Slow Down Problem

[Sukh]

Can anyone help? My PC has started to boot up really slowing recently (about 1 month) and sometimes just hangs on the POST screen until I restart when it says 'BAD Check Sum' and I have to enter default values. I think the problems with my M/B but don't know how to check it (No viruses, conflicts etc) I'm running a Athlon XP 2400 on a Asrock K7S8X board with 512mb ddr 3200. Can anyone point me in the right direction to sort this out. Thanks

 

[Crashman]

The first thing I'd try is pushing your RAM down to CPU bus speed (133MHz, DDR266, PC2100 speed).

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[Sukh]

Thanks for replying, I had been using PC2100 DDR it's only now (after a few weeks of the system slowing down) that I upgraded to PC3200. Hoping that would fix the problem but alas no. I'll try it anyway (nothing to lose). Thanks