I've only found this Solaris blog, but don't understand it well enough: http://blogs.sun.com/gavinm/entry/amd_opteron_athlon64_turion64_fault Can't provide you more details, because my dedicated server is under hoster's "hardware tests" since 5 hours :-( (and I guess everyone will run home for the Germany-Spain game soon) Regards Alex >> > MCE 0 >> > HARDWARE ERROR. This is *NOT* a software problem! >> > Please contact your hardware vendor >> > CPU 0 4 northbridge TSC 111a60c5584d4 [at 2500 Mhz 1 days 9:25:51 >> > uptime (unreliable)] >> > MISC c008000001000000 ADDR 1148f5940 >> > Northbridge NB Array Error >> > bit35 = err cpu3 >> > bit42 = L3 subcache in error bit 0 >> > bit43 = L3 subcache in error bit 1 >> > bit46 = corrected ecc error >> > bit59 = misc error valid >> > memory/cache error 'generic read mem transaction, generic >> > transaction, level generic' >> > STATUS 9c1f4cf8001c011b MCGSTATUS 0 >> > No DIMM found for 1148f5940 in SMBIOS