NEC MH4500 manual Advanced Chipset Control Submenu, I/O Device Configuration Submenu

I/O Device Configuration Submenu

Feature	Choices	Description	Your Setting
(Serial Port A)	OS Controlled	configure the port.
Base I/O Address	3F8	Selects the base I/O address for
	2F8	COM port 1.
	3E8
	2E8
Interrupt	IRQ 3	Selects the IRQ for COM port 1.
	IRQ 4
COM 2:	Disabled	Auto forces BIOS to configure the
(Serial Port B)	Enabled	port.
	Auto	OS Controlled forces OS to
	OS Controlled	configure the port.
Base I/O Address	3F8	Selects the base I/O address for
	2F8	COM port 2.
	3E8
	2E8
Interrupt	IRQ 3	Selects the IRQ for COM port 2
	IRQ 4
Parallel Port	Disabled	Auto forces BIOS to configure the
	Enabled	port.
	Auto	OS Controlled forces OS to
	OS Controlled	configure the port.
Mode	Output only	Selects parallel port mode.
	Bi-directional
	EPP
	ECP
Base I/O Address	378	Selects the base I/O address for
	278	LPT port.
		Not available in ECP or EPP
		modes.
Interrupt	IRQ 5	Selects the IRQ for LPT port.
	IRQ 7
DMA channel	DMA 1	Selects the DMA for LPT port.
	DMA 3
Floppy disk controller	Disabled	Enables onboard diskette
	Enabled	controller.
PS/2 Mouse	Auto	Enables or disables onboard
	Disabled	mouse. Disabling frees up IRQ 12.
	Enabled	If enabled, the OS can determine
		whether to enable or disable
		mouse.

Advanced Chipset Control Submenu

The following table lists the settings for the Advanced Chipset Control submenu.

Configuring Your System 3-9