Dell Precision T3400 User's Guide - Page 85
LPT Port Address, PS/2 Mouse Port
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Front USB (On default) LPT Port Mode (PS/2 default) LPT Port Address (378h default) Serial Port #1 (Auto default) PS/2 Mouse Port (On default) Enables or disables the front USB ports. • Off - The USB group is disabled. • On - The USB group is enabled. Specifies the mode of operation for the integrated parallel port. • 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. Specifies the base I/O address for the integrated parallel port. • 378h • 278h • 3BCh Disables or selects the address for the integrated serial port and 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. Enables or disables the integrated PS/2-compatible mouse controller. • Off - The PS/2 legacy mouse port is disabled. • On - The PS/2 legacy mouse port is enabled. System Setup 85