Dell T3400 manual LPT Port Address, 378h default 278h 3BCh Serial Port #1, PS/2 Mouse Port

Front USB	Enables or disables the front USB ports.
(On default)	• Off — The USB group is disabled.
	• On — The USB group is enabled.
LPT Port Mode	Specifies the mode of operation for the integrated parallel port.
(PS/2 default)	• Off — The port is disabled.
	• AT — The port is configured for IBM AT compatibility.
	• PS/2 — The port is configured for IBM PS/2 compatibility.
	• EPP — The port is configured for Enhanced Parallel Port
	protocol.
	• ECP — The port is configured for Extended Capability Port
	protocol.
LPT Port Address	Specifies the base I/O address for the integrated parallel port.
(378h default)	• 378h
	• 278h
	• 3BCh
Serial Port #1	Disables or selects the address for the integrated serial port and
(Auto default)	determines how the serial port operates.
	• Off — The serial port is disabled.
	• Auto — The BIOS selects between COM1 and COM3; if both
	resources are in use, the port is disabled.
	• COM1 — The port is configured at 3F8h with IRQ 4.
	• COM3 — The port is configured at 3E8h with IRQ 4.
PS/2 Mouse Port	Enables or disables the integrated PS/2-compatible mouse
(On default)	controller.
	• Off — The PS/2 legacy mouse port is disabled.
	• On — The PS/2 legacy mouse port is enabled.

System Setup

85