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RAM Timings


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#1
WoKeN

WoKeN

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hey i just got some new OCZ 2(2x1) dual channel sticks of ram. The advertised latency timings are 2.5-3-2-5. Now my question is if the 2 is for the SDRAM RAS to CAS Delay catagory or is it for the SD RAM Ras precharge Delay Catagory?

Also I hear people have their timings to "2.5-3-2-5 @1T" What do they mean when they mention 1T? I wasn't quite sure what that stood for.

And if anyone has an ASUS A7N8X-Deluxe Mother board like i do. Could anyone tell me if I am indeed using the dual channel feature for my ram? I'm not really sure weither or not if it's enabled as i'm using my ram. In my mother board i have DIMM Slots for max capacity of 3gigs of ram. I put my dual channel OCZ (1gig each stick) in slot 1 and 3, and my old 512 kingston stick in slot 2 (in the middle of the other 2 sticks). My computer isn't reading that I have 2560 ram, It's only reading that I have 2048 (2gigs). But shouldn't it be reading as 2560 ram if I added the 512 stick in the middle along with the other 2 sticks of 1 gig each?

Anyways, any help is much appreciated.

Edited by WoKeN, 10 September 2005 - 03:16 AM.

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#2
biyectivo

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Download and install Everest here. It will both tell you the total amount of RAM you have, the timings and descriptions, and whether your RAM is running in dual-channel mode or not.

Be advised though, most motherboards require identical RAM sticks in order to run in dual-channel mode. Review your motherboard documentation on dual-channel setups.

The most common order for memory timings is:

CAS-RCD-RP-TRAS @ Timing

1T and 2T are the memory controller timings. As far as I know only nForce chipsets handle 1T effectively. 1T will reduce your memory latency a bit.

Finally if you want to read something about memory timings try here.
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