Server "dual core" amd64 turns much too quickly

[tictac]

hello, I have to create a server "Cs source" linux debian amd64. Is the problem it that my server turns much too quickly, there would be a solution? Thank you

hardware:

processor: amd 3800+ dual core pro 2Ghz
motherboard: msi ms-7168 ati chipset
hard-drives: 2xraptor 74Gb 10.000Rpm
Ram: Twinx Corsair XMS 2x512Mo PC3200LL Cas 2 ECC Registered