But the sole fact that you can run DDR at those timings is proof enough that it is quality RAM. From what i can see, you have a lot of headroom to OC, and your board even allows it.

You can easily set your Celeron 2.13GHz to 3.2GHz if you put your FSB to 200MHz. But then you might have to loosen timings to 3.3.3.8 to get DDR400 in dual channel. But that is way worth it!
I can't tell you much about voltage, however you might not have to add any if your RAM supports DDR400 at stock voltage (real DDR400 RAM at 1:1 multiplier). What brand and family is it?

That's the only way to really overclock your RAM.

Other than that, you could try changing the multipliers, but i don't think you will get the same performance boost as you will get by putting your FSB from 133 to 200.

And dual channel does help performance a lot, but doesn't affect overclocking.
Hope that helped!
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Maxtor 500GB + Hitachi 160GB Generic Ubuntu 22" HP W2207h 
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