From your original post:
 HP>  COM1 - addr 03F8  IRQ 4
 HP>  COM2 - addr 02F8  IRQ 3
 HP>  COM3 - addr 03E8  IRQ 3
 HP>  COM4 - addr 02E8  IRQ 4
 From your reply to Norm: 
 HP> the info on the four com ports "are the defaults" under DOS.
 HP> Those are the defaults that DOS uses unless a manual change to
 HP> the assignments are made. The data is correct as typed!
 Sorry, Herb. While the addresses you listed are correct, the IRQ
assignments are not. By default, COM1 and 3 share IRQ4 and COM2 and 4
share IRQ3.    
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 * SPEED 1.40 #1270 * Lutz Winkler - lwinkler@adnc.com
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