3gb installed 2.5gb recognized.

[RelaxTheMind]

Problem been bothering me for over a week

I have this board(with latest bios), 2 sticks of 1gb gskill and 2 sticks of 512mb gskill same timings.

I have tried different setups with different sets of 512mb pairs i have but this board doesnt seem to want to recognize full 3gb of ram. at post it shows 2.5gb of ram and vista only seems to see 2.5gb as well. When i "borrow" two 1gb sticks from my other computer it sees all 4gb of ram no issue. Note that 2 sets of 512mb sticks do show as a full 2gb of ram.

I am well aware of the limitations of OS memory mapping and i am running vista 64bit so thats not the issue.

When i run system info software it sees the full 3gb installed. Some info i turned up said to change a memory remapping option in bios but cant seem anything like that in mine. It seems my only option is to go with 4 identical sticks to achieve more memory in this old board but i have a bunch of 512mb sticks i wanted to use somewhere.

am i missing something?

 

[taltamir]

OS memory limitation does not matter if it does not show up at post. Also, you said yourself, if you put 4x1GB sticks it sees 4GB of ram...
Contact gigabyte, this seems like a bios bug in this specific board.

if you don't wanna mess with it, you can always get 2x2GB pair and dump all your current ram on ebay.

 

[myocardia]

Skt 939 boards can't run memory with different amonts in each channel the way newer Intel board can. If you want to run 3GB of RAM in them, you have to have 1.5GB in each channel, not 2GB in one channel, and 1GB in the other.