Configure Ultra Performance Computing (BIOS)

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Before You Begin

To use this feature you must have an Oracle Server X5-4 or Oracle Server X5-8 with the Oracle Linux or Oracle Solaris operating system installed.

Before enabling Ultra Performance Computing:

Enable any cores that are disabled by the operating system.
- For Oracle Solaris see Configure Elastic Computing (Oracle Solaris Operating System)
- For Oracle Linux see Configure Elastic Computing (Oracle Linux Operating System)
For Oracle Linux operating systems, disable Intel native drivers.
1. Add intel_pstate=disable intel_idle.max_cstate=0 to the grub.cfg or grub.conf kernel line.
2. Reboot your system.

Start the BIOS Setup Utility.
1. Power on the system.
2. To enter the BIOS setup menu, when the POST appears, press:
  - F2 if you are connected through a Java console.
  - Control-E if you are connected through a serial console.
Select Advanced > CPU Power Management Configuration.
Use the Ultra Performance Mode pull-down menu to select the number of cores you want to be active.
1. Highlight the desired number of active cores in the list.
2. Press the Enter key.
  The Ultra Performance Mode pull-down menu exits and the your selection appears on the Advanced > CPU Power Management Configuration page.
  
  If you selected 4, 8, or 12 cores, all other selections on the Advanced > CPU Power Management Configuration page are disabled.
After you are finished, select F10 to save your work and exit the BIOS Setup Utility.

See Also