Changing the Jumper Settings

The jumpers on the system board are preset to factory default positions, indicated by an asterisk (*) in the tables below. (See the illustration under “Locating the System Board Components” to locate jumpers.) Use the information in this section to change jumper settings, if necessary.

Note

Any jumpers not listed in the following tables are for service purposes only. Do not change their settings.

Miscellaneous jumper settings

Jumper

 

Jumper

 

 

 

 

number

 

setting

Function

 

 

 

 

 

 

JP2

 

1-2 *

Enables on-board I/O controller

 

 

2-3

Disables on-board I/O controller

 

 

 

 

 

 

 

JP25

 

Off*

Enables

PCI

IDE

controller

 

 

On

Disables

PCI

IDE

controller

 

 

 

 

JP49

 

On

Clears CMOS memory (resets SETUP values to

 

 

 

factory

defaults)

 

 

 

Off*

Normal

CMOS values

 

 

 

 

JP50

 

1-2 *

Enables on-board VGA controller

 

 

2-3

Disables on-board VGA controller

 

 

 

 

 

 

 

* Default

setting

 

 

 

 

Parallel port ECP mode DRQ jumper-settings

Installing and Removing Options

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