albedan Posted May 27, 2007 Posted May 27, 2007 Hi all, here's the problem. I bought 2x GEIL 1GB PC3200 value ram (http://www.geilusa.com/products/show/id/13) that I wanted to use on my good old Asus A7N8X-E deluxe (nforce2 ultra). But it simply recognizes 512MB instead of 1GB for each stick, no matter how I put the 2 sticks in the slots... and even if I use only one stick, it still recognizes only 512MB :confused: First additional info: the sticks are 1GB, I tried them on an older mobo (MSI Sis 745) and it recognizes them completely. Second additional info: I've got a 1GB stick of UCCC, and they are fully recognized by my A7N8X-E... Using the latest bios (1013).. I'd really appreciate any input from you guys :cool: Quote Share this post Link to post Share on other sites More sharing options...
RyderOCZ Posted May 27, 2007 Posted May 27, 2007 Look and see if you can see between the heatspreader and the PCB, do the 2 new Geil have IC's (chips) on both sides of the PCB? Does the UCCC have IC's on both sides? Quote Share this post Link to post Share on other sites More sharing options...
albedan Posted May 27, 2007 Posted May 27, 2007 Look and see if you can see between the heatspreader and the PCB, do the 2 new Geil have IC's (chips) on both sides of the PCB? Does the UCCC have IC's on both sides? Both the Geils and the UCCCs have modules on both sides. Quote Share this post Link to post Share on other sites More sharing options...
RyderOCZ Posted May 27, 2007 Posted May 27, 2007 Did you try testing each stick as the only ram used in the machine? Meaning you removed the existing 1GB stick? Quote Share this post Link to post Share on other sites More sharing options...
albedan Posted May 27, 2007 Posted May 27, 2007 Did you try testing each stick as the only ram used in the machine? Meaning you removed the existing 1GB stick? Yes I did. When used singularly, the bios counts only up to 512MB (the two sticks have the same problem). And obviously in windows only 512MB are recognized by the OS. BTW, do you know what kind of ICs are used on these Geils? Quote Share this post Link to post Share on other sites More sharing options...
RyderOCZ Posted May 27, 2007 Posted May 27, 2007 No clue on IC's and it sounds like you are running into a density issue, they may have used 128x4 IC's and the board can't handle them, it's only seeing one side. The other board does, which is why it sees 2 x 1GB. Quote Share this post Link to post Share on other sites More sharing options...
albedan Posted May 27, 2007 Posted May 27, 2007 No clue on IC's and it sounds like you are running into a density issue, they may have used 128x4 IC's and the board can't handle them, it's only seeing one side. The other board does, which is why it sees 2 x 1GB. I thought it could be a problem of density, too, but considering that the Geil have a total of 16 chips (8 on each side), how could they be 128MB ICs? Quote Share this post Link to post Share on other sites More sharing options...
albedan Posted May 27, 2007 Posted May 27, 2007 I thought it could be a problem of density, too, but considering that the Geil have a total of 16 chips (8 on each side), how could they be 128MB ICs? Ok, I've done some reading and I understand that some 1 GB sticks are 16x128Mx4, that is 16 chips of 64MByte each, but 64MB obtained with 64Mx8 ICs are JEDEC compliant while 128Mx4 are not.. and are not compatible with Nforce2, it seems... anyone can confirm this? Quote Share this post Link to post Share on other sites More sharing options...
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