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Corsair TwinX 3200C2 512x2 --difference w/ value ram?


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I recently bought this RAM mostly for the purpose of decent overclocking RAM but I'm having a few problems. I can not reach over 200 at all with any ram timings, any bios revisions. I'm currently running 2.5,3,3,11(cas2 unbootable) however I tried to loosen them up to 3,3,3,11 but still no luck over 200. Currently running vdimm of 2.75(nf7-s overvolts to 2.75 up from 2.7).


More or less my question is, why didn't I just purchase the corsair value ram instead of dishing out the extra $XXX for the TwinX?




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  • Corsair Employees
Can you tell me the exact model# of your memory module; along with the CPU speed, and its FSB as well? In addition, please tell me if you have the latest BIOS installed on your system and the bios settings you have set for both CPU and memory and any performance settings that you may have set?
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the model # on the RAM (both) is XMS3202v3.1 041115-2 and are running in slots 1 and 3 (Dual channel enabled)

All tests so far for stability have been running 200x6 @ 1.45vcore (Athlon XP Mobile 2500+) as to remove any cpu mhz stability problem. I'm running the latest bios which is Bios 26 for the Abit NF7-S.


cpu divider - auto

system bios cacheable - disabled

video ram cacheable - disabled

enhance PCI performance - disabled

spread spectrum - disabled


Any FSB over 200 and it just won't cut it in memtest86 or prime95. 200 is dead stable for many hours.



New: I have been using a CPC off 2t bios to get stable at 200, I tried a CPC on 1t one, can't even hold stable at 2.5,3,3,11 =|

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  • Corsair Employees

Please make sure that you have the latest BIOS for your MB and load Setup/Optimized default settings, and try the following BIOS settings;

TwinX1024 or TwinX512-3200C2

Softmenu Setup

CPU Freq: 166 MHz (333 FSB)

Memory Frequency: 166 MHz (333 FSB)

CPU/Memory Ratio: 1:1 or 3:3

DDR Reference Voltage: 2.7 Volts

AGP Voltage: Default *unless you have ATI 9200 or 9600 then 1.6 Volts suggested!*

Advanced Chipset

Memory Timing: User Define

SDRAM CAS Latency: 2.5T

SDRAM RAS to CAS Delay (tRCD): 3T

SDRAM Row Precharge (tRP): 3T

SDRAM Active to Precharge Delay (tRAS): 6T

All other settings are motherboards defaults

Then please test them one at a time with http://www.memtest.org and let’s make sure it's not some other issue! I would run the test for at least 2-3 passes to be sure!

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I've tried each stick by itself before in memtest, they both pass 5 tests at 200fsb @ 2.5,3,3,6, 2.7v. But when I run them dual channel, they are not stable in 2.5,3,3,6, however they are on 3,3,3,6.


These tests were done using optimized default option.


Been memtesting for a while now, running the ram at 166mhz and it seems to be stable in memtest.

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  • 2 weeks later...

I have been trying to get a reply back for an RMA for about 3 days now.


I have filled out the online form -- awaited 24 hours with no reply.

Filled out the excel spreadsheet and e-mailed it to warranty@corsairmemory.com --awaited 24 hours with no reply

E-mailed warranty@corsairmemory.com once AGAIN to question whether they received any of my requests -- no reply within 24 hours


Think you could help me out?


(E-mails were sent under the address' alex.coyle@gmail.com for first/second, and majik.@rogers.com for the third)

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  • Corsair Employees
Sorry our RMA department does not work during the weekend, so you should have received an email as of now, if not then please send the email to me ramguy@corsairmemory.com and I will see they get it first thing in the morning! Customer Service answers emails normally before 10AM every day! You might send an email to your self and make sure your mail settings are set properly!
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Thanks for the reply finally, however I decided just to send it back to Bestbyte Computers(Whitby, Ontario, Canada) and they're going to send it for me. Any chance of expediating the process would be greatly appreciated :biggrin:
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