Removing Memory Card Retaining Screw; Memory Card Jumper Settings - Epson Equity III User Manual

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
Jumper number
1 2 3 4
A A A
B A A
B B A
B B B
A
B
* 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
2. Lift the card gently out of the computer, taking care not to catch it on
any cables inside the computer. Set it on a soft surface, such as a towel,
with the component side facing up,
Function
7
5 6
640KB *
512KB (disable upper 128KB)
256KB (disable upper 384KB)
0KB (disable all RAM)
A Select EPROM size 27128
B
Select EPROM size 27256
A A Select EPROM pair 24A and 24B
B B Select EPROM pair 23A and 23B*
A-3