tigernight Posted March 5, 2009 Share Posted March 5, 2009 Hi , I am Tiger . I have upgraded my pc with a i7 processor and x58 MB (MSI eclipse SLI ) and bought a 3GB Kit (3 x 1GB) (TR3X3G1333C9) which is compatible with . the problem is the system shows only 2 GB RAM !! I reinstalled the Memory parts several times but with no effect .. are there any adjustments in bios settings that would run all the ram slots ? thanks Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted March 5, 2009 Corsair Employee Share Posted March 5, 2009 Test the system with 1 module at a time to see if you have 3 working modules. Link to comment Share on other sites More sharing options...
tigernight Posted March 16, 2009 Author Share Posted March 16, 2009 I have checked them one by one .. all of them were recognized by the bios but the OS shows only 2 GB ...are there any settings in bios needed to be changed ?????? Link to comment Share on other sites More sharing options...
Wired Posted March 16, 2009 Share Posted March 16, 2009 Which motherboard do you have? You state one in your post, but a different one in your profile. Does the BIOS show all 3 GB? Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted March 16, 2009 Corsair Employee Share Posted March 16, 2009 What O.S are you using and how much memory is on your Video card or cards if you have more than one? Link to comment Share on other sites More sharing options...
tigernight Posted March 17, 2009 Author Share Posted March 17, 2009 the MB is x58 MB (MSI eclipse SLI ) my OS is VISTA 32bit . there is strange thing I discovered in the VGA card .. it is evga geforce 8800 320mb but it`s written memory is 1GB !!! Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted March 17, 2009 Corsair Employee Share Posted March 17, 2009 How much memory is shown in the BIOS and I would talk to the Graphics card maker about that. Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted March 17, 2009 Corsair Employee Share Posted March 17, 2009 What you are seeing is because of the 32bit OS. You'll need a 64bit OS to solve this issue. Your motherboard is being allocated approximately 1GB of MMIO space and your video card is taking up the other 1GB. Please read about MMIO and 32bit vs 64bit OSs at the link below, see AN804 and AN806: http://www.corsairmemory.com/appnotes/default.aspx Link to comment Share on other sites More sharing options...
tigernight Posted March 17, 2009 Author Share Posted March 17, 2009 I have checked the Bios systemic information , It showed only 2GB of ram also It displayed that all the 3 ddr3 are installed in their slots ..!!! Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted March 17, 2009 Corsair Employee Share Posted March 17, 2009 I would talk to the MB maker and see what they say but it sounds like there is some other problem. Link to comment Share on other sites More sharing options...
lorenzol Posted March 18, 2009 Share Posted March 18, 2009 Normally Vista 32-bit only supports up to 2-3 gigs of RAM. But if you are completely positive that it is compatible, follow these directions: 1) Open up the start menu 2) Type in : msconfig 3) Click on msconfig 4) Click continue in the UAC if applicable 5) Click the boot tab 6) Click " Advanced Options" 7) Under "Maximum Memory" either set the amount of MB, or untick it 8) Click Ok, and Ok again 9) Restart the computer, and check to see if Vista recognizes it *10) if this fails, check to see if you inserted your ram correctly Your Welcome if this works Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted March 18, 2009 Corsair Employee Share Posted March 18, 2009 Normally Vista 32-bit only supports up to 2-3 gigs of RAM. Actually, this is not entirely correct. I have checked the Bios systemic information , It showed only 2GB of ram also It displayed that all the 3 ddr3 are installed in their slots ..!!! Contact your motherboard maker. You either have a bad memory slot or there is an issue with your BIOS. Link to comment Share on other sites More sharing options...
borg2009 Posted March 26, 2009 Share Posted March 26, 2009 Hi tigernight i have a msi eclipse sli i think you may find it a good idea to go to http://global.msi.com.tw/index.php?func=html&name=forum they have a forum for our i7 boards it may also be the fact that you need to upgrade bios one other thing are you using the black slots on the motherboard if you are not then you need to populate the black slots first. Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted March 26, 2009 Corsair Employee Share Posted March 26, 2009 Also you might try and set the memory Voltage to 1.6 Volts and see if that helps. Link to comment Share on other sites More sharing options...
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