Dell OptiPlex 990 Service Manual

Download Service manual of Dell OptiPlex 990 Desktop Desktop for Free or View it Online on All-Guides.com.

Brand: Dell

Category: Desktop

Type: Service manual for Dell OptiPlex 990 Desktop

Pages: 94

Download Dell OptiPlex 990 Desktop Service manual

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Performance
Intel® TurboBoost Allows you to enable or disable Inel TurboBoost mode of the
processor.
Disabled — Does not allow the TurboBoost driver to
increase the performance state of the processor above the
standard performance.
Enabled — Allows the Intel Turbo driver to increase the
performance of the CPU or graphics processor.
This option is enabled by default.
Hyper-Thread Control Allows you to enable or disable the Hyper-Threading
Technology. This option is enabled by default.
Power Management
AC Recovery Determines how the system responds when AC power is re-
applied after a power loss. You can set the AC Recovery to:
Power Off (default)
Power On
Last State
Auto On Time Allows you to set the option to automatically turn on the
computer. Time is kept in standard 12-hour format
(hour:minutes:seconds). Change the startup time by typing the
values in the time and AM/PM fields.
NOTE: This feature does not work if you turn off your
computer using the switch on a power strip or surge
protector or if Auto Power is set to disabled.
Deep Sleep Control Allows you to define the controls when Deep Sleep is enabled.
Disabled
Enabled in S5 only
Enabled in S4 and S5
This option is Disabled by default.
Fan Control Override Controls the speed of the system fan. This option is disabled by
default.
NOTE: When enabled, the fan runs at full speed.
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