HPET Support

Common Options : Enabled, Disabled

Quick Review

The HPET, short for High Precision Event Timer, is a new system timer developed by Intel and Microsoft to replace the four system timers currently in use.

Because of its higher precision and performance, it is naturally desirable to use the HPET instead of the older system timers. However, older operating systems do not support HPET. This is where the HPET Support BIOS option comes in.

Setting it to Enabled allows the operating system and applications to use the High Precision Event Timer (HPET) for higher precision and better performance.

Setting it to Disabled disables the High Precision Event Timer (HPET). The operating system and applications will use the older system timers instead.

If you are using a newer operating system like Windows Vista or Windows 2008, you should enable this BIOS option. Other operating systems that support HPET include Linux 2.6, FreeBSD and x86 versions of Mac OS X.

If you are using an older operating system like Windows XP or Windows Server 2003, you should disable this BIOS option.

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