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QRZ! Ham Radio 8
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QRZ Ham Radio Callsign Database - Volume 8.iso
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BRBIOS.DOC
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1988-02-18
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641b
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20 lines
The BRBIOS code is the combios code with an added routine to send
the break code out the comm-port. This bios must be used if you are
going to operate in transparent mode witn the bbs code. It can be used
even if you are not going to use transparent mode, as it is downward
compatable.
BR1BIOS.COM - for the comm1: port
BR2BIOS.COM - for the comm2: port
BRBIOS.COM - for both comm1: and comm2: ports.
BR3BIOS.COM - for comm1:, comm2:, and comm3: ports.
BRQUBIOS.COM - for the QUADRAM quad port board.
PORT ADDRESS INTERUPT
COMM1: 3F8 IRQ4
COMM2: 2F8 IRQ3
COMM3: 3E8 IRQ2