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- MS400.3
- 5. Run a quick ohm meter test to make sure the diodes are in the
- right spot. The cathode ends of the diodes should all show
- continuity between each other. The anode ends should not!
-
- 6. Solder the 4.7K resistor between the cathode end of any diode and
- ground. There are several nearby ground lines that can be used.
- I used pin 7 of the big 25 pin RS-232 connector for the first port.
- Warning!!! The broad trace around the edge of the card
- is not ground. It is +5 volts. The ground lines will show
- continuity to pin B3 (third from the left of the edge connector).
-
- 7. That's it. You are ready for the smoke test. As you can see,
- the modifications are non-destructive. Simply unsoldering the
- diodes and the resistor will return the card to the factory state.
-
- CONTINUED IN FILE MS400.2- REQUEST FROM SERVER