ASROCK 990FX PROFESSIONAL User Manual download pdf (Page 61)

Cool ‘n’ Quiet

Use this item to enable or disable AMD’s Cool ‘n’ Quiet

technology. The

default value is [Enabled]. Conﬁ guration options: [Enabled] and [Disabled].

If you install Windows

7 / Vista

and want to enable this function, please

set this item to [Enabled]. Please note that enabling this function may re-

duce CPU voltage and memory frequency, and lead to system stability or

compatibility issue with some memory modules or power supplies. Please

set this item to [Disable] if above issue occurs.

Secure Virtual Machine

When this option is set to [Enabled], a VMM (Virtual Machine Architecture)

can utilize the additional hardware capabilities provided by AMD-V. The

default value is [Enabled]. Conﬁ guration options: [Enabled] and [Disabled].

Enhance Halt State (C1E)

All processors support the Halt State (C1). The C1 state is supported

through the native processor instructions HLT and MWAIT and requires no

hardware support from the chipset. In the C1 power state, the processor

maintains the context of the system caches.

CPU Thermal Throttle

Use this item to enable CPU internal thermal control mechanism to keep

the CPU from overheated. The default value is [Auto].

3.4.1 CPU Configuration

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ASROCK 990FX PROFESSIONAL User Manual Page 61