Question about Shuttle AV49VN Motherboard
I recently upgraded my shuttle av49vn motherboard from a 2.6ghz 400fsb celeron to a 2.8ghz pentium 4 with 533fsb. There is a jumper on board to change fsb speed to 533 and completed same. However the board wont boot with the new processor. Could the memory i have installed or the bios have anything to do with this? Considering the board is made for a p4 processor, i cant imagine it came with a bios not compatible.
Teresa, if you changed the front side bus to 533, your memory must have the same clock speed. Memory clock speeds are what is known as "backwards compatible" but not forwards. This means that you could put a piece of memory of a clock speed of 400mhz into a system that runs at 333mhz and it will "downclock" the memory, but you could not put a piece of 333mhz memory in a 400mhz fsb pc and expect it to run. one of two things will happen, the system will not boot at all or the syetm will downclock the processor to a slower speed. In your case your cpu must be 533mhz clock speed with pc4200/533mhz memory to function correctly.
Posted on Dec 13, 2008
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Posted on Jan 02, 2017
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