0EPROM size. You can change the EPROM size jumper if you install a different size of EPROM.

In all cases, make sure you need to alter the jumper settings for the option you are installing before you change anything.

Table A-l shows the functions for the jumpers on the memory card.

Table A-1. Memory card jumper settings

1

JumperZnumber 3

Function

 

A

A

640KB *

B

A

512KB (disable upper 128KB)

B

B

256KB (disable upper 384KB)

 

A

Select EPROM size 27128*

 

B

Select EPROM size 27256

 

 

 

•Default setting

To access the memory card jumpers, you need to remove the card from the main unit first:

1.Remove the retaining screw from the bracket on the memory card, as shown in Figure A-3.

Figure A-3. Removing memory card retaining screw

User’s Guide