RAM OC'ing for newbies, aswell as some questions.

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V

Vich

Platinum Member
Apr 11, 2000
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Does anyone know of a RAM OC'ing guide for newbies?

A step by step of where to go how to OC and what to look for?

I would be interested in OC'ing my memory but i dont know the risks and benefits off doing so.

I dont care about benchmarks but i do want to get the most FPS as possible in games, however i wont rock hard stability with long term reliability.


Anyone willing to help me out??

Thanks

-Rich
 
G

GtPrOjEcTX

Lifer
Jul 3, 2001
10,784
6
81
I've posted this a few times now. It sort of applies here so I'll post it again, sorry if its not exactly what you're looking for. Its describing overclocking a P4 2.4c. Assuming you're using DDR ram.

----------------------------------

PC2100 = DDR 266 Mhz
PC2700 = DDR 333 Mhz
PC3200 = DDR 400 Mhz
PC3500 = DDR 433 Mhz
PC3700 = DDR 466 Mhz

The type of RAM you get is dependant on what FSB you want to run your system at. If you get a 2.4c and jump the FSB to 285 and run in 5:4 that means your memory will be running at 456 Mhz (which will most likely require at least PC3700) This will run the CPU at 3420Mhz.

If you want to run a more conservative over clock...say just 250 FSB and run in 5:4 your memory would be running at 400 Mhz and PC3200 should suffice (I'd get PC3500 to be sure though). This will run the CPU right at 3Ghz.

--------------------------------------

with DDR, the ram runs 2X the speed of the FSB. Ex. In systems with a 133FSB, DDR266 (PC2100) does the job. This is when run 1:1.

However in systems that bump the FSB way up it is impossible for the RAM to run at the 2X the speed.
That's where the ratios of 5:4 and 3:2 come in to play.

If I were to set my FSB to 250, and ran 1:1, that would mean I would need DDR500. However if I set the ratio to 5:4 that means
250 5
--- = -
200 4

The ram would run at 2X the 200 and run at DDR400 (PC3200). This lets the higher setting of FSB without the RAM being the limitation.

Hope that helps you.
 
V

Vich

Platinum Member
Apr 11, 2000
2,849
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Ok im trying to understand that...

Now does OC'ing the ram shorten its life significantly(sp?)?

And is it more/less stable??

And what are those things people talk about like running ram at 2-2-2-...etc ??


Thanks

-Rich
 
V

Vich

Platinum Member
Apr 11, 2000
2,849
1
0
When i get my computer up and running ill check out my settings, however i wonder if anyone is up to the task of writing a memory OC article. Has anand done one recently??

-Rich
 
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