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  1. nino954

    How to change COM port address

    On my computer, HP Vectra VL 5/133 series 4, with Windows 98 SE, there are 2 Serial Ports: Port A (=COM1, addres 03F8 IRQ 4) and Port B (=COM2, address 02F8 IRQ 3). I use a software - which works fine - to manage the POS (point-of-sales) and is connected to the Cash register throu port A...

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