FSB Speed (memory)

  • Thread starter Thread starter MIke Brown
  • Start date Start date
M

MIke Brown

Can anyone confirm that you can mismatch memory FSB speeds with CPU FSB
speeds?

I accidentally ordered 800Mhz DDR2 after ordering a 533Mhz FSB P4
processor. Will the faster memory still work? As I understand it, the
FSB will simply run at 533Mhz instead of the higher rating the memory
was designed for... The mobo of course supports 533/800Mhz bus speeds..


Just checking my facts!

Thanks,

Mike
 
MIke said:
Can anyone confirm that you can mismatch memory FSB speeds with CPU FSB
speeds?

I accidentally ordered 800Mhz DDR2 after ordering a 533Mhz FSB P4
processor. Will the faster memory still work? As I understand it, the
FSB will simply run at 533Mhz instead of the higher rating the memory
was designed for... The mobo of course supports 533/800Mhz bus speeds..
Click to expand...
You are correct however with a decent BIOS, you can use the 800MHz DDR2
at 800MHz whilst still running the processor at 533.


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Do a benchmark(aquamark, 3DMark2001 SE) and check the performance
difference. When I was running a 333mhz fsb with PC3200, My performance
degraded 700 points if I ran the memory at 400mhz instead of 333

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