XP 2400+ recognised as 1800+

  [DELETED] 21:14 26 Sep 2003

The title says it all.

Initially the processor was recognised as a 2400+ but now, despite no hardware or software changes, it is recognised as a 1800+.

Performance wise it seems very close to an Athlon 2000+ which I also run. My grounds for this are that both machines run UD 24/7 and, on average, get through very nearly the same quantity of units a week.

Any ideas please?

Tried a search on 'recognised as' but no result.

  [DELETED] 21:20 26 Sep 2003

You need to go into the BIOS and change the multiplyer. If you FSB is 133*2 (266MHz) then change the multiplyer from 13 to 18. More likely though your CPU will take an FSB of 166*2 (333MHz) so you should change the clock multiplyer from 10 to 14.

  [DELETED] 21:36 26 Sep 2003

as Steve N says above, go into your bios and look for memory/cpu fsb settings.

your XP 2400 is a 266FSB processor so you would need to set your FSB at 133/133 or maybe 133/100 if you are using sdram instead of ddr memory. DONT (if you have the option) go to 166 or you could blow your proc/memory.

setting to 133 should then show your proc to be a XP2400 running at about 1.9ghz.

good luck but be careful as setting these wrong (too high) could cost you a lot of money (new motherboard,proc and memory) possibly more.

  [DELETED] 21:46 26 Sep 2003

Thanks Both of you. Just gone into the BIOS and found that it was set to 100 MHz.:-( . Set it to 133 and all seems to be well.

At the moment it's using 2100 DDR borrowed from another machine. Any advantage in using 2700 DDR?

Again Thanks.

  [DELETED] 22:12 26 Sep 2003

An Athlon XP 2400+ runs at 15x133 to give its default of 1995MHz (although mine is running at 11x200)

  [DELETED] 22:19 26 Sep 2003

The bandwidth of an Athlon 2400+ is 2.1GB/s there is not benefit to using RAM with a maximum bandwidth of 2.7GBs unless you intend to run the CPU on a 333MHz FSB, not something i would recomend unless you are using an nForce 2 mobo or similar board that locks the PCI and AGP bus frequency.

  [DELETED] 22:21 26 Sep 2003

Thanks all

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