Dell OptiPlex 780 - Manual (Page 11)

Disable
AT
PS/2 (default)
EPP
ECP No DMA
ECP DMA 1
ECP DMA 3
Parallel Port
Address Sets the base I/O address of the integrated parallel port.
Serial Port #1 Identifies and defines the serial port settings. You can set the serial port to:
Disable
Auto (default)
COM1
COM3
NOTE: Auto, the default setting, automatically configures a connector to a particular designation
(COM1 or COM3).
Miscellaneous
Devices Enables or disables the following onboard devices:
Front USB
Rear Dual USB
Rear Quad USB
PCI slots
Audio
Video
Primary Video Specifies which video controller is primary when two video controllers are present on the computer.
Auto (default)
Onboard/PEG
Performance
Multi Core Support Specifies whether one or all the cores of the processor will be enabled.
NOTE: The performance of some applications improve with additional cores.
Intel® SpeedStep™ Enables or disables the Intel SpeedStep mode.
This option is disabled by default.
Limit CPUID Value Enables or disables the CPUID limit.
This option is disabled by default.
HDD Acoustic Mode Sets the performance speed and noise level of your hard drive to:
Bypass (default)
Quiet
Suggested
Performance
Virtualization Support
VT for
Direct I/O Enables or disables the Virtual Machine Monitor (VMM) from utilizing the additional hardware capabilities
provided by Intel Virtualization technology for direct I/O.
Security
Administrative
Password Provides restricted access to the computer's system setup program in the same way that access to
the system can be restricted with the System Password option.
This option is not set by default.
System
Password Displays the current status of the system's password security feature and allows a new system