FC 5 Upgrade Ram to 20 GB Not work!

[apiwatk]

Hey please Help me.

Me have server installation fedora core 5 .

Detail

OS :*Fedora Core release 5 (Bordeaux)
Kernel :*2.6.15-1.2054_FC5smp

apache :*Apache/2.2.0
mysql :*mysql *Ver 14.12 Distrib 5.0.27, for redhat-linux-gnu (i686) using readline 5.0


Now me Installation Ram 13 GB but in os look is 12GB

I want upgrade memory from 13 GB to 20 GB

now Kernel look to 12GB

Hardware

HP DL380 G5

CPU :*Intel(R) Xeon(R) CPU * * * * * E5430 *@ 2.66GHz * x * 2



Please Help me?

[bob]

(moved to EOL)