Epson 2000 Changing the Jumper Settings

Changing the Jumper Settings

The jumpers on the main system board control certain functions and are preset at the factory to default positions; however, you can use the information in the following tables to change their settings, if necessary.

Jumpersettings

Jumper	Jumper
number	setting	Function
J3	1-2	Enables VGA IRQ
	OFF*	Disables VGA IRQ
J6	1-2 *	Enables COM1
	2-3	Disables COM1
J7	1-2*	Assigns COM1 serial port as COM1 (3F8H-3FFH)**
	2-3	Assigns COM1 serial port as COM3 (3E8H-3EFH)**
J8	1-2 *	Enables	COM2
	2-3	Disables	COM2
J9	1-2*	Assigns COM2 serial port as COM2 (2F8H-2FFH)**
	2-3	Assigns COM2 seriaI port as COM4 (2E8H-2EFH)**
J10	1-2 *	Enables	parallel		port
	2-3	Disablesparallel			port
J11	1-2*	Assigns parallel port as LPT1 (378H-37FH)**
	2-3	Assigns parallel port as LPT2 (278H-27FH)**
J12	1-2	Enablesgame		port
	2-3*	Disablesgame		port
J13	1-2 *	Enables	diskette		drive	controller
	2-3	Disables	diskette		drive	controller
J14	1-2 *	Enables the IDE hard disk drive controller
	2-3	Disablesthe IDE hard disk drive controller
J15	1-4	Selectsexternal			battery
	2-3 *	Selects the system board battery
	3-4	Discharges CMOS memory (this resets the SETUP
		values to	their	factory		defaults)

3-6 Installing and Removing Options