I have Asus P5B-E motherboard with 4GB of RAM. <br />
I was running the FC6 before which had no issues reconginzing the RAM after enabling the memory remap feature in BIOS.<br />
CENTOS 5 will recognize only 2GB if the BIOS feature is enabled and 3GB if it is disabled.<br />
<br />
Here is the quick output of cat /proc/meminfo | head -4<br />
MemTotal: 3050656 kB<br />
MemFree: 1944568 kB<br />
Buffers: 54604 kB<br />
Cached: 691820 kB<br />
<br />
The only additional option I'm passing to the kernel is pci=nommconf.<br />
<br />
Please let me know if you need any additional information that you want me to provide or if you have any suggestions.<br />
<br />
Thank you<br />
<br />
Igor
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