12GB ram installed only 8 can be seen in bios and win7

arwynj55

Reputable
Jul 7, 2015
7
0
4,520
my mobo is msi p23 max ram support is 16G

i have 1x8gb and 1x4gb my bios only sees 8gb and windows can see 12gb but only 8 usable

i have tried reseting the bios by bridging two pins jbat1 but my issue still remains.

im using windows 7 ultimate 64-BIT and my graphics is ati hd 7970 3gb gddr5
 

arwynj55

Reputable
Jul 7, 2015
7
0
4,520


my mobo only has 2 dim slots i have the 8gb in the first slot and the 4 in the second