Usb Keyboard Support; Onboard Parallel Port - Gigabyte GA-770T-USB3 User Manual

Onchip USB Controllers (Onboard USB 1.1 Controllers)
Enables or disables the integrated USB 1.1 controller. (Default: Enabled)
Disabled will turn off all of the USB functionalities below.
USB EHCI Controller (Onboard USB 2.0 Controllers)
Enables or disables the integrated USB 2.0 controller. (Default: Enabled)

USB Keyboard Support

Allows USB keyboard to be used in MS-DOS. (Default: Enabled)
USB Mouse Support
Allows USB mouse to be used in MS-DOS. (Default: Disabled)
Legacy USB storage detect
Determines whether to detect USB storage devices, including USB flash drives and USB hard drives
during the POST. (Default: Enabled)
Onboard Serial Port 1
Enables or disables the first serial port and specifies its base I/O address and corresponding interrupt.
Options are: Auto, 2F8/IRQ3, 3F8/IRQ4(default), 3E8/IRQ4, 2E8/IRQ3, Disabled.

Onboard Parallel Port

Enables or disables the onboard parallel port (LPT) and specifies its base I/O address and correspond-
ing interrupt. Options are: 378/IRQ7 (default), 278/IRQ5, 3BC/IRQ7, Disabled.
Parallel Port Mode
Selects an operating mode for the onboard parallel (LPT) port. Options are: SPP (Standard Parallel Port)
(default), EPP (Enhanced Parallel Port), ECP (Extended Capabilities Port), ECP+EPP.
ECP Mode Use DMA
Selects DMA channel for the LPT port in ECP mode. This item is configurable only if Parallel Port Mode
is set to ECP or ECP+EPP mode. Options are: 3 (default), 1.
- 47 - BIOS Setup