Dell Precision 490 - Manual (Page 16)

(On default)
NOTE: Drive 4 can be enabled or disabled when
SATA Operation is set to RAID Autodetect/AHCI.
In other modes, this field might be non-functional.
In this case, the text in the Drive 4 field reads as
follows:
This SATA port is disabled because the system
has been configured for ATA mode.
Drives 5 through 6
(On default)
Enables or disables a PATA device (such as a CD
or DVD drive).
On enables the interface so that
the device can be used.
Displays the Controller type (ATA), Port number
the drive is using, Drive ID number, Capacity, and
whether the drive is controlled by the BIOS.
SATA Operation
( RAID Autodetect/ AHCI
default)
Determines the integrated SATA controller's
operating mode. RAID Autodetect/ AHCI – RAID
if the drives are signed, otherwise AHCI. RAID
Autodetect/ ATA – RAID if the drives are signed,
otherwise ATA. RAID On – SATA is configured for
RAID on every boot. Combination – SATA/ PATA
combination mode.
Onboard Devices
Integrated
NIC
(On
default)
Enables or disables the integrated NIC controller. Settings are
On, Off, On w/RPL, or On w/ PXE. When the On w/ PXE or
the On w/RPL setting is active, if a boot routine is not
available from the network server, the computer attempts to
boot from the next device in the boot sequence list.
Integrated
Audio
(On
default)
Enables or disables the onboard audio controller.
USB
Controller
(On
default)
Enables or disables the internal USB controller. No Boot
enables the controller but disables the ability to boot from a
USB device.
NOTE: Operating systems with USB support will recognize USB
floppy drives regardless of the No Boot setting.
Front USB
Ports
(On
default)
Enables or disables the front USB ports.
USB for
Flexbay
(On
default)
On enables internal USB for FlexBay.
NOTE: This USB option appears only if a FlexBay device is
installed.
LPT Port
Mode
(PS/2
default)
Determines the mode of operation of the internal parallel port.
Off disables the port. AT configures the port for AT
compatibility. PS/2 configures the port for PS/2 compatibility.
EPP configures the port for the EPP bidirectional protocol. ECP
configures the port for the ECP bidirectional protocol.
NOTE: If you set the LPT Port Mode to ECP, the LPT Port
DMA appears in the option menu.
LPT Port
Address
Determines the address that the built-in parallel port uses.
Serial Port
#1
(Auto
default)
Determines how the serial port operates.
Auto, the default setting, automatically configures a connector
to a particular designation (COM1 or COM3).
Serial Port
#2
(Auto
default)
Determines how the serial port operates.
Auto, the default setting, automatically configures a connector
to a particular designation (COM2 or COM4).
PS/2 Mouse
Port
(On
default)
Enables or disables the integrated legacy PS/2-compatible
mouse controller.
Video