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8500CD5 - Different Version Numbers?

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I purchased 2 Gig's of Corsair 8500C5D last Feb of 2007 from NewEgg. I was never able to get the memory to run at 1066 without Windows crashing. I lowered the MHz to 800 and tightened the timings up to 4-4-4-12 1T. Windows ran flawlessly with theses settings and never crashed. This Feb. I decided to upgrade to 4 GB and purchased two more sticks of the exact same memory from NewEgg. When I looked at the new sticks, the sticker said Ver. 3.1. When I installed them into my system, I pulled one of the older sticks out and saw the sticker read Ver. 1.3. With all four sticks installed I have to set the timings to 5-5-5-18 and the speed to 800 in order to prevent Windows from crashing every time. The new sticks want to run at 1066 and not at 800, but that is the only way I can get the older sticks to work correctly. Should I RMA back the old sticks? Thanks.
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With the old modules try testing them one at a time with the following settings:



Load Setup/Optimized Defaults

Memory Voltage: 2.1v

SLI Ready: Disabled

FSB Memory Clock Mode: Unlinked

FSB QDR MHZ: Default/Auto


TCL: 5


TRP: 5

TRAS: 15

Command Per Clock: 2T

TRC: 28


If one of them passes and the other fails, then lets get them replaced. With 4 modules you may need to overclock the motherboard in order to get them all running at 1066MHz (or you can set the frequency to 800MHz and not have to overclock the motherboard). But first lets see if your old modules will run at their advertised speed.

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Ok, just to be safe I tested all four sticks one by one. Three out of the four passed, the only stick that did not was one of the older versions. I re-tested it again to make sure and it failed a second time, so the stick appears to be bad. I will submit a online RMA request. Good thing I saved the packaging the new memory arrived in...Thanks for all the help, I appreciate it.
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