ASUS P5N E SLI and Core 2 Duo E6800

  steve587 15:25 16 Nov 10
Locked

While waiting for upcoming Sandybridge developments next year for an upgrade, I have considsered extending the life of my current LGA775 based system by upgrading my current 2.66 MHz Core 2 Duo E6750 to the 3.33 MHz C2D E6800. (I have already upgraded my graphics card to an NVIDIA 460 GTX 1 Mb). However, it appears this CPU is tied to 64 bit architecture, whereas I am currently using 32-bit Vista and presumably have 32-bit BIOS on the ASUS motherboard. Checking on the ASUS website, it lists both a 32 bit and 64 bit version of the P5N motherboard, so presumably I have the 32-bit version?
Although one response may be - don't bother with this, keep it as it is and wait for next year - can anyone advise on;-
(1) Would it be sufficient to simply purchase and install Windows 7 64 bit to get the E6800 working?, or
(2) Is there more to do with the motherboard BIOS (and anything else) to make this feasible??

Cheers

  citadel 17:04 16 Nov 10

as far as i know if a cpu is in supported list in motherboard specs you just install it and bios knows what it is and thats that. you can use 64 0r 32 bit windows. ive got 64 bit vista and never had to do anything.

  GaT7 17:15 16 Nov 10

According to Asus click here (then the CPU Support List tab), the E6800 will need BIOS version 1404 (the E6750 only needed 0608). The latest downloadable BIOS version is 1406.

So first find out your present BIOS version, using the free version of SIW click here (download the non-installer one lower down).

However, replacing an E6750 with an E6800 will make little to no difference, so not really worth upgrading in the first place.

Regarding the 32-64bit issue, citadel is right. Either will be fine with either CPU. G

  steve587 14:34 17 Nov 10

Thanks for the info on Windows - saves me having to buy a new copy as I'll stick with Vista for now. I'll look at flashing my BIOS with the version you've identified.

cheers

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