CPU/BOARD Compatability

I have a Asus P5S-MX SE mother board, and aquired a Intel E5700 800 FSB Dual core chip. The problem is ASUS does not list a bios code for this chip. Will it work? Iam upgrading from the E5400 chip. will it work straight off without problems. Please help.
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More about board compatability
  1. if it is not listed on the support CPU list, 99% sure it is not going to work.
  2. There is a high chance that it will but the BIOS will not recognize it as an E7500 and just display something else when it boots.
    The voltage might need to be set manually.


    If it supports the 45nm Core 2 processors then I'd lean towards this one working.

    BIOS's don't particularly care when it comes to Core 2's, they're all the same micro-architecture internally.
    It's the Socket AM2/AM2+/AM3/AM3+ processors that are highly BIOS dependent.

    The E5400 you had is a 45nm Core 2 CPU, so I would say 99.9% chance that it will work.
    - http://ark.intel.com/products/40478/Intel-Pentium-Processor-E5400-2M-Cache-2_70-GHz-800-MHz-FSB

    The board supports 19x multiplier and that CPU only needs a 15x multiplier, we also know a E5400 worked, so I can't see any reason why an E5700 wouldn't POST on that motherboard using a SIS 671FX + SIS 968 chipset combo.
  3. E5700 is not supported either here http://www.cpu-upgrade.com/mb-ASUS/P5S-MX_SE.html
    or here with Asus http://www.asus.com/Motherboards/I [...] X_SE/#CPUS
  4. rgd1101 said:
    if it is not listed on the support CPU list, 99% sure it is not going to work.

    tnx i try it and see
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