The table below shows the functions for the jumpers on the memory card.

Memory card jumper settings

Jumper number

Function

1

2

3

 

 

 

 

 

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 computer first:

1.Remove the retaining screw from the bracket on the memory card, as shown below.

Installing Option Cards

5-9