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Corsair 3200 Ram (which one and how many)?

M

Mattlock

Senior member
I am building a system XP2100 rev week 48 (just got it today)
8rda+ board.

I plan to overclock as mush as possible.

I am trying to get my RAM ordered and to be honest I am a little confused on which stick(s) to order

Looking at Googlegear's site and not quite sure with the specs.

I think I want 2x256mb rather than 1 512mb, Cas2, but not sure about the "XMS" thing.

Can quite decide which is best (link below) "#17, #18,#19, or #20". Is there any difference other than price?

I am still wondering if 2 sticks are better than one (on a nforce2 board) for overclocking.

Edit: It looks like 1 stick is better for overclocking.... in that case cant tell which is best (#7, #8, #9, #10) from Googlegear (link below)

Part 2:
I am still wondering if 2 sticks are better than one (on a nforce2 board) for overclocking.

It looks like 1 stick is better for overclocking (so I've heard).... in that case cant tell which is best (#7, #8, #9, #10) from Googlegear (link below)

Link

Any thoughts,
Mattlock
 
get the low latency if you can afford it. will help in overclocked performance.

high memory speed isn't going to help performance if you've got sucky memory timing settings.
 
I would go with the 2 sticks of 256 to support dual channel ddr. I haven't followed the AMD side of things for awhile so I'm not sure if that board is dual channel ddr or not. But if you invest in some nice 400mhz low latency memory now (Corsair xms 3200LL, for example), you can hopefully use it for the next upgrade as well (assuming new boards will be using dual channel ddr, they seem to all be heading that direction)

 
I've heard that some people are having "issues" with low latency. Anyone have any idea what that could be?

Mattlock
 
I heard that if you just use two sticks of regular xms3200 c2, theres a chance that they won't work in c2. You probably one to get the TwinX line with the matching pairs of xms3200 for dual channel mobos... kinda expensive tho, but guaranteed to run at c2...
 
Originally posted by: Mattlock
I've heard some people are having "issues" with Low Latency. Any idea what that might be?

Mattlock
Click to expand...

There are a few issues, mostly because the default BIOS don't respond to the timings set in SPD (serial presence detect, like plug-n-play info for RAM). This was supposedly just an issue with the C2 (cas2), but apparently the LL is exhibiting similar issues now as well. There's no doubt its simply a BIOS detect issue, as there are workarounds to this problem. I just upgraded to 1024 TwinX 3200LL and its great RAM, it'll do as advertised and more (doing 194 @ cas2-5-2-2-1T ), and still has headroom. I would go with 1 512MB stick right now if you are focused on OC'ing, but also b/c I think that 2 x 256 kinda commits you for a while on an nForce2 platform.

Right now, the benefit of running dual channel isn't as signicant as you would think, so running high FSB with 1 stick with tight timings would be a better IMO. Then if you had the need say in 6 months for another 512MB stick, you could run dual channel and not have to unload your old RAM (at a time when everyone wants 512 sticks). 400mhz or better with tight timings is the way to go, as future boards and chips (Barton 400mhz, Athlon 64, Canterwood) will all use dual-channel 400mhz DDR. DDR-II is at least a year away, so DDR-I still has a nice useful life, might as well buy quality now and be done upgrading.

Here's a link to the HoH Corsair Help forums that explains the issues: House of Help - Corsair Support Forums

Chiz
 
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