Hardware reserved RAM

silverspoon

New Member
Hi, I've searched extensively for a solution to my problem, but I've found all kinds of conflicting suggestions. So i come here in hope of enlightenment.

My system:

Asus P7P55 LX iP55
Kingston 2x2GB DDR3 PC10666 CL9.0
Radeon HD5850
Intel Core i7 860 2.80GHz
Samsung 1TB SATA300 32MB, HD103SJ

It's a 2,5 year old system that i recently decided could do with some upgrades. I decided the RAM and HD were prime candidates for that. In time i will probably get a solid state drive, but i decided to get started on some more memory. I bought Corsair Vengeance (2x 4 GB) DDR3-RAM 1600 MHz 9-9-9-24, which should be fully compatible with my system. But now that i've installed them, both my BIOS and windows show only 4gb of available memory.

-I've updated my BIOS.
-I've swapped the new RAMS to see if one is broken.
-I've looked at my CPU for damaged/bent pins.

All of this still results in half the memory not being able to be used. I have now tried another thing, which is put back the old 2x2 RAMs, and adding the 2x4. Now i have 6gb of available memory.

As the title states, half of the RAM installed is 'hardware reserved' when i look in resource manager. Which to me means, " i can see its there but i cant use it".

Is there anything else i can look for or try to fix this? I have to admit that i have no experience with CPU repair, so if a pin is damaged in some way i might easily miss it. But how could there suddenly be no contact, all i did was swap some RAM. Why could my comp see the 2x2 as 4, but not the 2x4 as 8?

Anyone? :(
 
Are you running 32 or 64 bit windows? If 64bit, go into the BIOS, select the advanced menu then select North Bridge Configuration. Make sure Memory Remap Feature is set to enabled.

If you are running 32 bit windows, you need 64 bit to be able to make use more than around 3GB of RAM.
 
Use the msconfig utility. Type msconfig in the search box and hit enter. Click on the boot tab, click advanced options. Is the max mem box checked? If so, what is amount in the box? It should be unchecked.
 
It's unchecked. When i check it it says 12gb (caus atm i have all of em in there). When i had just the new ones it said 8gb iirc.
 
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