Question about ASUS P4S800D-X Motherboard
Hi, I tried upgrading my celeron 2.6 to a pentium 4 3ghz SL7E4 cpu. Physically the job was easy but on power up it wouldn't boot up, fan started, mobo light came on, no beep and blank screen. Changed back to old cpu and working as before.
Ok i checked the ASUS website and looked up the CPU compatibility list for your board here:
But unfortunately that particular CPU doesn’t seem to be supported. Must be something to do with the technology inside the CPU or the amount of L2 cache or something like that. (it would require some rather intensive research to find out exact reason why...
And when searching for ASUS motherboards that are compatible with that CPU it comes up with this short list;
Did you clear the cmos when installing the new cpu before powering it up?
i know the CPU you have now runs at 400FSB and the new one runs at 800FSB But that board supports both speeds so that shouldn’t be a problem.
What type of RAM do you have ?
maybe check owners manual for memory compatibility chart for new 800FSB CPU
Have you tried the latest beta bios from ASUS site :
I can not guarantee that it will work but it is worth a try.
NOTE: Updating the bios can be risky and should only be done to resolve compatibility issues or things like that (or to add CPU support) In the rare event of a power failure during bios update your motherboard could become permanently unusable. (Always use a brand new floppy and follow the instructions to the letter when updating system bios)
Posted on Nov 23, 2008
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Posted on Jan 02, 2017
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