Main Circuit Board Jumpers; Memory Card Jumpers - Epson Equity III User Manual

Figure A-4 shows the locations of the seven jumpers. Refer to Table A-l
above to set them as needed.
When you finish setting the jumpers, replace the memory card in the
computer and secure it with the retaining screw.

Main Circuit Board Jumpers

The jumpers on the main circuit board control the following functions:
CPU clock. Leave this jumper in its factory setting.
l
Math coprocessor clock speed. If you or your dealer installs an 80287
l
math coprocessor, you may need to set the jumpers for a different clock
speed. The jumpers determine the speed of the coprocessor.
As it is easy to damage a math coprocessor, you should have your dealer
install it for you. In addition to checking the jumper settings, you or the
dealer should also use the diagnostics' Setup program to change the
settings in the CMOS RAM, and use the System Diagnostics program
to test the coprocessor.
A-4
Figure A-4. Memory card jumpers