Dell Dimension XPS 50 Reference Manual page 143

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Parallel port Configures the parallel port. Set this option to Auto (default),
Enabled, or Disabled. Depending on the port setting, you
can set the following additional options:
Mode If port is set to Auto or Enabled, available modes are
Output Only, Bi-Directional, ECP , and EPP . Bidirectional is
the default setting.
NOTE: Refer to the device manufacturer's documentation
for information on which mode to use before changing this
setting.
Base I/O If port is set to Enabled, available I/O addresses are 378h
(default), 278h, 3BC, and 228h.
Address
Interrupt If port is set to Enabled, available interrupts are IRQ7 and
IRQ5.
Audio NOTE: This option is available in integrated audio systems only.
Determines if integrated audio controller is Enabled (default)
or Disabled. Set this option to Disabled if you are using a
sound card instead of the integrated audio controller or if the
resources used by the controller are needed.
Legacy Set to Disabled (default) if legacy universal serial bus (USB)
USB Support support is not desired. Enabled allows support for legacy
USB.
NOTE: The Glossary in the system Help defines abbreviations and acronyms.


System Setup Program B-9