LBPN Posted July 29, 2010 Share Posted July 29, 2010 Hello guys. I recently bought new components for the PC and the problem is that BIOS and Windows reports 4GB of RAM instead of 6gb. Motherboard: Gigabyte x58A-UD7 CPU: Intel I7 930 RAM: Kingston 3x2GB DDR3 1600MHz HyperX XMP CL8 Cooler: Corsair H50 Win7 x64 Windows says 6gb installed; 4gb in use. Anyone else have this problem? Please help... Link to comment Share on other sites More sharing options...
alainneedle1 Posted July 29, 2010 Share Posted July 29, 2010 What's the ram voltage at in bios? Link to comment Share on other sites More sharing options...
LBPN Posted July 29, 2010 Author Share Posted July 29, 2010 1066 mhz Link to comment Share on other sites More sharing options...
alainneedle1 Posted July 29, 2010 Share Posted July 29, 2010 1066 mhz Wait a minute here....if I look at your sig, you are running DDR2 rams and now you are trying to run DDR3??? DDR3 rams will not run if your mobo is made for DDR2.......what mobo do you have? EDIT: I just reread your post....DUuuuuuh on me.......you should run your rams at 1600MHz and my question was about the voltage of the rams in bios not the MHz. The voltage should be at 1.65v, if your rams voltage is on auto and is not at 1.65v you will have to enter it youself at 1.65v Link to comment Share on other sites More sharing options...
LBPN Posted July 29, 2010 Author Share Posted July 29, 2010 Did that, no change. Is it possible that it's a faulty motherboard? Link to comment Share on other sites More sharing options...
TenBlade Posted July 29, 2010 Share Posted July 29, 2010 You could remove two ram blocks, and place the remaining in each slot and see if a problem exists with one of the slots. Put each ram, one at a time in one slot that you know works, see if problem lies within a ram block. Some boards want ram in specific slots to work properly, see mobo manual. B Link to comment Share on other sites More sharing options...
LBPN Posted July 29, 2010 Author Share Posted July 29, 2010 i placed the ram modules according to manual. slots DDR3_1, DDR3_3, DDR3_5. (2'nd, 4'th and 6'th slot). It seems the last slot (DDR3_5) is not working. It's not booting from it at all. But the mobo manual says: In case you're using only 1 ram module, use only DDR3_1 or DDR3_3. What's weird is that CPU-Z says I have 6gb. But BIOS and windows states otherwise (4GB). Checked each ram module, they all work. I'm really getting crazy you know. Link to comment Share on other sites More sharing options...
alainneedle1 Posted July 29, 2010 Share Posted July 29, 2010 Read this...... you may find a solution http://forum.giga-byte.co.uk/index.php/topic,2338.0.html http://forum.giga-byte.co.uk/index.php/topic,2140.0.html http://forum.giga-byte.co.uk/index.php/topic,2040.0.html Link to comment Share on other sites More sharing options...
LBPN Posted August 1, 2010 Author Share Posted August 1, 2010 Ok it was the motherboard. And I blame one of the RAM slots. It seems it's a common issue with the x58 motherboards. I found hundreds of post on the internet regarding this problem and most people are blaming the CPU socket having weak pins. The problem is I became so obsessed with bended and misaligned pins that I completely destroyed the motherboard trying to realign some pins which appeared to be bended (of course it was just my imagination) and I broke one of the pins. So I cannot send the mobo for replacement and I had to buy a new one. And this one works like a charm. It show the entire amount of RAM. So most likely it was a defective RAM slot. If anyone happen to have a similar problem just send it back. Don't try to fix it yourself. I'm still bothered with loosing one board, yet I love the new upgrade. Amazing results compared to my old Q6600 system. Link to comment Share on other sites More sharing options...
alainneedle1 Posted August 1, 2010 Share Posted August 1, 2010 ftxthebest , what mobo did you get? Link to comment Share on other sites More sharing options...
TenBlade Posted August 1, 2010 Share Posted August 1, 2010 perhaps you can still sell it for cheap, just tell about the defective ram slot... B Link to comment Share on other sites More sharing options...
LBPN Posted August 2, 2010 Author Share Posted August 2, 2010 ftxthebest , what mobo did you get? Gigabyte X58-A UD7. Same motherboard as the first one. @TenBlade Well having one socket pin broken it doesn't even boot my pc. So the first motherboard is lost completely. Well at least the second one works like a charm. Link to comment Share on other sites More sharing options...
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