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Corsair TWINX1024-3200C2PT problem

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Hiya, all


I have a problem like all of you guys :confused: . When I use dual channel on Slot 1 and 3, my computer beeps ( one long beeps ....one long beep.....one long beep....etc)--It doesn't boot.


When I switch to slots 2 and 4....I was able to boot up and run MemTest86 3.1a


I have a custom built computer with the following components:

Abit IC7 MB (Recent Bios version 26 [10/22/04])

Corsair TWINX1024-3200C2PT 1GB DDR400 XMS3200 Dual-Channel Memory w/Platinum Heat Spreader

Seagate Barracuda 120 Gig SATA HD

Plextor 708A DVD +/- ROM (Recent firmware)

PNY Vertgo 5900 Ultra 256 MB ram


I ran MemTest 86 3.1a and here are my results after 6 hours of testing:

Walltime = 6:01:32

Cached = 1024M

RsvdMem = 20M

MemMap = e820-std

Cache = on

ECC = off

Test = std

Pass = 36

Errors = 3

ECC error = 0


The next line showed this (in condensed form):

tst = 3

Pass = 24

Failing address = 000331e47a8-817.2 MB

Good = 20202020

Bad = 28202020

Error Bits = 080000

Count = 3 1



Thae ram that I have has this on the label:


XMS 3200 512 MB 400 MHz CL2




Here are my settings for the RAM in the BIOS:

DDR Reference voltage (2.7v)

Memory timings (user defined)

SDRAM CAS Latency (2)

SDRAM RAS to CAS delay (3)

SDRAM Active precharge delay (6)

SDRAM precharge delay (3)



I bought these over a year ago. Do you think I need an RMA?

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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: 200

DRAM Clock: 400 MHz

CPU/DRAM ratio: 1:1

Memory or Dim Reference voltage: 2.75 Volts

System performance: Standard

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


Configure Dram timing by SPD: Disabled/User define

SDRAM CAS Latency: 2T (2.5T AMD Platform)

SDRAM RAS to CAS Delay (tRCD): 3T

SDRAM Row Precharge (tRP): 3T

SDRAM Active to Precharge Delay (tRAS): 6T

SDRAM Burst Length: 8

All other settings should be set to default settings!

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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Sorry this might be off the topic of the original thread, but I got a quick question.


Ram Guy: I have Asus P4P800 SE, 2.8c, ATI AIW 9600XT, and TwinX3200C2. I noticed that you recommended 1.6v instead of ATI's recommended 1.5v for Radeon 9600. Is there any reason behind this? Do you also recommend 1.6v for the 9600XT version? Thanks (ps: I don't plan on overclocking my GPU)

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RAM Guy,



I have the latest drivers and bios for my motherboard.

I also have the correct setting for my RAM in the Bios

I do not have an AMD chip so the 2.5 is a 2.


I've tried to do what you asked me to do and I still get error on my modules. :[pouts:


Dium voltage 2.75


AGP voltage is default...I have an NVIDIA 5900 ultra.



Thanks for your help. Any other suggestions?

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