Dell Alienware M18x (Early 2011) - Manual (Page 7)

Memory Bank 0 Displays the memory size installed in DIMM A.
Memory Bank 1 Displays the memory size installed in DIMM B.
Memory Bank 2 Displays the memory size installed in DIMM C.
Memory Bank 3 Displays the memory size installed in DIMM D.
Advanced Menu
Intel SpeedStep Allows you to enable or disable the Intel SpeedStep technology. Disabling this feature may improve performance, but will
greatly reduce battery life.
Virtualization Allows you to enable or disable the Intel Virtualization technology.
USB Emulation Allows you to enable or disable the USB emulation feature. This feature defines how the BIOS, in the absence of a USB-aware
operating system, handles USB devices. USB emulation is always enabled during POST.
NOTE: You cannot boot any type of USB device (floppy, hard drive, or memory key) when this option is off.
USB Wake Support Allows you to enable USB devices to wake the computer from standby or to disable the USB wake support feature.
NOTE: If USB Powershare is enabled, a device connected to the USB Powershare connector may not wake the computer.
USB Power Share Allows you to charge USB devices when the computer is turned off or in standby mode.
l AC Only: Charge USB devices when connected to AC adapter only.
l AC and Battery: Charge USB devices when connected to AC adapter and when the computer is running on battery.
l Disabled: Disables USB Powershare.
Integrated Network Allows you to enable or disable the on-board LAN controller.
l Disabled: Internal LAN is disabled and is not visible to the operating system.
l Enabled: Internal LAN is enabled.
High Definition Audio Allows you to enable or disable the internal high definition audio device.
l Disabled: The internal audio device is disabled and is not visible to the operating system.
l Enabled: The internal audio device is enabled.
SD Card Reader Allows you to enable or disable the internal SD card reader.
CPU Turbo Mode Allows you to enable or disable the Intel CPU turbo mode performance option.
Performance Options Allows you to configure fields in the Performance Options sub-menu (for more information, see Advanced Menu—Performance
Options .
SATA Operation Allows you to configure the operating mode of the integrated SATA hard drive controller.
l AHCI: SATA is configured for AHCI mode.
l RAID: STAT is configured for RAID mode.
SATA HARD DRIVE 1 Displays the installed primary SATA hard drive model.
SATA HARD DRIVE 2 Displays the installed secondary SATA hard drive model.
Adapter Warnings l Allows you to choose if the computer should display warning messages when you use AC adapters that are not
supported by your computer.
l Enabled: BIOS will detect unsupported AC adapters and display an error on the screen.
Charger Behavior Allows you to enable or disable battery charging.
Primary Display Allows you to choose a primary display
Advanced Menu—Performance Options
Overclocking Feature Allows you to enable or disable the global overclocking feature.
l Disabled: The overclocking feature is disabled.
l Enabled: Displays additional overclocking options.
Non-Turbo Flex Support Allows you to modify the CPU flex ratio with Turbo Mode disabled.
Flex Ratio Override Appears when Non-Turbo Flex is enabled and allows you to specify the flex ratio for all CPU cores.
Extreme Edition Allows Extreme Edition CPUs to adjust the flex ratio in a Turbo Mode environment that allows each individual core ratio to be
modified.
Extreme Edition Core Allows you to modify the flex ratio of individual cores physically present in the CPU.