Ram problems!!! PLZ HELP!!!!

Custom / CUSTOM
January 12, 2011 at 21:52:32
Specs: Windows 7, 3.2 GHz / 3327 MB
To start i have a asus evo-m mobo, which can take up to 16 gb ram. I also have 3 2 gb sticks of ocz3 ddr3 1333 ram. When i run just 2 of the 3 sticks, my computer works like the $1000 machine its suppose to. Problem starts when i install the 3rd stick, 1st of all in the system settings it will read that it has 6 gb of ram but only 3.25gbs usuable. 2nd...everytime i stop playing any game ( which it will play as long as want ) but when i exit the game, about 3 or 4 minutes will go by and my computer will freeze, (and i mean every single time). I take the 3rd stick out and my computer will run perfectly again. So i guess my questions would be 1. how do i get my mobo to allow me to use all of my 6gb and 2. why would my comp freeze with the 3rd stick installed and not with just two? (last time i checked the more (ram) the merryer)

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January 12, 2011 at 22:54:31
Do u have win 7 64bit?

We can not fight new wars with old weapons, let he who desires peace prepare for war - PROPHET.

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January 13, 2011 at 02:39:41
no im running 32 bit, if it matters i have both versions, i just wasnt sure if my mobo would support 64 bit or not so i just installed 32 bit

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January 13, 2011 at 04:45:02
With a 32 bit client OS the maximum installed RAM is 4GB, of which roughly 3.25 GB will be usable. Your situation is typical. Only a 64 bit OS will be able to use 4GB or more RAM.

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January 14, 2011 at 08:37:22
ok so i uninstalled win 7 32 bit and installed 64 bit, the system settings say that it recognizes all 6 gb now but my comp has a real hard time starting windows, then when it does finally start up ill the the blue memory dump screen like 10 minutes after i turn on the computer. would thins be a mobo problem or the 3rd 2gb stick of ram? Same situation though i take the 3rd stick out and my computer runs fine

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January 14, 2011 at 09:31:40
did u perform a clean installation of windows?uninstallation of windows?
did u check that all ram sticks are placed perfectly in their respective channels or.
are u sure u have the right psu?
if thats all checked than that particular stick of ram is damaged or faulty and/or is causing problems that the bios cannot read. if u test ur memory with and without it with memtest then u would know

computers are a second home

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January 14, 2011 at 11:03:03
"ok so i uninstalled win 7 32 bit and installed 64 bit"

How did you manage that ? Did you buy a Product Key for the 64 bit version, or did you use an illegally generated Product Key ?

You MUST unplug the computer , or otherwise switch off the AC power to it, when you are going to be unplugging or plugging in any wiring connection or card or ram module on the mboard. Did you do that, EVERY time?
If you didn't, you may have damaged the third ram module, or the circuits of one of the ram slots.

Some ram manufacturer's modules do not strictly adhere to the JEDEC standards that most mboards bioses use to determine ram settings.
In that case, the ram settings in the bios Setup that the bios has automatically chosen may not be correct.
Check the ram settings in your bios - the ram voltage, and the ram timing numbers - those should be the same as for the specs for the modules themselves. Often the ram voltage and timing numbers are printed on the label on the modules.

If the voltage setting or timings settings in the bios are different from the specs for the ram, change them in the bios. The timing numbers must be as close as you can get to the same, or slower timings (higher numbers = slower) - you won't notice the difference the slower settings make.

Are all the modules exactly the same part number ? If no.....

If you have a mix of different modules
- don't mix ram that different voltages are specified for - the bios will force the ram to use the lowest voltage, if "by spd" or similar is used (default settings) - ram that a higher voltage is specified for is more likely to not work properly in that situation.
- the bios settings must be those for the slowest timing settings of all the modules, or slower (higher numbers = slower).

"....have 3 2 gb sticks of ocz3 ddr3 1333 ram....."

We had heard of more than a few people having problems with OCZ ram when more than one of their modules have been installed. Sometimes you must change the ram timing settings in the bios Setup so they're all a little higher (slower) than the numbers specified for the modules. If you have a mix of modules with different timing settings, the bios should be set so the timing numbers are a little higher than the HIGHEST of the timing settings of the modules installed.

See response 2 in this - try cleaning the contacts on the ram modules, and making sure the modules are properly seated:

If you do a ram test, do that AFTER having tried cleaning the contacts and making sure the ram is seated properly - otherwise any errors found may be FALSE.

The freeware memtest86 Version 3.4 or lower can test more than 4gb of ram (version 3.5 has bugs that prevent more than 4gb from being tested properly), however it produces false errors with some systems that have an AMD main chipset or an AMD cpu in two of the individual tests.
The freeware memtest86+ (not made by the same guy) can test more than 4gb of ram, but it can produce false errors with some mboards unless you Disable Legacy USB support in the bios Setup BEFORE you run it.

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January 21, 2011 at 16:15:36
illegal! i would never do such a thing

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