Odyth Posted May 30, 2007 Share Posted May 30, 2007 i just got a new intel mother board, model number: 865peso. the ram modules i have are: 2 x 512mb cmx512-3200c2pt xms3202v3.1 0412029-3 xms3200 512mb 400mhz cl2 2 x 512mb cmx512-3200c2pt xms3v1.5 0526040-3 xms3200 512mb 400mhz cl2 now when i put in just two at a time in either slots 1 and 3 or 2 and 4, the motherboard detects the correct speed of 400mhz. when i put in all 4 at a time it complains about "serial presence detect (spd)" and when you check the speed in the bios it lists it at 320mhz. if you manually change the setting back to 400mhz in the bios and run memtest i get errors. i ran the test again only testing the pairs and the pair with version 3.1 passes. the pair with version 1.5 fail. i then tested each v1.5 stick individually and found the failing one. in the bios i had set the speed to 400mhz and the timings to 2-3-3-6. so i believe i have a falty stick of ram. here is the memtest86+ when i tested it in pairs: tst = 4 pass = 0 address = 0003df31270 991.0mb good = 127a0592 bad = 527a0592 err bits = 40000000 count = 6 and when i tested the bad stick i got tst = 4 pass = 0 address = 0001df34938 479.2 mb good = 10101010 bad = 50101010 err bits = 40000000 count = 5 now if i get the bad stick replaced will i still have a problem because i am using v3.1 and v1.5, i bought v1.5 first then when back and reordered the same product a year later from http://www.newegg.com and got v3.1. so if that is an issue wondering how i get that taken care of as well. thanks Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted May 30, 2007 Corsair Employee Share Posted May 30, 2007 What is the make and model of your MB? And with most MB's you would need to use the exact same part# and revision. Link to comment Share on other sites More sharing options...
Odyth Posted May 31, 2007 Author Share Posted May 31, 2007 it is an intel D865PESO 865PE. http://www.intel.com/products/motherboard/d865peso/index.htm Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted May 31, 2007 Corsair Employee Share Posted May 31, 2007 That is correct with that MB when you install more than two module it will by default slow the memory down to DRR320 and what I would suggest as this MB will not give you the option to set the memory Voltage to the minimum suggested Voltage of 2.75 Volts. Link to comment Share on other sites More sharing options...
Odyth Posted June 1, 2007 Author Share Posted June 1, 2007 well thats fine if it slows it down to 320 however one of my ram sticks still fails, when i run memetest. i set all the settings back to auto, so that it automatically selects speed and timings and it still fails. Also if i leave that stick in and boot to windows i all kinds of crazy errors that i normaly dont get if i have any of the other sticks in. Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted June 1, 2007 Corsair Employee Share Posted June 1, 2007 We can try replacing the modules for you if you like, but you should be using our Value Select modules with this MB. If you want to get them replaced please follow the link in my signature. Link to comment Share on other sites More sharing options...
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