Acer 3000 series manual Advanced, Parameter Description Options, IRQ7/IRQ5, DMA3/DMA1

Advanced

The Advanced menu screen contains parameters involving your hardware devices. It also provides advanced settings of the system.

PhoenixBIOS Setup Utility

Information	Main	Advanced		Security	Boot	Exit
Parallel port:				[Enabled]	Item Specific Help
Mode:				[Bi-direct]
Base I/O address:				[378]	Configure Infrared Port
Interrupt:				[IRQ 7]
DMA channel				[DMA3]	using options:
					[Auto]
					Disable the touchpad if an
					external PS/2 mouse is
					connected. Otherwise
					enable the touchpad
					[Both]
					The touchpad is always
					enabled. Any external PS/2
					mouse connected will be
					enabled at the same time.
F1 Help	↑ ↓ Select Item		F5/F6 Change Values			F9 Setup Defaults
Esc Exit	← → Select Menu		Enter	Select 4Sub-Menu		F10 Save and Exit

The table below describes the parameters in the screen. Settings in boldface are the default and suggested parameter settings.

Parameter	Description	Options
Serial Port	Enables, disables or auto detects the serial port.	Enabled/Disabled/Auto
Parallel Port	Enables, disables or auto detects the parallel port.	Enabled/Disabled/Auto
Mode	Sets the operation mode of the parallel port.	ECP, EPP, Normal or Bi-directional
Base I/O address	Sets the I/O address of the parallel port. This	378h/278h/3BCH
	parameter is enabled only if Mode is set to ECP or
	Bi-directional. This parameter is enabled only if
	Mode is set to ECP.
Interrupt	Sets the interrupt request of the parallel port.	IRQ7/IRQ5
DMA channel	Sets a DMA channel for the printer to operate in	DMA3/DMA1
	ECP mode. This parameter is enabled only if Mode
	is set to ECP.

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