This has something to do with the timing issues between the cores. Download AMD Athlon™ 64 X2 Dual Core Processor Driver Version 1.3.2.0053 for Windows XP and Windows Server 2003 (x86 and x64) from AMD Athlon™ 64 X2 Dual Core Processor Utilities & Updates to have it fixed.

One Response to “Negative Ping values when using AMD multi core processors”

1. manoakys says:

   July 17, 2008 at 10:52 pm

   Hey, thankyou, I had this problem and driver update fixed it.