Table A-4 shows the jumpers on the multi-function card that control the serial port.

Table A-4. Multi-function card jumper settings for serial port

5Jumpert3number

9

Function

 

 

 

 

 

 

 

 

A

A

A

Enable

built-in port as primary *

A

B

B

Enable

built-in port as secondary

B

 

 

Disable built-in port

Default setting

To access the multi-function card jumpers, you need to remove the card from the computer:

1.Unplug the disk drive cable from the card as shown in Figure A-6. Pull it straight up and out, then lay it to one side.

Figure A-6. Disconnecting disk drive cable

from multi-function card

2.Remove the retaining screw from the multi-function card at the back panel of the computer, as shown in Figure A-7.

User’s Guide

A-7