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MY ASUS motherboard is asus m2n-pv.vm n whenever i use following combination of ram, my windows does nt boot 1gb ddr2 667 1gb ddr2 667 512x2 ddr2 667 but when i use th this config, my windows boot up 1gb ddr2 667 512x2 ddr2 667 help me out, is this coz of bios??? do i need to update th bios??? if yeah, then how to do that??
Is the memory all the same voltages and timings? Its not good to mix memory. DDR2 is cheaper than dirt, get yourself a 2x2gb kit and sell your old ram on ebay.