4 GB RAM not recognized by vista x64

Hei,

I have a Windows Vista Ultimate x64 with SP1 and I recently installed 4
GB of RAM (Geil 4x 800 mhz, ddr2) but my windows is seeing only 2494 in
Windows Task Manager - even if CPUZ and Basic information about your
computer are showing 4.00 GB of ram.

why ? what can i do to run all my 4 gb?........ plz..


--
standART

I just enter in BIOS and saw that it only see 2486 memory ....
My motherboard is Asus P5B

any ideea on that ?


--
standART

Problem solved: I only had to enable Memory Remaping in Bios - somewhere
in Chipset

hope this helps others

All the best


--
standART