NW65Sp6.
disable in the BIOS Hyper-Threading.
Up Server.
Go to the NRM | Manager Hwarware | Processors
and see this :

Processor 0 on line
Intel(R) Xeon(TM) CPU 2.80GHz
Speed 2793 MHZ, Family 15, Model 4, Stepping 1
Feature flags 0000641D:BFEBFBFF, CPUID: GenuineIntel
L1 cache 28K Bytes, , L2 cache: 1024K Bytes
Instruction TLB: 128 entries, Data TLB: 64 entries
Logical CPUs (Hyper-Threading) per Physical CPU: 1
Processor Initial APIC ID: 0

Processor 1 on line..... Stop processor
Intel(R) Xeon(TM) CPU 2.80GHz
Speed 2793 MHZ, Family 15, Model 4, Stepping 1
Feature flags 0000641D:BFEBFBFF, CPUID: GenuineIntel
L1 cache 28K Bytes, , L2 cache: 1024K Bytes
Instruction TLB: 128 entries, Data TLB: 64 entries
Logical CPUs (Hyper-Threading) per Physical CPU: 1
Processor Initial APIC ID: 6

Why i see Hyper-Threading if disable it in the BIOS ?

Serg