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EPROM 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
JumperZnumber
Function
1
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
l
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