Siemens PC 670 manual SubmenuCOM/LPT Configuration, Dos, Other

Configuring the Computing Unit in BIOS Setup Release 04/02

Large Disk	[DOS]	The drive tables are adapted for DOS access operations
Access Mode		in accordance with Enhanced IDE.
	[OTHER]	The tables are not adapted.
Memory Gap at	[Disabled] The complete onboard RAM memory is available.
15 MByte	[Enabled] A 1MB area of the RAM above 15MB
		(Addresses F0 0000 – FF FFFF) can be used by ISA
		expansion cards.

Submenu“COM/LPT Configuration”
			PhoenixBIOS Setup Utility
		Advanced
		COM/LPT Configuration				Item Specific Help
	Internal COM 1:			[Enabled]		Configure serial port A
		Base I/O address:		[3F8]		using options:
		Interrupt:		[IRQ 4]		[Disabled]
	Internal COM2:			[Enabled]
							No configuration
		Base I/O address:		[2F8]
		Interrupt:		[IRQ 3]		[Enabled]
	Internal LPT1:			[Enabled]			User configuration
		Mode:		[Output only]		[Auto]
		Base I/O address:		[378]
							BIOS or OS chooses
		Interrupt:		[IRQ 7]
							configuration
						[OS Controlled]
							Displayed when
							controlled by OS
	F1	Help	Select Item	+ / –	Change Values		F9	Setup Defaults
	ESC	Exit	Select Menu	Enter	Select	Sub-Menu	F10	Save and Exit
Figure 5-10	”COM/LPT Configuration” Submenu

The resources used by an interface are released when you disable the interface in question.

The I/O addresses and interrupts are preassigned to be operated as COM1, COM2 and LPT1 and we recommend you use them accordingly.

5-16 Panel PC 670 Computing Unit, Equipment Manual