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 corresponding 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.

GA-N650SLI-DS4L Motherboard

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Intel GA-N650SLI-DS4L user manual Legacy USB storage detect, Onboard Serial Port, Onboard Parallel Port, Parallel Port Mode