BECKHOFF CX50x0 - Manual (Page 61)

Notes on the documentation
CX50x0 - Hardware Documentation 59
HPET power management
This menu is used for HPET settings.
Phoenix - AwardBIOS CMOS Setup Utility
HPET Feature
HPET Support [Enable] Item Help
HPET Mode [32-bit mode]
↑ ↓ → ← :Move Enter:Select +/-/PU/PD:Value F10:Save ESC:Exit F1:Help
F5: Previous Values F6: Fail-Safe Defaults F7: Optimized Defaults
HPET Support
Activates or deactivates HPET support . It is a kind of timer within the PC that is able to trigger an interrupt with very
high precision, thereby enabling other programs to better synchronise various applications. If multimedia applications
are used this option should be enabled. Setting options: Enabled, Disabled.
HPET Mode
Two operating modes are available: 32-bit mode and 64-bit mode.