System Setup Options: Dell OptiPlex GX1 Small-Form-Factor System User's Guidefile:///C|/infodev/2013/eDoc/OpGX1/UG/setupopt.htm[2/21/2013 11:47:16 AM]Wakeup On LANWakeup On LAN determines whether the Wakeup On LAN feature is set to On or Off. You must rebootyour system before a change takes effect.SoundSound determines whether the integrated audio controller is On or Off. You must reboot your system beforea change takes effect.NICNIC determines whether an integrated network interface controller (NIC) is On or Off. You must reboot yoursystem before a change takes effect.MouseMouse enables or disables the system’s built-in PS/2-compatible mouse port. Disabling the mouse allowsan expansion card to use IRQ 12.Serial Port 1 and Serial Port 2Serial Port 1 and Serial Port 2 configure the system’s built-in serial ports. These options can be set to Auto(the default) to automatically configure a port, to a particular designation (COM1 or COM3 for Serial Port 1;COM2 or COM4 for Serial Port 2), or to Off to disable the port.If you set a serial port to Auto and add an expansion card containing a port configured to the samedesignation, the system automatically remaps the built-in port to the next available port designation thatshares the same IRQ setting as follows:COM1 (input/output [I/O] address 3F8h), which shares IRQ4 with COM3, is remapped to COM3 (I/Oaddress 3E8h).Likewise, COM2 (I/O address 2F8h), which shares IRQ3 with COM4, is remapped to COM4 (I/Oaddress 2E8h).NOTES: When two COM ports share an IRQ setting, you can use either port as necessary, but youmay not be able to use them both at the same time. If the second port (COM3 or COM4) is also inuse, the built-in port is turned off.If you are using the Microsoft® Windows® 95 or IBM® OS/2® operating system, you cannot use bothserial ports at the same time.Parallel PortParallel Port configures the system’s built-in parallel port. This option can be set to 378h (the default), to