Dell Precision 490 Desktop User Manual

Also see for Precision Workstation 490: Quick reference guide Quick reference guide Quick guide Specifications

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(On default) NOTE: Drive 4 can be enabled or disabled whenSATA 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 asfollows:This SATA port is disabled because the systemhas been configured for ATA mode.Drives 5 through 6(On default)Enables or disables a PATA device (such as a CDor DVD drive). On enables the interface so thatthe device can be used.Displays the Controller type (ATA), Port numberthe drive is using, Drive ID number, Capacity, andwhether the drive is controlled by the BIOS.SATA Operation(RAID Autodetect/ AHCIdefault)Determines the integrated SATA controller'soperating mode. RAID Autodetect/ AHCI – RAIDif the drives are signed, otherwise AHCI. RAIDAutodetect/ ATA – RAID if the drives are signed,otherwise ATA. RAID On – SATA is configured forRAID on every boot. Combination – SATA/ PATAcombination mode.Onboard DevicesIntegratedNIC(Ondefault)Enables or disables the integrated NIC controller. Settings areOn, Off, On w/RPL, or On w/ PXE. When the On w/ PXE orthe On w/RPL setting is active, if a boot routine is notavailable from the network server, the computer attempts toboot from the next device in the boot sequence list.IntegratedAudio(Ondefault)Enables or disables the onboard audio controller.USBController(Ondefault)Enables or disables the internal USB controller. No Bootenables the controller but disables the ability to boot from aUSB device.NOTE: Operating systems with USB support will recognize USBfloppy drives regardless of the No Boot setting.Front USBPorts(Ondefault)Enables or disables the front USB ports.USB forFlexbay(Ondefault)On enables internal USB for FlexBay.NOTE: This USB option appears only if a FlexBay device isinstalled.LPT PortMode(PS/2default)Determines the mode of operation of the internal parallel port.Off disables the port. AT configures the port for ATcompatibility. PS/2 configures the port for PS/2 compatibility.EPP configures the port for the EPP bidirectional protocol. ECPconfigures the port for the ECP bidirectional protocol.NOTE: If you set the LPT Port Mode to ECP, the LPT PortDMA appears in the option menu.LPT PortAddress Determines the address that the built-in parallel port uses.Serial Port#1(Autodefault)Determines how the serial port operates.Auto, the default setting, automatically configures a connectorto a particular designation (COM1 or COM3).Serial Port#2(Autodefault)Determines how the serial port operates.Auto, the default setting, automatically configures a connectorto a particular designation (COM2 or COM4).PS/2 MousePort(Ondefault)Enables or disables the integrated legacy PS/2-compatiblemouse controller.Video