Do you have anything on the back of the computer that has 9 pins and fits the plug that says PRO on it?
Yes, as mentioned above.
quote]1) On back of computer there is a port (9pin female) with a rectangle with 2 circles inside and vertical bars on ends. No idea what it means. Is this the proper location and what is it called? [/quote]
The symbol is similar to this with closure on top and bottom.
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