FSB:DRAM Ratio, what does it mean?

  Phil930 03:29 29 Apr 2004
Locked

I used to have an FSB:DRAM ratio of 1:1 when all components in my computer ran at 133MHz (Bus266). I since replaced my memory to DDR400 as i am upgrading in stages. My ratio is now 4:6. My Processor FSB is still 266 however my memory is running at 200MHz (DDR400) in Dual Channel mode.

So, the ratios, any help please!

  temp003 04:08 29 Apr 2004

The clock ratio setting is correct. With an Athlon XP, the actual frequency for a 266MHz FSB is 133MHz (just like 200MHz for DDR400).

133:200 = 4:6

If you're not trying to overclock you can leave it at AUTO or By SPD (I don't know what the actual option is called in your BIOS).

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