Dell 900 manual Setting, Disabled

Table B-7. Onboard Peripherals Screen Menu Options (continued)

Option	Function
IRQ	If port is set to Enabled, available interrupts are 7 (default)
	and 5.
Operation	Sets parallel port to EPP (default), ECP, Standard, or
Mode	Bi-Directionalmode of operation.
	NOTE: See the device manufacturer's documentation for
	information on which mode to use before changing this
	setting.
ECP DMA	If operation mode is set to ECP, sets the DMA channel to 1
Channel	(default) or 3.
Floppy Disk	Determines if the diskette-drive controller is Enabled
Controller	(default) or Disabled.
PS/2 Mouse	Determines if the mouse controller is Enabled (default) or
Controller	Disabled.
IDE Controller	Determines the IDE controller mode. Selections are Both
	(default), Primary, or Disabled.
USB Host	Determines if the USB host controller is Enabled (default) or
Controller	Disabled. If set to Enabled, you can set the following addi-
	tional option:
USB Legacy	Set to Disabled (default) if legacy USB support is not
Mode	desired. Enabled allows support for legacy USB devices.
	NOTE: USB Legacy Mode automatically sets to Disabled if a
	PS/2 keyboard is detected by the system during POST.

NOTE: The Glossary in the system Help defines abbreviations and acronyms.

B-10 Dell Dimension 900 System Reference and Troubleshooting Guide