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dual channel fault?


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abit nf7-s v2.0

windows xp pro

amd 2800+

ati 9800

raptor 34g hdd

corsair xms3200cspt 400mhz

been using this setup for approx 6 months happily decided to take advantage of dual channel purchased another xms3200. in dimm 3 and 2 which is dual channel computer repeatedly reboots just before u can hit delete to get into bios.using dimm2 and 3 works fine (single mode only) its running at 333mhz and timmings 7 3 3 3 which are stable default any ideas appreciated

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Your mainboard seem to dislike your two different DIMMs... One thing to try is to force your memory settings manualy inside your BIOS (if the Abit BIOS works like the ASUS one) :

 

System Performance - (User Defined)

CPU Interface - (Optimal) [Greyed Out]

Memory Frequency - (100%)

Memory Timings - (User Defined)

SDRAM Active Precharge Delay - (6)

SDRAM RAS to CAS Delay - (3)

SDRAM RAS Precharge Delay - (3)

SDRAM CAS Latency - (2.5T)

FSB Spread Spectrum - (Disabled)

AGP Spread Spectrum - (Disabled)

CPU Vcore Setting - (Menu)

CPU Vcore - (1.650V)

Graphics Aperture Size - (128MB)

AGP Frequency - (66MHz)

System BIOS Cacheable - (Disabled)

Video RAM Cacheable - (Disabled)

DDR Reference Voltage - (2.7V)

AGP VDDQ Voltage - (1.5V)

AGP 8x Support - (Enabled)

AGP Fast Write Capability - (Enabled)

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abit nf7-s v2.0

windows xp pro

amd 2800+

ati 9800

raptor 34g hdd

corsair xms3200cspt 400mhz

been using this setup for approx 6 months happily decided to take advantage of dual channel purchased another xms3200. in dimm 3 and 2 which is dual channel computer repeatedly reboots just before u can hit delete to get into bios.using dimm2 and 3 works fine (single mode only) its running at 333mhz and timmings 7 3 3 3 which are stable default any ideas appreciated

abit say that if using dual channel memory then use dimm sockets 1 and 3.

birdman.

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yep i know dimm 1 and 3 are dual that was a typo sry and have tried upping the voltage with no effect only works in single mode dimm 2 and 3 when testing with prime95 its 50/50 wether it runs for 12 hours or 2mins and it will either reboot or have a fatal error so sad!
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  • Corsair Employees

We can try replacing the modules if you like, but we cannot gaurentee you would get matching modules.

Please follow the link in my signature “I think I have a bad part!” and we will be happy to replace them or it!

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We can try replacing the modules if you like, but we cannot gaurentee you would get matching modules.

Please follow the link in my signature “I think I have a bad part!” and we will be happy to replace them or it!

 

ok thx for all the help i have friend with same mobo running dual channel i will test on his rig and let u know cheers

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  • 4 weeks later...
  • Corsair Employees
I would check for some other problem with your system. But I have no problem replacing your modules. But I would not suggest running 2 modules in dual channel that are not identical as that might be the problem.
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  • Corsair Employees

The issue does not appear to be a warranty issue, but you can ask our customer service if there is anything they can do to help you get your modules replaced with modules that match.

Please either call our customer service at 888-222-4346 and dial "0" or follow the link in my signature "If you have submitted the RMA using the on line form and have not got a reply!"

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