Artesyn ATCA-7365-CE Installation and Use (May 2014) - Manual (Page 101)

BIOS
ATCA-7365-CE Installation and Use (6806800L73J) 101
4.5 BIOS Setup Configuration
4.5.1 Main
4.5.2 Advanced
4.5.2.1 Advanced -> CPU Configuration
Table 4-4 Main Configuration
Item Values Description
System Date [Thu 11/11/2010] Set the Date.
Use Tab to switch between Date elements
System Time [15:48:21] Set the Time.
Use Tab to switch between Time elements
Table 4-5 CPU Configuration
Item Values Description
Hyper-threading Enabled (Default)
Disabled Enabled for OS optimized for Hyper-Threading
Technology, Disabled for other OS not optimized for Hyper
Threading Technology. When Disabled only one thread per
enabled core is enabled.
Active Processor Core All (Default)
1, 2, 3, 4, 5 Number of cores to enable in each processor package.
Limit CPUID Maximum Enabled
Disabled (Default) If set to enabled, limits the CPUID instruction function 0 to
return a maximum value of 3. Some operating systems like
Windows NT cannot handle a value greater than 3.
Default value is disabled. The CPUID instruction function 0
returns the number of the maximum standard functions.