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Changing the jumper settings – Epson 2000 User Manual

Page 47

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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